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  <xsd:element name="PennsylvaniaSharesTax1" id="cznc_PennsylvaniaSharesTax1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PoliticalSubdivisionsMember" id="cznc_PoliticalSubdivisionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PurchasedCreditImpairedLoansTableTextBlock" id="cznc_PurchasedCreditImpairedLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RedemptionOfFederalHomeLoanBankStock" id="cznc_RedemptionOfFederalHomeLoanBankStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfAdditionalInformationOnImpairedLoansTableTextBlock" id="cznc_ScheduleOfAdditionalInformationOnImpairedLoansTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfMortgageLoansInProcessOfForeclosureTableTextBlock" id="cznc_ScheduleOfMortgageLoansInProcessOfForeclosureTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRealEstateAcquiredThroughForeclosureTableTextBlock" id="cznc_ScheduleOfRealEstateAcquiredThroughForeclosureTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ServicingRightsAssetsMember" id="cznc_ServicingRightsAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StockBasedCompensationAndOtherExpenses" id="cznc_StockBasedCompensationAndOtherExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="StockIncentivePlanMember" id="cznc_StockIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TimeDepositsMember" id="cznc_TimeDepositsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TrustAndAssetManagementMember" id="cznc_TrustAndAssetManagementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WeightedAveragePSA" id="cznc_WeightedAveragePSA" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ComprehensiveIncomeAbstract" id="cznc_ComprehensiveIncomeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InterestOnLoansToPoliticalSubdivisions" id="cznc_InterestOnLoansToPoliticalSubdivisions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AmortizationOfNetTransitionObligationPriorServiceCostAndNetActuarialLoss" id="cznc_AmortizationOfNetTransitionObligationPriorServiceCostAndNetActuarialLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ImpairedFinancingReceivableByPortfolioSegmentTableTextBlock" id="cznc_ImpairedFinancingReceivableByPortfolioSegmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SmallBusinessAdministrationPaycheckProtectionProgramLoansCaresActMember" id="cznc_SmallBusinessAdministrationPaycheckProtectionProgramLoansCaresActMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ImpairedFinancingReceivableNoRelatedAllowance" id="cznc_ImpairedFinancingReceivableNoRelatedAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="MultiFamilyFiveOrMoreResidentialMember" id="cznc_MultiFamilyFiveOrMoreResidentialMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeesMember" id="cznc_EmployeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaycheckProtectionProgramMember" id="cznc_PaycheckProtectionProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalConservationBufferRangeAxis" id="cznc_CapitalConservationBufferRangeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalConservationBufferRangeDomain" id="cznc_CapitalConservationBufferRangeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccruedPurchaseOfAvailableForSaleDebtSecurities" id="cznc_AccruedPurchaseOfAvailableForSaleDebtSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfMutualFund" id="cznc_NumberOfMutualFund" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAverageGrantDateFairValue" id="cznc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAverageGrantDateFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfSubordinatedDebtTableTextBlock" id="cznc_ScheduleOfSubordinatedDebtTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SixPointFiveZeroPercentSubordinateDebtMaturingInApril2027AndRedeemableAtParInApril2022Member" id="cznc_SixPointFiveZeroPercentSubordinateDebtMaturingInApril2027AndRedeemableAtParInApril2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommercialLoanWithSpecificAllowanceMember" id="cznc_CommercialLoanWithSpecificAllowanceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ServicingFeesPercentOfLoanBalances" id="cznc_ServicingFeesPercentOfLoanBalances" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="U.s.TreasuryDebtSecuritiesMember" id="cznc_U.s.TreasuryDebtSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtSecuritiesAvailableForSaleUnrealizedLossPositionLineItems" id="cznc_DebtSecuritiesAvailableForSaleUnrealizedLossPositionLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueLineItems" id="cznc_EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubordinatedDebtFairValue" id="cznc_SubordinatedDebtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ObligationsOfStatesAndPoliticalSubdivisionsTaxExemptMember" id="cznc_ObligationsOfStatesAndPoliticalSubdivisionsTaxExemptMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ObligationsOfStatesAndPoliticalSubdivisionsTaxableMember" id="cznc_ObligationsOfStatesAndPoliticalSubdivisionsTaxableMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ResidentialPassthroughSecuritiesMember" id="cznc_ResidentialPassthroughSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ResidentialCollateralizedMortgageObligationsMember" id="cznc_ResidentialCollateralizedMortgageObligationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ImpairedLoansMember" id="cznc_ImpairedLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ForeclosedAssetsHeldForSaleMember" id="cznc_ForeclosedAssetsHeldForSaleMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommercialRealEstateReceivablesMember" id="cznc_CommercialRealEstateReceivablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TroubledDebtRestructuringMember" id="cznc_TroubledDebtRestructuringMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommercialConstructionAndLandMember" id="cznc_CommercialConstructionAndLandMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ServicingFeesPercentOfLatePayments" id="cznc_ServicingFeesPercentOfLatePayments" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ServicingRightsPercentOfLateFeesAssessed" id="cznc_ServicingRightsPercentOfLateFeesAssessed" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MiscellaneousFeesPerAccountPerMonth1" id="cznc_MiscellaneousFeesPerAccountPerMonth1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="MonthlyServicingCostPerAccountPerMonth1" id="cznc_MonthlyServicingCostPerAccountPerMonth1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PercentOfLoansMoreThan30DaysDelinquent" id="cznc_PercentOfLoansMoreThan30DaysDelinquent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="AnnualIncreaseInServicingCosts" id="cznc_AnnualIncreaseInServicingCosts" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PaycheckProtectionProgramFirstDrawMember" id="cznc_PaycheckProtectionProgramFirstDrawMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaycheckProtectionProgramSecondDrawMember" id="cznc_PaycheckProtectionProgramSecondDrawMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OneToFourFamilyResidentialConstructionMember" id="cznc_OneToFourFamilyResidentialConstructionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThreePointTwoFivePercentSubordinatedDebtMaturingInJune2031AndRedeemableAtParInJune2026Member" id="cznc_ThreePointTwoFivePercentSubordinatedDebtMaturingInJune2031AndRedeemableAtParInJune2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InterestExpenseSeniorNotes" id="cznc_InterestExpenseSeniorNotes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfSeniorNotesTableTextBlock" id="cznc_ScheduleOfSeniorNotesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInProvisionForLoanLosses" id="cznc_IncreaseDecreaseInProvisionForLoanLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInProvisionForLoanLossesNetChargeRelatedToSpecificLoans" id="cznc_IncreaseDecreaseInProvisionForLoanLossesNetChargeRelatedToSpecificLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInProvisionForLoanLossesNetChargeOffs" id="cznc_IncreaseDecreaseInProvisionForLoanLossesNetChargeOffs" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInProvisionForLoanLossesFromCollectivelyDeterminedPortionOfAllowance" id="cznc_IncreaseDecreaseInProvisionForLoanLossesFromCollectivelyDeterminedPortionOfAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInProvisionForLoanLossesFromUnallocatedPortionOfAllowance" id="cznc_IncreaseDecreaseInProvisionForLoanLossesFromUnallocatedPortionOfAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RestrictedStockPurchasedForTaxWithholding" id="cznc_RestrictedStockPurchasedForTaxWithholding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="RestrictedStockPurchasedForTaxWithholdingShares" id="cznc_RestrictedStockPurchasedForTaxWithholdingShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReducedMonthlyPaymentsForFifteenMonthPeriodMember" id="cznc_ReducedMonthlyPaymentsForFifteenMonthPeriodMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReducedMonthlyPaymentsForEighteenMonthPeriodMember" id="cznc_ReducedMonthlyPaymentsForEighteenMonthPeriodMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForRepurchaseOfTreasuryStock" id="cznc_PaymentsForRepurchaseOfTreasuryStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ProvisionForLoanLossesNetIncreaseDecreaseInSpecificAllowanceOnLoans" id="cznc_ProvisionForLoanLossesNetIncreaseDecreaseInSpecificAllowanceOnLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LoanCustomerMajorWriteOffMember" id="cznc_LoanCustomerMajorWriteOffMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancialAssetCurrentAnd1To29DaysPastDueMember" id="cznc_FinancialAssetCurrentAnd1To29DaysPastDueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BankHoldingCompanyDebtSecuritiesMember" id="cznc_BankHoldingCompanyDebtSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeFromRepaymentsOfPciLoansInExcessOfCarryingAmounts" id="cznc_IncomeFromRepaymentsOfPciLoansInExcessOfCarryingAmounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ConstructionAndOtherLandLoansMember" id="cznc_ConstructionAndOtherLandLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossPercent" id="cznc_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="FederalHomeLoanBankBorrowingsLoanMaturingIn2022WithRateOf0.61Member" id="cznc_FederalHomeLoanBankBorrowingsLoanMaturingIn2022WithRateOf0.61Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FederalHomeLoanBankBorrowingsLoanMaturingIn2023WithRateOf1.35Member" id="cznc_FederalHomeLoanBankBorrowingsLoanMaturingIn2023WithRateOf1.35Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FederalHomeLoanBankBorrowingsLoanMaturingIn2024WithRateOf2.76Member" id="cznc_FederalHomeLoanBankBorrowingsLoanMaturingIn2024WithRateOf2.76Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SixPointFiveZeroPercentSubordinateDebtMaturingInJuly2027AndRedeemableAtParInJune2022Member" id="cznc_SixPointFiveZeroPercentSubordinateDebtMaturingInJuly2027AndRedeemableAtParInJune2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProceedsFromMaturitiesOfCertificatesOfDeposit" id="cznc_ProceedsFromMaturitiesOfCertificatesOfDeposit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment2" id="cznc_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment2" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment1" id="cznc_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FinancingReceivableIndividuallyEvaluatedForImpairment1" id="cznc_FinancingReceivableIndividuallyEvaluatedForImpairment1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FinancingReceivableCollectivelyEvaluatedForImpairment1" id="cznc_FinancingReceivableCollectivelyEvaluatedForImpairment1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance1" id="cznc_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedFinancingReceivableAverageRecordedInvestment1" id="cznc_ImpairedFinancingReceivableAverageRecordedInvestment1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedFinancingReceivableRecordedInvestment1" id="cznc_ImpairedFinancingReceivableRecordedInvestment1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedFinancingReceivableRelatedAllowance1" id="cznc_ImpairedFinancingReceivableRelatedAllowance1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment1" id="cznc_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedFinancingReceivableUnpaidPrincipalBalance1" id="cznc_ImpairedFinancingReceivableUnpaidPrincipalBalance1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment1" id="cznc_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedFinancingReceivableInterestIncomeCashBasisMethod1" id="cznc_ImpairedFinancingReceivableInterestIncomeCashBasisMethod1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance1" id="cznc_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ImpairedFinancingReceivables1TableTextBlock" id="cznc_ImpairedFinancingReceivables1TableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriod1TableTextBlock" id="cznc_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriod1TableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PrivateLabelCommercialMortgageBackedSecuritiesMember" id="cznc_PrivateLabelCommercialMortgageBackedSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProvisionForLoanLossesInSpecificAllowanceOnLoans" id="cznc_ProvisionForLoanLossesInSpecificAllowanceOnLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
</xsd:schema>
