<SUBMISSION>
<ACCESSION-NUMBER>0001209191-04-002281
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20040107
<FILING-DATE>20040109
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>BLODNICK MICHAEL J
<CIK>0001207271
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-18911
<FILM-NUMBER>04516911
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>49 COMMONS LOOP
<CITY>KALISPELL
<STATE>MT
<ZIP>59901
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>GLACIER BANCORP INC
<CIK>0000868671
<ASSIGNED-SIC>6022
<IRS-NUMBER>810519541
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>49 COMMONS LOOP
<STREET2>.
<CITY>KALISPELL
<STATE>MT
<ZIP>59901
<PHONE>4067564200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>49 COMMONS LOOP
<STREET2>.
<CITY>KALISPELL
<STATE>MT
<ZIP>59901
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2004-01-07</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000868671</issuerCik><issuerName>GLACIER BANCORP INC</issuerName>        <issuerTradingSymbol>GBCI</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001207271</rptOwnerCik><rptOwnerName>BLODNICK MICHAEL J</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>49 COMMONS LOOP</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>KALISPELL</rptOwnerCity><rptOwnerState>MT</rptOwnerState><rptOwnerZipCode>59901</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>President/CEO</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2004-01-07</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>7988.0000</value></transactionShares><transactionPricePerShare><value>17.0890</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>97122.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value><footnoteId id="F1" /><footnoteId id="F2" /></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Option</value></securityTitle><conversionOrExercisePrice><value>17.0890</value></conversionOrExercisePrice><transactionDate><value>2004-01-07</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>M</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>7988.0000</value></transactionShares><transactionPricePerShare><value>17.0890</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2001-01-27</value></exerciseDate><expirationDate><value>2004-01-27</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>7988.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction><derivativeHolding><securityTitle><value>Option</value></securityTitle><conversionOrExercisePrice><value>12.3950</value></conversionOrExercisePrice><exerciseDate><value>2002-01-26</value></exerciseDate><expirationDate><value>2005-01-26</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>3207.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>3207.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Option</value></securityTitle><conversionOrExercisePrice><value>12.3280</value></conversionOrExercisePrice><exerciseDate><value>2003-01-31</value></exerciseDate><expirationDate><value>2006-01-31</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>3108.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>6315.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Option</value></securityTitle><conversionOrExercisePrice><value>15.9090</value></conversionOrExercisePrice><exerciseDate><value>2003-11-20</value></exerciseDate><expirationDate><value>2006-11-20</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>5500.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11815.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Option</value></securityTitle><conversionOrExercisePrice><value>19.9000</value></conversionOrExercisePrice><exerciseDate><value>2004-01-30</value></exerciseDate><expirationDate><value>2007-01-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>2915.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>14730.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding><derivativeHolding><securityTitle><value>Option</value></securityTitle><conversionOrExercisePrice><value>22.1360</value></conversionOrExercisePrice><exerciseDate><value>2005-01-29</value></exerciseDate><expirationDate><value>2008-01-29</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common</value></underlyingSecurityTitle><underlyingSecurityShares><value>3300.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>18030.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeHolding></derivativeTable><footnotes><footnote id="F1">Includes 86,001 shares held jointly with Mr. Blodnick's wife and 11,121 shares held in Mr. Blodnick's Company profit sharing plan.</footnote><footnote id="F2">Mr. Blodnick also holds 1,760 shares as custodian for his children, 11,436 shares held in an IRA account for the benefit of Mr. Blodnick's wife, 39,530 shares owned by Mr. Blodnick's wife and 1,550 shares held in a family partnership.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Michael J. Blodnick</signatureName><signatureDate>2004-01-09</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
