<SUBMISSION>
<ACCESSION-NUMBER>0001239944-07-000058
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20070921
<FILING-DATE>20070924
<DATE-OF-FILING-DATE-CHANGE>20070924
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>COMMUNITY BANK SYSTEM INC
<CIK>0000723188
<ASSIGNED-SIC>6021
<IRS-NUMBER>161213679
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>5790 WIDEWATERS PKWY
<CITY>DEWITT
<STATE>NY
<ZIP>13214
<PHONE>8007242262
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>5790 WIDEWATERS PARKWAY
<CITY>DEWITT
<STATE>NY
<ZIP>13214
</MAIL-ADDRESS>
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<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>DEMPSEY WILLIAM M
<CIK>0001233243
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-13695
<FILM-NUMBER>071132387
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>3003 GULFSHORE BLVD NORTH APT# 202
<CITY>NAPLES
<STATE>FL
<ZIP>34103
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option</value>
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                <value>15.6563</value>
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                <value>2007-09-21</value>
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            <exerciseDate>
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    </derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 37.676 and 39.032 shares acquired on April 10, 2007 and July 10, 2007, respectively, under the Community Bank System, Inc. Dividend Reinvestment Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Donna J. Drengel, as attorney-in-fact, pursuant to a power of attorney</signatureName>
        <signatureDate>2007-09-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
