<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-04-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000726601</issuerCik>
        <issuerName>CAPITAL CITY BANK GROUP INC</issuerName>
        <issuerTradingSymbol>CCBG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001243390</rptOwnerCik>
            <rptOwnerName>COX CADER B III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>11991 RIVERVIEW ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CAMILLA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>31730</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-04-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>58</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>38.888</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13974.442</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares of common stock were purchased in 2003 under the Company's 1996 Director Stock Purchase Plan and were exempt frpm the short-swing profit liability provisions of Section 16 pursuant to Rule 16b-(3) promulgated therunder.</footnote>
        <footnote id="F2">Includes 111.564 and 61.351 shares of common stock that were purchased in 2003 and 2004, respectively under the Company's 1996 Dividend Reinvestment Plan and were exempt from the reporting and short-swing profit liability provisions of Section 16 pursuant to Rule 16a-11 promulgated thereunder.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Cader B. Cox, III</signatureName>
        <signatureDate>2004-04-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0201
4
2004-04-13
0
0000726601
CAPITAL CITY BANK GROUP INC
CCBG
0001243390
COX CADER B III
11991 RIVERVIEW ROAD
CAMILLA
GA
31730
1
0
0
0
Common Stock
2004-04-13
4
P
0
58
38.888
A
13974.442
D
These shares of common stock were purchased in 2003 under the Company's 1996 Director Stock Purchase Plan and were exempt frpm the short-swing profit liability provisions of Section 16 pursuant to Rule 16b-(3) promulgated therunder.
Includes 111.564 and 61.351 shares of common stock that were purchased in 2003 and 2004, respectively under the Company's 1996 Dividend Reinvestment Plan and were exempt from the reporting and short-swing profit liability provisions of Section 16 pursuant to Rule 16a-11 promulgated thereunder.
Cader B. Cox, III
2004-04-13