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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-12-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001251224</rptOwnerCik>
            <rptOwnerName>LEWIS  HENRY III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 5366</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TALLAHASSAS</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32314</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>2006-12-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>355</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.35</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3847.828</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 15.233 shares of common stock that were purchased in 2006 under the Company's Dividend Reinvestment Plan and were exempt from the reporting and short swing liability provisions under Section 16 pursurant to Rule 16a-11 promulgated thereunder.</footnote>
        <footnote id="F2">These shares of common stock were purchased under the Company's Director Stock Purchase Plan and were exempt from the reporting liability provisions of Section 16b-3 promulgated thereunder.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Henry Lewis III</signatureName>
        <signatureDate>2006-12-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2006-12-04
0
0000726601
CAPITAL CITY BANK GROUP INC
CCBG
0001251224
LEWIS  HENRY III
PO BOX 5366
TALLAHASSAS
FL
32314
1
0
0
0
Common Stock
2006-12-04
4
P
0
355
28.35
A
3847.828
D
Includes 15.233 shares of common stock that were purchased in 2006 under the Company's Dividend Reinvestment Plan and were exempt from the reporting and short swing liability provisions under Section 16 pursurant to Rule 16a-11 promulgated thereunder.
These shares of common stock were purchased under the Company's Director Stock Purchase Plan and were exempt from the reporting liability provisions of Section 16b-3 promulgated thereunder.
Henry Lewis III
2006-12-04