<SEC-DOCUMENT>0001127602-18-013395.txt : 20180402
<SEC-HEADER>0001127602-18-013395.hdr.sgml : 20180402
<ACCEPTANCE-DATETIME>20180402175807
ACCESSION NUMBER:		0001127602-18-013395
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180324
FILED AS OF DATE:		20180402
DATE AS OF CHANGE:		20180402

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Campbell Albert M III
		CENTRAL INDEX KEY:			0001421310

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12762
		FILM NUMBER:		18730607

	MAIL ADDRESS:	
		STREET 1:		6584 POPLAR AVE., STE. 300
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38138

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MID AMERICA APARTMENT COMMUNITIES INC
		CENTRAL INDEX KEY:			0000912595
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				621543819
		STATE OF INCORPORATION:			TN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6584 POPLAR AVE
		STREET 2:		STE 340
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38138
		BUSINESS PHONE:		9016826600

	MAIL ADDRESS:	
		STREET 1:		6584 POPLAR AVE
		STREET 2:		SUITE 340
		CITY:			MEMPHIS
		STATE:			TN
		ZIP:			38138
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>form4a.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2018-03-24</periodOfReport>

    <dateOfOriginalSubmission>2018-03-27</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000912595</issuerCik>
        <issuerName>MID AMERICA APARTMENT COMMUNITIES INC</issuerName>
        <issuerTradingSymbol>MAA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001421310</rptOwnerCik>
            <rptOwnerName>Campbell Albert M III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6584 POPLAR AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>MEMPHIS</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>38138-</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>EVP, Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-03-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2735</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>49903</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2832.5344</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Allocated Shares In Esop</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Ira</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Joint Tenancy</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Form 4, as originally filed, correctly reported the disposal of 1,077 shares on March 26, 2018 being withheld to cover taxes related to a vesting pursuant to shares earned and issued under a prior year restricted stock plan, but neglected to report the gross issuance of the related 2,735 shares earned and issued on the same day. The Form 4, as amended by this Form 4/A, correctly reports such information.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Leslie Wolfgang</signatureName>
        <signatureDate>2018-04-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
