<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-06-27</periodOfReport>
    <issuer>
        <issuerCik>0001100983</issuerCik>
        <issuerName>PEOPLES COMMUNITY BANCORP INC /MD/</issuerName>
        <issuerTradingSymbol>PCBI</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001051998</rptOwnerCik>
            <rptOwnerName>NOE THOMAS J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>EVP and Treasurer</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-06-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1"/></transactionCoding><transactionAmounts><transactionShares><value>659</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>85999</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><derivativeSecurity><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>23.22</value></conversionOrExercisePrice><transactionDate><value>2003-06-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>1532</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-06-27</value><footnoteId id="F3"/></exerciseDate><expirationDate><value>2013-06-27</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1532</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1532</value><footnoteId id="F4"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">Represents the grant of 659 shares pursuant to the Recognition and Retention Plan that vest at 20% per year commencing on the first anniversary of the date of grant.</footnote><footnote id="F2">The reporting person also indirectly beneficially owns 54,395 shares of the issuer's common stock in his individual retirement account, 7,000 shares held by his wife and 2,925 shares allocated to his account in the ESOP.</footnote><footnote id="F3">One-fifth of the options vest every year with the initial vesting period commencing on June 27, 2004.</footnote><footnote id="F4">The reporting person also directly beneficially owns 1,978 and 2,339 stock options that have an exercise price of $20.25 and $14.00, respectively, and vest in five equal annual installments beginning on June 28, 2003 and June 28, 2002, respectively.</footnote></footnotes><ownerSignature><signatureName>Thomas J. Noe EVP</signatureName><signatureDate>2003-06-30</signatureDate></ownerSignature></ownershipDocument>

