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        <issuerName>INDEPENDENCE REALTY TRUST, INC.</issuerName>
        <issuerTradingSymbol>IRT</issuerTradingSymbol>
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            <rptOwnerName>Soaries DeForest B. Jr.</rptOwnerName>
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            <rptOwnerStreet2>2 LIBERTY PL., 50 S. 16TH ST, STE. 3575</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19102</rptOwnerZipCode>
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    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Jessica K. Norman, attorney-in-fact</signatureName>
        <signatureDate>2018-05-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
