-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Nkqi1ANqNrstTcnx8xTOmF/oYDFQU7gNfJg4Od+DAz0At8wUxTPs/D0htiU0LshR
 H3j2WG/qlVTmWR7oZWlDcw==

<SEC-DOCUMENT>0001231662-10-000002.txt : 20100518
<SEC-HEADER>0001231662-10-000002.hdr.sgml : 20100518
<ACCEPTANCE-DATETIME>20100518144140
ACCESSION NUMBER:		0001231662-10-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100514
FILED AS OF DATE:		20100518
DATE AS OF CHANGE:		20100518

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SERLUCO MICHAEL A
		CENTRAL INDEX KEY:			0001231662

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50961
		FILM NUMBER:		10842165

	MAIL ADDRESS:	
		STREET 1:		104 CUMBERLAND RD
		CITY:			LEMOYNE
		STATE:			PA
		ZIP:			17043

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			METRO BANCORP, INC.
		CENTRAL INDEX KEY:			0001085706
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				251834776
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3801 PAXTON STREET
		CITY:			HARRISBURG
		STATE:			PA
		ZIP:			17111
		BUSINESS PHONE:		7174126301

	MAIL ADDRESS:	
		STREET 1:		3801 PAXTON STREET
		CITY:			HARRISBURG
		STATE:			PA
		ZIP:			17111

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PENNSYLVANIA COMMERCE BANCORP INC
		DATE OF NAME CHANGE:	19990504
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-05-14</periodOfReport>

    <issuer>
        <issuerCik>0001085706</issuerCik>
        <issuerName>METRO BANCORP, INC.</issuerName>
        <issuerTradingSymbol>METR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001231662</rptOwnerCik>
            <rptOwnerName>SERLUCO MICHAEL A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>104 CUMBERLAND ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LEMOYNE</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>17043</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>2010-05-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.62</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>191445</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Michael A. Serluco</signatureName>
        <signatureDate>2010-05-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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