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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-11-002383.txt : 20110107
<SEC-HEADER>0001209191-11-002383.hdr.sgml : 20110107
<ACCEPTANCE-DATETIME>20110107120033
ACCESSION NUMBER:		0001209191-11-002383
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101231
FILED AS OF DATE:		20110107
DATE AS OF CHANGE:		20110107

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lyons Dianne M
		CENTRAL INDEX KEY:			0001451186

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34257
		FILM NUMBER:		11516369

	MAIL ADDRESS:	
		STREET 1:		118 SECOND AVENUE SE
		CITY:			CEDAR RAPIDS
		STATE:			IA
		ZIP:			52401

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED FIRE & CASUALTY CO
		CENTRAL INDEX KEY:			0000101199
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				420644327
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		118 SECOND AVE SE
		CITY:			CEDAR RAPIDS
		STATE:			IA
		ZIP:			52407
		BUSINESS PHONE:		3193995700

	MAIL ADDRESS:	
		STREET 1:		P O BOX 73909
		CITY:			CEDAR RAPIDS
		STATE:			IA
		ZIP:			52407
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000101199</issuerCik>
        <issuerName>UNITED FIRE &amp; CASUALTY CO</issuerName>
        <issuerTradingSymbol>UFCS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001451186</rptOwnerCik>
            <rptOwnerName>Lyons Dianne M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>118 SECOND AVENUE SE</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 73909</rptOwnerStreet2>
            <rptOwnerCity>CEDAR RAPIDS</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52407-3909</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP/Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-12-31</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2011-01-05</value>
                <footnoteId id="F1"/>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.822</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2692</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-04</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2011-01-07</value>
                <footnoteId id="F6"/>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F7"/>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
                <footnoteId id="F8"/>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3</value>
                    <footnoteId id="F9"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.456</value>
                    <footnoteId id="F10"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2695</value>
                    <footnoteId id="F11"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1175</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Issuer's Employee Stock Ownership Plan for self</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The deemed execution date of this transaction is based on a report of the Company's Employee Stock Purchase Plan administor and transfer agent.</footnote>
        <footnote id="F2">Shares acquired through payroll deduction and participation in Company's Employee Stock Purchase Plan.</footnote>
        <footnote id="F3">Represents the approximate number of shares acquired by the administrator of the Company's Employee Stock Purchase Plan for the reporting person, based on a statement of the administrator.</footnote>
        <footnote id="F4">The price per share is based on a statement provided by the Company's Employee Stock Purchase Plan trustee/administrator.</footnote>
        <footnote id="F5">The total number of securities beneficially held directly by the reporting person following the reported transaction includes: 2,151 shares of restricted stock issued under the Company's 2008 Stock Plan which vest, subject to certain conditions, on 05/21/2013; and 541 shares held of record by Ms. Lyons directly.</footnote>
        <footnote id="F6">The deemed execution date of this transaction is based on a report of the Company's Dividend Reinvestment Plan administor and transfer agent.</footnote>
        <footnote id="F7">Shares acquired through participation in Company's Dividend Reinvestment Plan.</footnote>
        <footnote id="F8">This transaction is exempt under Rule 16a-11 of the Securities Exchange Act of 1934 and is voluntarily reported.</footnote>
        <footnote id="F9">Represents the approximate number of shares acquired by the administrator of the Company's Dividend Reinvestment Plan for the reporting person, based on a statement of the administrator.</footnote>
        <footnote id="F10">The price per share is based on a statement provided by the Company's Dividend Reinvestment Plan administrator.</footnote>
        <footnote id="F11">The total number of securities beneficially held directly by the reporting person following the reported transaction includes: 2,151 shares of restricted stock issued under the Company's 2008 Stock Plan which vest, subject to certain conditions, on 05/21/2013; and 544 shares held of record by Ms. Lyons directly.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Dianne M. Lyons</signatureName>
        <signatureDate>2011-01-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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