    <SEC-DOCUMENT>0001025835-18-000008-index.html : 20180122
    <SEC-HEADER>0001025835-18-000008.hdr.sgml : 20180122
    <ACCEPTANCE-DATETIME>20180122172520
    ACCESSION NUMBER:		0001025835-18-000008
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		28
    CONFORMED PERIOD OF REPORT:	20180122
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180122
    DATE AS OF CHANGE:		20180122

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ENTERPRISE FINANCIAL SERVICES CORP
    		CENTRAL INDEX KEY:			0001025835
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		IRS NUMBER:				431706259
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-15373
    		FILM NUMBER:		18540601

    	BUSINESS ADDRESS:
    		STREET 1:		150 NORTH MERAMEC
    		STREET 2:		150 NORTH MERAMEC
    		CITY:			CLAYTON
    		STATE:			MO
    		ZIP:			63105
    		BUSINESS PHONE:		3147255500

    	MAIL ADDRESS:
    		STREET 1:		150 NORTH MERAMEC
    		STREET 2:		150 NORTH MERAMEC
    		CITY:			CLAYTON
    		STATE:			MO
    		ZIP:			63105

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ENTERBANK HOLDINGS INC
    		DATE OF NAME CHANGE:	19961024
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a8kearningsrelease123117.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: a8kearningsrelease123117.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>ex991financialstatementsan.htm
    <DESCRIPTION>EARNINGS RELEASE
    <TEXT>
    Document 2 - file: ex991financialstatementsan.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q42017efscearningsrelb03.htm
    <DESCRIPTION>WEBCAST SLIDES
    <TEXT>
    Document 3 - file: q42017efscearningsrelb03.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>enterprisefinancial.jpg
    <TEXT>
    Document 4 - file: enterprisefinancial.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>q42017efscearningsrelb03001.jpg
    <TEXT>
    Document 5 - file: q42017efscearningsrelb03001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>q42017efscearningsrelb03002.jpg
    <TEXT>
    Document 6 - file: q42017efscearningsrelb03002.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>q42017efscearningsrelb03003.jpg
    <TEXT>
    Document 7 - file: q42017efscearningsrelb03003.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>q42017efscearningsrelb03004.jpg
    <TEXT>
    Document 8 - file: q42017efscearningsrelb03004.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>q42017efscearningsrelb03005.jpg
    <TEXT>
    Document 9 - file: q42017efscearningsrelb03005.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>q42017efscearningsrelb03006.jpg
    <TEXT>
    Document 10 - file: q42017efscearningsrelb03006.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>q42017efscearningsrelb03007.jpg
    <TEXT>
    Document 11 - file: q42017efscearningsrelb03007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>q42017efscearningsrelb03008.jpg
    <TEXT>
    Document 12 - file: q42017efscearningsrelb03008.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>q42017efscearningsrelb03009.jpg
    <TEXT>
    Document 13 - file: q42017efscearningsrelb03009.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>q42017efscearningsrelb03010.jpg
    <TEXT>
    Document 14 - file: q42017efscearningsrelb03010.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>q42017efscearningsrelb03011.jpg
    <TEXT>
    Document 15 - file: q42017efscearningsrelb03011.jpg

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    <SEQUENCE>16
    <FILENAME>q42017efscearningsrelb03012.jpg
    <TEXT>
    Document 16 - file: q42017efscearningsrelb03012.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>q42017efscearningsrelb03013.jpg
    <TEXT>
    Document 17 - file: q42017efscearningsrelb03013.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>q42017efscearningsrelb03014.jpg
    <TEXT>
    Document 18 - file: q42017efscearningsrelb03014.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>q42017efscearningsrelb03015.jpg
    <TEXT>
    Document 19 - file: q42017efscearningsrelb03015.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>q42017efscearningsrelb03016.jpg
    <TEXT>
    Document 20 - file: q42017efscearningsrelb03016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>q42017efscearningsrelb03017.jpg
    <TEXT>
    Document 21 - file: q42017efscearningsrelb03017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>q42017efscearningsrelb03018.jpg
    <TEXT>
    Document 22 - file: q42017efscearningsrelb03018.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>q42017efscearningsrelb03019.jpg
    <TEXT>
    Document 23 - file: q42017efscearningsrelb03019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>q42017efscearningsrelb03020.jpg
    <TEXT>
    Document 24 - file: q42017efscearningsrelb03020.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>q42017efscearningsrelb03021.jpg
    <TEXT>
    Document 25 - file: q42017efscearningsrelb03021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>q42017efscearningsrelb03022.jpg
    <TEXT>
    Document 26 - file: q42017efscearningsrelb03022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>q42017efscearningsrelb03023.jpg
    <TEXT>
    Document 27 - file: q42017efscearningsrelb03023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>q42017efscearningsrelb03024.jpg
    <TEXT>
    Document 28 - file: q42017efscearningsrelb03024.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>