<SEC-DOCUMENT>0000019612-18-000109-index.html : 20180628
<SEC-HEADER>0000019612-18-000109.hdr.sgml : 20180628
<ACCEPTANCE-DATETIME>20180628154204
ACCESSION NUMBER:		0000019612-18-000109
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180628
DATE AS OF CHANGE:		20180628

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHEMICAL FINANCIAL CORP
		CENTRAL INDEX KEY:			0000019612
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				382022454
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08185
		FILM NUMBER:		18925277

	BUSINESS ADDRESS:	
		STREET 1:		235 E MAIN ST
		CITY:			MIDLAND
		STATE:			MI
		ZIP:			48640
		BUSINESS PHONE:		989-839-5350

	MAIL ADDRESS:	
		STREET 1:		235 E MAIN ST
		CITY:			MIDLAND
		STATE:			MI
		ZIP:			48640
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>a11-k401kplan2017.htm
<DESCRIPTION>11-K 2017 CHEMICAL 401K PLAN
<TEXT>
Document 1 - file: a11-k401kplan2017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>a11-kexhibit2312017.htm
<DESCRIPTION>EXHIBIT 23.1 CONSENT OF AHP, PLC
<TEXT>
Document 2 - file: a11-kexhibit2312017.htm

</DOCUMENT>
</SEC-DOCUMENT>