FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * KOHN THOMAS W   2. Issuer Name and Ticker or Trading Symbol CHEMICAL FINANCIAL CORP [(CHFC)] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Officer of Princ. Bus. Unit (Last) (First) (Middle) 2185 THREE MILE ROAD, N.W. 3. Date of Earliest Transaction (Month/Day/Year) 12/02/2004 (Street) GRAND RAPIDS, MI 49544 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/02/2004   M   3,190 A $ 22.7222 24,824 D   Common Stock 12/02/2004   F   2,237 D $ 42.9 22,587 D   Common Stock               218,890 (2) I (1) By wife Common Stock               7,650 I (1) By wife in trust Common Stock               339.922 (3) I (1) By son Common Stock               255.152 (4) I (1) By son Common Stock               231.417 (5) I (1) By daughter

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy) (6)

$ 22.7222

12/02/2004

M

3,190

11/18/1997

11/18/2006

Common Stock

3,190

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
KOHN THOMAS W 2185 THREE MILE ROAD, N.W. GRAND RAPIDS, MI 49544				Officer of Princ. Bus. Unit

Signatures

/s/ Lori A. Gwizdala, by Power of Attorney		12/02/2004
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The reporting person disclaims any beneficial ownership of all shares owned by his wife and children. The filing of this statement shall not be construed as an admission that the reporting person is, for purposes of Section 16 of the Securities Exchange Act of 1934 or for any other purpose, the beneficial owner of the securities owned by his wife and children.
(2)	Includes 3.206 shares acquired from 4/1/2004 - 9/30/2004 through the Corporation's Chemical Invest Direct Program.
(3)	Includes 4.978 shares acquired from 4/1/2004 - 9/30/2004 through the Corporation's Chemical Invest Direct Program.
(4)	Includes 3.737 shares acquired from 4/1/2004 - 9/30/2004 through the Corporation's Chemical Invest Direct Program.
(5)	Includes 3.388 shares acquired from 4/1/2004 - 9/30/2004 through the Corporation's Chemical Invest Direct Program.
(6)	Employee stock option awarded under Chemical Financial Corporation 1987 Stock Option Plan.

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