Exhibit 32.1

Certification pursuant to

18 U.S.C. Section 1350,

as adopted pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Harvard Illinois Bancorp, Inc. (“Company”) on Form 10-Q for the period ended March 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Duffield J. Seyller III, President and Chief Executive Officer and I, Donn L. Claussen, Chief Financial Officer of the Company certify pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002:

(1) the Report fully complies with the requirements of Sections 13(a) of the Securities Exchange Act of 1934; and

(2) the information contained in the report fairly presents, in all material respects, the financial condition and results of operations of the Company.

May 12, 2010	/s/ Duffield J. Seyller III
Date	Duffield Seyller III
	President and Chief Executive Officer
May 12, 2010	/s/ Donn L. Claussen
Date	Donn L. Claussen
	Executive Vice President and Chief Financial Officer

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