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|EXHIBIT 32
        SECTION 906 CERTIFICATION BY DWIGHT O. SEEGMILLER
        In connection with the quarterly report of Hills Bancorporation (the Company) on Form 10-Q for the quarter ended June 30, 2006 as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Dwight O. Seegmiller, Director, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:
        1.             The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
        2.             The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

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|Date: August 7, 2006
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|SECTION 906 CERTIFICATION BY JAMES G. PRATT
        In connection with the quarterly report of Hills Bancorporation (the Company) on Form 10-Q for the quarter ended June 30, 2006 as filed with the Securities and Exchange Commission on the date hereof (the Report), I, James G. Pratt, Treasurer and Chief Accounting Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:
        1.             The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
        2.             The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

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|Date: August 7, 2006
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|Page 34 of 34
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