Exhibit 23.1 10K 2012

We consent to the incorporation by reference in the registration statements on Form S-3 (File Nos. 333-162783, 333-164870 and 333-186703) and Form S-8 (File No. 333-149914) of MidWestOne Financial Group, Inc. and subsidiaries of our reports dated March 7, 2013, with respect to the consolidated balance sheets of MidWestOne Financial Group, Inc. and subsidiaries as of December 31, 2012 and 2011, and the related consolidated statements of operations, comprehensive income, shareholders' equity, and cash flows for each of the years in the three-year period ended December 31, 2012, and the effectiveness of internal control over financial reporting as of December 31, 2012, which reports appear in the December 31, 2012 annual report on Form 10‑K of MidWestOne Financial Group, Inc. and subsidiaries.