Welcome to O’Brien County
O’Brien County is uniform in shape, a perfect square, 24 miles each way. 16 townships of six square miles. Two rivers, the Little Sioux and Ocheydan. Smaller streams are Mill Creek, Waterman Creek and branches of the Floyd River. The County was named by the Iowa Legislature. It is named for an Irish Patriot, William Smith O’Brien.
Latest News & Announcements
O’Brien County is offering a beaver tail bounty for beavers taken in O’Brien County between the dates of December 10, 2019 and April 15, 2020. The beavers will be accepted at the Mill Creek Park Conservation Board Shop, 5560 460th Street, Paullina on Mondays from 8:00 – 11:00 a.m. The trapper must have a valid Read More »Read More
The O’Brien County Board of Supervisors adopted County Ordinance No. 25, an Ordinance regulating the operations of off-highway vehicles in the county. The ordinance will be effective April 1, 2017. The full ordinance is on the web page.Read More