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 Community Planning Survey

July 31, 2019

O’Brien County’s Community Leaders are requesting that you fill out this short survey to assist them in making future decisions Read More »

O’Brien County Property Search – New!

July 6, 2018

Property Search

Increase in Acceptance Facility Fee for Passports

March 30, 2018

Beginning Monday, April 2, 2018 the acceptance facility fee for new passport applications will be $35.00.  All other application fees Read More »

Ordinance regulating the operations of Off-Highway vehicles is adopted

February 22, 2017

The O’Brien County Board of Supervisors adopted County Ordinance No. 25, an Ordinance regulating the operations of off-highway vehicles in Read More »