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
For O’Brien County official results link click below. Official Results 2022 Primary Click the link below for the statewide election results. Iowa Secretary of State Election Night ResultsRead More
Assistant Engineer – O’Brien County O’Brien County is taking applications for an Assistant Engineer to work out of our Primghar, Iowa office. Duties will include designing engineering plans and specifications for road and bridge construction and maintenance projects and overseeing the work of survey crews and construction projects. Salary: $65,000 – $90,000 depending on qualifications. 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