O'Brien County
County in Iowa
O'Brien County is a county in the U.S. state of Iowa. As of the 2020 United States Census, the population was 14,182. The county seat is Primghar. Wikipedia
Cities: Primghar, Paullina, Sutherland, and more
County seat: Primghar
Area: 573 mi²
Population: 14,060 (2022)
Congressional district: 4th
Largest city: Sheldon
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