O'Brien County
Sign in to saveAlso known as O'Brien County, Iowa, O'Brien County, IA
county in Iowa, United States
Key facts
- Country
- United States
- State
- Iowa
- Founded
- January 15, 1851
- Named after
- William Smith O'Brien
- Seat
- Primghar
- Largest city
- Sheldon
- Total
- 573 sq mi (1,480 km )
- Land
- 573 sq mi (1,480 km )
- Water
- 0.2 sq mi (0.52 km ) 0.03%
- Estimate 2025
- 14,220
- Density
- 24.8/sq mi (9.56/km )
- Time zone
- UTC−6 ( Central )
- Summer dst
- UTC−5 ( CDT )
- Congressional district
- 4th
- Website
- obriencounty .iowa .gov
via Wikipedia infobox
Wikidata facts
- Named after
- William Smith O'Brien
- Country
- United States
- Located in
- Iowa
- Contains
- Primghar
- Capital
- Primghar
- Population
- 14182
- Area
- 1485
- Elevation
- 464
- Shares border with
- Clay County
- Official website
- www.obriencounty.com
- Image
- Indian Village Site Witrock Area.jpg
- Households
- 5976
Show 7 more facts
- Commons category
- O'Brien County, Iowa
- topic's main category
- Category:O'Brien County, Iowa
- inception
- 1851-00-00
- water as percent of area
- 0.03
- native label
- O'Brien County
- per capita income
- 31149
- category of associated people
- Category:People from O'Brien County, Iowa
Sources (9)
via Wikidata · CC0
~8 min read
Encyclopedic overview
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.
History
Excerpted from Wikipedia’s “O'Brien County” article, available under the CC BY-SA 4.0 licence.