Welcome to O'Brien County ...
Time Zone: O'Brien County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.
The community of Primghar is the Seat for O'Brien County.
O'Brien County was founded January 15, 1851 and was created by taking area from Cherokee County.
From the Census Estimates for 2019, <1> O'Brien had a population of 13,796 people. This is a decrease of 4.18% since the last Census (which gave a population of 14,398 people in 2010).
At the time of the 2010 Census, O'Brien represented 0.47% of the total population of Iowa.
Below are some of the communities located in O'Brien County:
- Archer
(5 miles [8 km] to the west)
- Note: The GPS coordinates that we are using for Archer have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Archer
- Archer is located in O'Brien County (IA)
- Population from the 2020 Census: 123 people
- Jump to TripAdvisor's Tourism page for Archer <3>
- Calumet
(10 miles [16.1 km] to the southeast)
- Note: The GPS coordinates that we are using for Calumet have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Calumet
- Calumet is located in O'Brien County (IA)
- Population from the 2020 Census: 155 people
- Hartley
(10 miles [16.1 km] to the northeast)
- Jump to our Gazetteer entry for Hartley
- Hartley is located in O'Brien County (IA)
- Population from the 2020 Census: 1,556 people
- Paullina
(7 miles [11.3 km] to the south)
- Note: The GPS coordinates that we are using for Paullina have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Paullina
- Paullina is located in O'Brien County (IA)
- Population from the 2020 Census: 965 people
- Primghar
(Less than 2 miles to the east)
- Note: The GPS coordinates that we are using for Primghar have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Primghar
- Primghar is located in O'Brien County (IA)
- Population from the 2020 Census: 858 people
- Jump to TripAdvisor's Tourism page for Primghar <3>
- Sanborn
(6 miles [9.7 km] to the north)
- Sheldon
(12 miles [19.3 km] to the northwest)
- Note: The GPS coordinates that we are using for Sheldon have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Sheldon
- Sheldon is located in O'Brien County (IA)
- Population from the 2020 Census: 5,071 people
- Jump to TripAdvisor's Tourism page for Sheldon <3>
- Sutherland
(10 miles [16.1 km] to the southeast)
- Note: The GPS coordinates that we are using for Sutherland have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Sutherland
- Sutherland is located in O'Brien County (IA)
- Population from the 2020 Census: 588 people
- Jump to TripAdvisor's Tourism page for Sutherland <3>
Websites of Interest ...
- Websites specific to Iowa
- Websites specific to O'Brien County
- Websites for nearby counties
- Buena Vista County
- Cherokee County
- Clay County
- Dickinson County
- Lyon County
- Osceola County
- Plymouth County
- Sioux County
- Cemetery Information and Directories
Footnotes ...
| <1> | On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census. |
| <2> | The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required. |
| <3> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |