O'Brien County
| Use attributes for filter ! | |
| Founded | 1851 |
|---|---|
| Area | 1484 |
| County seat | Primghar |
| Population | 13,801 (2017) |
| Cities | Primghar |
| Paullina | |
| Hartley | |
| Sanborn | |
| Calumet | |
| Sutherland | |
| Archer | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2278701 |
About O'Brien County
O'Brien County is a county located in the U. S. state of Iowa. As of the 2010 census, the population was 14,398. The county seat is Primghar.
