McClain County, Oklahoma
McClain County | |
|---|---|
Location within the U.S. state of Oklahoma | |
Oklahoma's location within the U.S. | |
| Coordinates: 35°00′N 97°26′W / 35°N 97.44°W | |
| Country | United States |
| State | Oklahoma |
| Founded | 1907 |
| Seat | Purcell |
| Largest city | Newcastle |
| Area | |
• Total | 580 sq mi (1,500 km2) |
| • Land | 571 sq mi (1,480 km2) |
| • Water | 9.6 sq mi (25 km2) 1.6% |
| Population (2020) | |
• Total | 41,662 |
| • Density | 72/sq mi (28/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | 4th |
| Website | mcclain-co-ok |
McClain County is a county located in south central Oklahoma. As of the 2020 census, the population was 41,662. Its county seat is Purcell. The county was named for Charles M. McClain, an Oklahoma constitutional convention attendee.
McClain County is part of the Oklahoma City, OK metropolitan statistical area.