| County : | Ottawa County |
| State : | Oklahoma (OK) |
| Land Area : | 470.82 sq mi |
| Water Area : | 13.79 sq mi |
| Latitude : | 36.8357635 |
| Longitude : | -94.8026814 |
| Population (2010): | 31,848 |
| Population Estimate (2012) : | 31,940 |
| Population Density : | 67.64/sq mi |
| Housing Units (2012) : | 14,060 |
| Median Household Income (2012) : | $36,280 (Oklahoma : $44,891, USA : $53,046) |
| Median Family Income (2012) : | $43,647 (Oklahoma : $56,068, USA : $64,585) |
| Median House Price (2012) : | $80,400 (Oklahoma : $110,800, USA : $181,400) |
Ottawa County Cities / Towns
| Afton Town (1,049) | Cardin Town (3) | Commerce City (2,473) |
| Dotyville (101) | Fairland Town (1,057) | Miami City (13,570) |
| Narcissa (99) | North Miami Town (374) | Peoria Town (132) |
| Picher City (20) | Quapaw Town (906) | Wyandotte Town (333) |
Ottawa County Zip Codes
| 74331 (7,258) | 74333 (1,221) | 74339 (2,606) |
| 74343 (3,100) | 74344 (14,412) | 74354 (18,126) |
| 74358 (270) | 74360 (31) | 74363 (2,892) |
| 74370 (3,537) |