US cities with populations over 1,000 starting with OK.
| City | State | 2026 Pop. ↓ |
|---|---|---|
| Oklahoma City | Oklahoma | 727,550 |
| Okmulgee | Oklahoma | 11,421 |
| Okeechobee | Florida | 5,932 |
| Okauchee Lake | Wisconsin | 4,920 |
| Okemah | Oklahoma | 3,092 |
| Okanogan | Washington | 2,518 |
| Okolona | Mississippi | 2,371 |
| Okawville | Illinois | 1,338 |
| Okarche | Oklahoma | 1,207 |
| Okeene | Oklahoma | 1,039 |
There are 10 cities in the United States that start with OK and have a population over 1,000.
The largest US city that starts with OK is Oklahoma City, Oklahoma with a population of 727,550.