Elgin
- County:
- Comanche County
- County Seat:
- No
- Area (mi²):
- 3.736
- State:
- Oklahoma
Elgin is a city located in Comanche County, Oklahoma. Elgin has a 2026 population of 3,613. Elgin is currently declining at a rate of -0.17% annually but its population has increased by 1.6% since the most recent census, which recorded a population of 3,556 in 2020.