El Reno
- County:
- Canadian County
- County Seat:
- Yes
- Area (mi²):
- 79.584
- State:
- Oklahoma
El Reno is a city located in Canadian County, Oklahoma. El Reno has a 2026 population of 20,041. It is also the county seat of Canadian County. El Reno is currently growing at a rate of 4.07% annually and its population has increased by 16.99% since the most recent census, which recorded a population of 17,131 in 2020.