
Richfield
- County:
- Lincoln County
- County Seat:
- No
- Area (mi²):
- 0.656
- State:
- Idaho
Richfield is a city located in Lincoln County, Idaho. Richfield has a 2025 population of 493. Richfield is currently growing at a rate of 2.71% annually and its population has increased by 15.46% since the most recent census, which recorded a population of 427 in 2020.
The average household income in Richfield is $67,571 with a poverty rate of 20.43%. The median age in Richfield is 35.7 years: 35.7 years for males, and 36.5 years for females.