
Elgin
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 0.678
- State:
- Iowa
Elgin is a city located in Fayette County, Iowa. Elgin has a 2025 population of 666. Elgin is currently declining at a rate of -0.6% annually and its population has decreased by -2.92% since the most recent census, which recorded a population of 686 in 2020.
The average household income in Elgin is $74,007 with a poverty rate of 4.25%. The median age in Elgin is 44.1 years: 40.5 years for males, and 46 years for females.