
Sigourney
- County:
- Keokuk County
- County Seat:
- Yes
- Area (mi²):
- 2.163
- State:
- Iowa
Sigourney is a city located in Keokuk County, Iowa. Sigourney has a 2025 population of 1,975. It is also the county seat of Keokuk County. Sigourney is currently declining at a rate of -0.25% annually and its population has decreased by -1.25% since the most recent census, which recorded a population of 2,000 in 2020.
The average household income in Sigourney is $72,966 with a poverty rate of 14.9%. The median age in Sigourney is 50.8 years: 42.5 years for males, and 57.5 years for females.