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 2026 population of 1,974. It is also the county seat of Keokuk County. Sigourney is currently declining at a rate of -0.75% annually and its population has decreased by -1.35% since the most recent census, which recorded a population of 2,001 in 2020.
The median household income in Sigourney is $57,813 with a poverty rate of 14.84%. The median age in Sigourney is 45.2 years: 42.1 years for males, and 54 years for females. For every 100 females there are 101.9 males.