
Ainsworth
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 0.369
- State:
- Iowa
Ainsworth is a city located in Washington County, Iowa. Ainsworth has a 2025 population of 516. Ainsworth is currently growing at a rate of 0.39% annually and its population has increased by 1.57% since the most recent census, which recorded a population of 508 in 2020.
The average household income in Ainsworth is $86,035 with a poverty rate of 1.94%. The median age in Ainsworth is 33.6 years: 29.8 years for males, and 35.6 years for females.