
Norwalk
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 11.649
- State:
- Iowa
Norwalk is a city located in Warren County, Iowa. Norwalk has a 2025 population of 16,175. Norwalk is currently growing at a rate of 4.19% annually and its population has increased by 25.2% since the most recent census, which recorded a population of 12,919 in 2020.
The average household income in Norwalk is $120,920 with a poverty rate of 3.16%. The median age in Norwalk is 36.5 years: 35.5 years for males, and 37.6 years for females.