
Lewis
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 0.505
- State:
- Iowa
Lewis is a city located in Cass County, Iowa. Lewis has a 2025 population of 364. Lewis is currently growing at a rate of 0.28% annually and its population has increased by 1.39% since the most recent census, which recorded a population of 359 in 2020.
The average household income in Lewis is $51,005 with a poverty rate of 14.41%. The median age in Lewis is 60.5 years: 58.9 years for males, and 61.5 years for females.