
Letts
- County:
- Louisa County
- County Seat:
- No
- Area (mi²):
- 0.567
- State:
- Iowa
Letts is a city located in Louisa County, Iowa. Letts has a 2025 population of 349. Letts is currently declining at a rate of -0.57% annually and its population has decreased by -3.32% since the most recent census, which recorded a population of 361 in 2020.
The average household income in Letts is $103,272 with a poverty rate of 2.36%. The median age in Letts is 41.3 years: 41.3 years for males, and 41.3 years for females.