
Formoso
- County:
- Jewell County
- County Seat:
- No
- Area (mi²):
- 0.247
- State:
- Kansas
Formoso is a city located in Jewell County, Kansas. Formoso has a 2025 population of 88. Formoso is currently declining at a rate of -1.12% annually and its population has decreased by -4.35% since the most recent census, which recorded a population of 92 in 2020.
The average household income in Formoso is $40,222 with a poverty rate of 14.81%. The median age in Formoso is 57.5 years: 43.5 years for males, and 64.8 years for females.