Farnhamville
- County:
- Calhoun County
- County Seat:
- No
- Area (mi²):
- 0.659
- State:
- Iowa
Farnhamville is a city located in Calhoun County, Iowa. Farnhamville has a 2026 population of 364. Farnhamville is currently declining at a rate of -1.89% annually and its population has decreased by -4.21% since the most recent census, which recorded a population of 380 in 2020.
The median household income in Farnhamville is $57,188 with a poverty rate of 16.22%. The median age in Farnhamville is 40 years: 42.6 years for males, and 33.4 years for females. For every 100 females there are 115.6 males.