Geneva
- County:
- Allen County
- County Seat:
- No
- Area (mi²):
- 29.795
- State:
- Kansas
Geneva is located in Allen County, Kansas. Geneva has a 2025 population of 139 . Geneva is currently growing at a rate of 1.46% annually and its population has increased by 2.21% since the most recent census, which recorded a population of 136 in 2020.
The median age in Geneva is 40 years: 38.4 years for males, and 40.7 years for females. For every 100 females there are 136.6 males.