
Sylvia
- County:
- Reno County
- County Seat:
- No
- Area (mi²):
- 0.289
- State:
- Kansas
Sylvia is a city located in Reno County, Kansas. Sylvia has a 2025 population of 209. Sylvia is currently declining at a rate of -0.48% annually and its population has decreased by -1.88% since the most recent census, which recorded a population of 213 in 2020.
The average household income in Sylvia is $67,938 with a poverty rate of 11.11%. The median age in Sylvia is 59.4 years: 60.4 years for males, and 46.7 years for females.