
Warsaw
- County:
- Kosciusko County
- County Seat:
- Yes
- Area (mi²):
- 13.545
- State:
- Indiana
Warsaw is a city located in Kosciusko County, Indiana. Warsaw has a 2025 population of 16,290. It is also the county seat of Kosciusko County. Warsaw is currently growing at a rate of 0.6% annually and its population has increased by 3.06% since the most recent census, which recorded a population of 15,807 in 2020.
The average household income in Warsaw is $68,952 with a poverty rate of 17.01%. The median age in Warsaw is 34.2 years: 32.9 years for males, and 35.7 years for females.