
Kirwin
- County:
- Phillips County
- County Seat:
- No
- Area (mi²):
- 0.915
- State:
- Kansas
Kirwin is a city located in Phillips County, Kansas. Kirwin has a 2025 population of 128. Kirwin is currently declining at a rate of -0.78% annually and its population has decreased by -5.19% since the most recent census, which recorded a population of 135 in 2020.
The average household income in Kirwin is $52,773 with a poverty rate of 16%. The median age in Kirwin is 35.8 years: 32.8 years for males, and 55.8 years for females.