
Kirby
- County:
- Bexar County
- County Seat:
- No
- Area (mi²):
- 2
- State:
- Texas
Kirby is a city located in Bexar County, Texas. Kirby has a 2025 population of 7,967. Kirby is currently declining at a rate of -0.45% annually and its population has decreased by -2.21% since the most recent census, which recorded a population of 8,147 in 2020.
The average household income in Kirby is $74,279 with a poverty rate of 9.64%. The median age in Kirby is 39.1 years: 35.7 years for males, and 46.9 years for females.