
Kilmarnock
- County:
- Lancaster County
- County Seat:
- No
- Area (mi²):
- 3.408
- State:
- Virginia
Kilmarnock is a town located in Lancaster County, Virginia. Kilmarnock has a 2025 population of 1,444. Kilmarnock is currently growing at a rate of 0.07% annually and its population has increased by 0.21% since the most recent census, which recorded a population of 1,441 in 2020.
The average household income in Kilmarnock is $51,930 with a poverty rate of 30.97%. The median age in Kilmarnock is 54.7 years: 44.8 years for males, and 56.9 years for females.