Williamsburg
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 0.977
- State:
- Kansas
Williamsburg is a city located in Franklin County, Kansas. Williamsburg has a 2026 population of 385. Williamsburg is currently declining at a rate of -0.52% annually and its population has decreased by -1.03% since the most recent census, which recorded a population of 389 in 2020.
The median household income in Williamsburg is $73,125 with a poverty rate of 2.96%. The median age in Williamsburg is 39.2 years: 37.6 years for males, and 39.9 years for females. For every 100 females there are 78.0 males.