
Williamsdale
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 0.174
- State:
- Ohio
Williamsdale is a CDP located in Butler County, Ohio. Williamsdale has a 2025 population of 945. Williamsdale is currently growing at a rate of 2.72% annually but its population has decreased by -8.16% since the most recent census, which recorded a population of 1,029 in 2020.
The average household income in Williamsdale is $87,646 with a poverty rate of 16.5%. The median age in Williamsdale is 38.3 years: 39.6 years for males, and 23 years for females.