
Guilford Lake
- County:
- Columbiana County
- County Seat:
- No
- Area (mi²):
- 2.367
- State:
- Ohio
Guilford Lake is a CDP located in Columbiana County, Ohio. Guilford Lake has a 2025 population of 1,195. Guilford Lake is currently growing at a rate of 7.17% annually and its population has increased by 15.79% since the most recent census, which recorded a population of 1,032 in 2020.
The average household income in Guilford Lake is $115,122 with a poverty rate of 6.13%. The median age in Guilford Lake is 57.4 years: 57.8 years for males, and 55.7 years for females.