
Cynthiana
- County:
- Harrison County
- County Seat:
- Yes
- Area (mi²):
- 4.39
- State:
- Kentucky
Cynthiana is a city located in Harrison County, Kentucky. Cynthiana has a 2025 population of 6,663. It is also the county seat of .Cynthiana is currently growing at a rate of 0.99% annually and its population has increased by 5.09% since the most recent census, which recorded a population of 6,340 in 2020.
The average household income in Cynthiana is $59,672 with a poverty rate of 26.03%. The median age in Cynthiana is 38.3 years: 35.3 years for males, and 41.7 years for females.