Boone County, Kentucky Cities (2025)

4 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Florence134,18032,0921.24%3,05811 City
Elsmere29,3799,1690.45%3,5693 City
Union37,9797,4511.33%2,0214 City
Walton45,8775,5041.28%1,2405 City

Boone County Cities Summary

Largest City

Florence is the largest city in Boone County, with a population of 34,180.

Smallest City

Walton is the smallest city in Boone County, with a population of 5,877.

10 Largest Cities

There are 4 cities in Boone County, Kentucky.

Location of Boone County