Boone County, Kentucky Cities (2026)

4 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Florence134,59832,0921.22%3,09611 City
Elsmere29,4219,1690.45%3,5853 City
Union38,0857,4511.33%2,0474 City
Walton45,9525,5041.28%1,2565 City

Boone County Cities Summary

Largest City

Florence is the largest city in Boone County, with a population of 34,598.

Smallest City

Walton is the smallest city in Boone County, with a population of 5,952.

10 Largest Cities

There are 4 cities in Boone County, Kentucky.

Location of Boone County