Boone County, Kentucky Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Florence134,40032,0881.12%3,07811 City
Elsmere29,5539,1650.34%3,6353 City
Union38,0337,4511.21%2,0344 City
Walton45,9395,5041.21%1,2535 City

Boone County Cities Summary

Largest City

Florence is the largest city in Boone County, with a population of 34,400.

Smallest City

Walton is the smallest city in Boone County, with a population of 5,939.

10 Largest Cities

There are 4 cities in Boone County, Kentucky.

Location of Boone County