How many people live in Boone County, KY?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 144,100 people living in Boone County, KY. That makes Boone County the fifth-most populous county in Kentucky. It is home to 3.1% of people living in the state.
144K
population of Boone County, KY (2024)
3.1%
County share of the Kentucky population (2024)
About 144,100 people lived in Boone County, KY in 2024.
Population estimates, 2000–2024
What are Boone County, KY’s age demographics?
About 22,500 Boone County, KY residents are aged 65 and older in 2024. That represents 15.6% of its population. For comparison, the age group represents 18.1% of Kentucky’s population and 18% in the US overall.
Another 36,000 Boone County residents, or 25% of the population, were children under 18. For comparison, the age group represents 22.4% of Kentucky’s population and 21.6% in the US overall.
A higher share of Boone County, KY's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Boone County, KY’s racial and ethnic demographics?
Non-Hispanic white residents make up 82.1% of the Boone County, KY population, higher than the national share of 57.5%. Boone County, KY also has a larger share of people identifying as non-Hispanic Native Hawaiian and other Pacific Islander (0.43%) than the US overall (0.2%).
In contrast, Boone County’s Hispanic population accounts for 6.3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 5.7% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Boone County, KY has a higher share of a non-Hispanic Asian population than Kentucky as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Boone County, KY is Florence with about 33,800 residents in 2024.
Cities and towns in Boone County, KY ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Florence | 33,763 |
| 2. | Union | 7,874 |
| 3. | Walton (pt.) | 5,442 |
| 4. | Erlanger (pt.) | |
| 5. | Balance of Boone County | 97,056 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
