Boone County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 4th-largest in Kentucky
The population of Boone County, Kentucky is 137,676 as of the 2023 American Community Survey, making it the 4th-largest county in Kentucky. The median household income is $94,752, the median home value is $253,200, and the median age is 37.7.
The population of Boone County has grown 20.7% since 2010 (119,380 → 144,135), a +1.36% annualized rate.
137,676
Population
+1.36%
Annual growth
559
People / sq mi
$94,752
Median Income
$253,200
Median Home Value
Boone County covers 246 sq mi of land at 559.0 people per square mile.
About Boone County, KY
Among US counties, Boone County stands out first on household income: a median of $94,752, above the US median of $78,538. Boone County is a county in Kentucky with a population of 137,676. It is the #4-largest of all counties in Kentucky nationally.
Earnings sit at the high end: a median household income of $94,752, above the US median of $78,538. Very few residents live in poverty — 4.2%, below the national 12.4%. The median home value is $253,200, with typical rent around $1,253.
Educational attainment is on the higher side for US counties — 35.4% of adults hold a four-year degree, near the national 35.0%. About 11.6% of workers primarily work from home, below the national 14.0%, and the average commute runs about 25 minutes each way.
Taken together, the income and housing figures place Boone County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Boone County Population History (2010-2024)
The county of Boone County had a population of 119,380 in 2010 and 144,135 in 2024, a 20.7% growth over 14 years. The peak was 144,135 in 2024. Average annual growth rate: 1.36%.
144,135
Population (2024)
119,380
Population (2010)
144,135
Peak (2024)
1.36%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 119,380 |
| 2011 | 121,742 |
| 2012 | 123,456 |
| 2013 | 125,083 |
| 2014 | 126,752 |
| 2015 | 128,270 |
| 2016 | 129,649 |
| 2017 | 131,151 |
| 2018 | 131,971 |
| 2019 | 133,670 |
| 2020 | 136,476 |
| 2021 | 137,707 |
| 2022 | 139,377 |
| 2023 | 141,511 |
| 2024 | 144,135 |
Race & Ethnicity
| White | 85.3% |
| Black or African American | 3.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
37.7
Median Age
50.1%
Female
49.9%
Male
14.5%
Age 65+
Age Distribution
Children (under 15): 21.1% · Seniors (65+): 14.5%
Income & Poverty
| Median household income | $94,752+$32,335 vs state |
| Mean household income | $116,044 |
| Per-capita income | $43,436 |
| Poverty rate | 4.2%-7.6% vs state |
| Unemployment rate | 2.0% |
| Employment-to-population | 66.7% |
Top Industries by Employment
The largest employment sector in Boone County is professional & business services, accounting for 19.6% of workers.
How residents commute
0.4%
Drive alone
0.3%
Carpool
77.7%
Public transit
11.6%
Work from home
24.7 min
Avg commute
Housing
$253,200+$60,900 vs state
Median home value
$1,253
Median rent
76.7%
Homeownership rate
52,476
Total housing units
95.9%
Occupied
4.1%
Vacant
23.3%
Renter-occupied
Social & access
94.7%
With health insurance
96.2%
With broadband internet
41.7%
Foreign-born
7.8%
Veterans (18+)
12.1%
With a disability
91.2%
Speak language other than English at home
Education
93.6%
High School+
35.4%
Bachelor's+
Largest cities in Kentucky
Other counties in Kentucky
Part of Kentucky
Metro areas in Kentucky
County rankings
Frequently Asked Questions
Boone County, Kentucky has a population of 137,676 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest county in Kentucky. Population density is 559 people per square mile.
The population of Boone County has grown 20.7% since 2010 (119,380 → 144,135), a +1.36% annualized rate.
The median household income in Boone County, Kentucky is $94,752, with mean (average) household income of $116,044 and per-capita income of $43,436. 4.2% of residents live below the federal poverty level.
In Boone County, the largest racial and ethnic groups are White (85.3%), Black or African American (3.8%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Boone County, Kentucky is 37.7 years. Residents are 50.1% female and 49.9% male.
The median home value in Boone County is $253,200 and median monthly rent is $1,253. 76.7% of occupied housing units are owner-occupied. The county has 52,476 total housing units, 4.1% of which are vacant.
The largest employment sector in Boone County, Kentucky is professional, scientific, and management services, employing 19.6% of workers. The unemployment rate is 2.0%.
Louisville/Jefferson County is among the largest cities associated with Boone County, Kentucky, with a population of 627,210.
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Statewide data for Kentucky
Population, race, income, age, and trends across Kentucky
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.