Boone County, Kentucky
Located in Kentucky, Boone County has a population of 139,841 residents and a median age of 37.7 years, making it the #478 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 6.3%. The median home value is $277,300, and the median household income is $99,414, which is 32% above the national median.
Demographics
Boone County has a population of 139,841, making it the #478 most populous county in the US. The median age is 37.7 years, which is 3.1% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Boone County is $99,414, ranking #176 out of 3,222 counties — 32.3% above the national median. The poverty rate is 6.3% and unemployment stands at 3.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Boone County is $277,300 (-1.6% vs national). Renters pay a median of $1,373/mo and the homeownership rate is 76.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Boone County, 35.7% of adults age 25+ hold a bachelor's degree or higher, which is 6.0% above the national average, ranking #441 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Boone County is 78.0 years. 18.1% of adults report poor or fair health and 4.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.3% of adults in Boone County smoke , 38.5% are obese , and 19.3% report excessive drinking. The drug overdose death rate is 37.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Boone County is 1.9 per 100,000 and the suicide rate is 13.1 per 100,000. Motor vehicle deaths occur at a rate of 7.4 per 100,000.
Homicide Rate Trend
Families & Children
8.5% of children in Boone County live in poverty and the infant mortality rate is 4.7 per 1,000 live births. The teen birth rate is 14.6 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Boone County is 71.3%. The mean commute time is 27.1 min, which is 1.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Boone County voted Republican with a margin of 37.1%. The vote was 30.6% Dem / 67.7% Rep. Compared to 2020, the margin shifted 1.4 toward Republicans .
Vote Share Over Time
About Boone County, Kentucky
Boone County, Kentucky has a total population of 139,841, making it the 478th most populous county in the United States. The median age in Boone County is 37.7 years, which is 3.1% below the national median of 38.9 years.
The median household income in Boone County is $99,414, which ranks #176 of 3,222 counties nationwide. This is 32.3% above the national median of $75,149. The poverty rate is 6.3%, lower than the national rate of 12.6%. The unemployment rate stands at 3.1%.
The median home value in Boone County is $277,300, 1.6% below the national median. Renters in Boone County pay a median gross rent of $1,373 per month. The homeownership rate is 76.3%, compared to the national rate of 64.4%.
In Boone County, 35.7% of residents aged 25 and older hold a bachelor's degree or higher, 6.0% above the national average of 33.7%. Health insurance coverage stands at 94.9% of the population. The average commute time for workers is 27.1 min.
Boone County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 82.3% of the population, followed by Hispanic or Latino (5.9%) and Black (non-Hispanic) (4.4%).
All data for Boone County, Kentucky comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.