Louisa County, Virginia
Located in Virginia, Louisa County has a population of 39,980 residents and a median age of 44.8 years, making it the #1,205 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.0%. The median home value is $315,300, and the median household income is $86,689, which is 15% above the national median.
Demographics
Louisa County has a population of 39,980, making it the #1,205 most populous county in the US. The median age is 44.8 years, which is 15.2% above 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 Louisa County is $86,689, ranking #383 out of 3,222 counties — 15.4% above the national median. The poverty rate is 10.0% and unemployment stands at 5.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Louisa County is $315,300 (+11.8% vs national). Renters pay a median of $1,220/mo and the homeownership rate is 82.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Louisa County, 29.7% of adults age 25+ hold a bachelor's degree or higher, which is 12.0% below the national average, ranking #789 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Louisa County is 75.9 years. 16.1% of adults report poor or fair health and 8.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.1% of adults in Louisa County smoke , 38.9% are obese , and 20.8% report excessive drinking. The drug overdose death rate is 35.0 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Louisa County is 5.3 per 100,000 and the suicide rate is 18.6 per 100,000. Motor vehicle deaths occur at a rate of 25.9 per 100,000.
Homicide Rate Trend
Families & Children
13.2% of children in Louisa County live in poverty . The teen birth rate is 14.7 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Louisa County is 76.5%. The mean commute time is 39.0 min, which is 41.4% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Louisa County voted Republican with a margin of 26.2%. The vote was 36.5% Dem / 62.7% Rep. Compared to 2020, the margin shifted 3.2 toward Republicans .
Vote Share Over Time
About Louisa County, Virginia
Louisa County, Virginia has a total population of 39,980, making it the 1,205th most populous county in the United States. The median age in Louisa County is 44.8 years, which is 15.2% above the national median of 38.9 years.
The median household income in Louisa County is $86,689, which ranks #383 of 3,222 counties nationwide. This is 15.4% above the national median of $75,149. The poverty rate is 10.0%, lower than the national rate of 12.6%. The unemployment rate stands at 5.8%.
The median home value in Louisa County is $315,300, 11.8% above the national median. Renters in Louisa County pay a median gross rent of $1,220 per month. The homeownership rate is 82.2%, compared to the national rate of 64.4%.
In Louisa County, 29.7% of residents aged 25 and older hold a bachelor's degree or higher, 12.0% below the national average of 33.7%. Health insurance coverage stands at 94.6% of the population. The average commute time for workers is 39.0 min.
Louisa County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 76.1% of the population, followed by Black (non-Hispanic) (11.5%) and Two or More Races (6.4%).
All data for Louisa County, Virginia 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.