Louisa County, Iowa
Located in Iowa, Louisa County has a population of 10,678 residents and a median age of 41.9 years, making it the #2,440 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.8%. The median home value is $150,100, and the median household income is $77,354, which is 3% above the national median.
Demographics
Louisa County has a population of 10,678, making it the #2,440 most populous county in the US. The median age is 41.9 years, which is 7.7% 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 $77,354, ranking #706 out of 3,222 counties — 2.9% above the national median. The poverty rate is 9.8% and unemployment stands at 3.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Louisa County is $150,100 (-46.8% vs national). Renters pay a median of $775/mo and the homeownership rate is 80.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Louisa County, 16.8% of adults age 25+ hold a bachelor's degree or higher, which is 50.2% below the national average, ranking #2,532 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Louisa County is 78.7 years. 18.6% of adults report poor or fair health and 6.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.0% of adults in Louisa County smoke , 44.8% are obese , and 27.0% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 23.2 per 100,000. Motor vehicle deaths occur at a rate of 22.1 per 100,000.
Suicide Rate Trend
Families & Children
13.1% of children in Louisa County live in poverty . The teen birth rate is 13.2 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Louisa County is 66.9%. The mean commute time is 29.4 min, which is 6.6% 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 41.0%. The vote was 28.8% Dem / 69.8% Rep. Compared to 2020, the margin shifted 7.8 toward Republicans .
Vote Share Over Time
About Louisa County, Iowa
Louisa County, Iowa has a total population of 10,678, making it the 2,440th most populous county in the United States. The median age in Louisa County is 41.9 years, which is 7.7% above the national median of 38.9 years.
The median household income in Louisa County is $77,354, which ranks #706 of 3,222 counties nationwide. This is 2.9% above the national median of $75,149. The poverty rate is 9.8%, lower than the national rate of 12.6%. The unemployment rate stands at 3.0%.
The median home value in Louisa County is $150,100, 46.8% below the national median. Renters in Louisa County pay a median gross rent of $775 per month. The homeownership rate is 80.3%, compared to the national rate of 64.4%.
In Louisa County, 16.8% of residents aged 25 and older hold a bachelor's degree or higher, 50.2% below the national average of 33.7%. Health insurance coverage stands at 95.2% of the population. The average commute time for workers is 29.4 min.
Louisa County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 77.0% of the population, followed by Hispanic or Latino (16.4%) and Two or More Races (3.4%).
All data for Louisa County, Iowa 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.