Assumption Parish, Louisiana
Located in Louisiana, Assumption Parish has a population of 20,484 residents and a median age of 42.8 years, making it the #1,855 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 15.3%. The median home value is $150,300, and the median household income is $51,423, which is 32% below the national median.
Demographics
Assumption Parish has a population of 20,484, making it the #1,855 most populous county in the US. The median age is 42.8 years, which is 10.0% 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 Assumption Parish is $51,423, ranking #2,696 out of 3,222 counties — 31.6% below the national median. The poverty rate is 15.3% and unemployment stands at 4.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Assumption Parish is $150,300 (-46.7% vs national). Renters pay a median of $810/mo and the homeownership rate is 84.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Assumption Parish, 13.8% of adults age 25+ hold a bachelor's degree or higher, which is 59.0% below the national average, ranking #2,954 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Assumption Parish is 74.0 years. 25.3% of adults report poor or fair health and 9.7% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
23.5% of adults in Assumption Parish smoke , 41.2% are obese , and 19.4% report excessive drinking. The drug overdose death rate is 44.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Assumption Parish is 7.2 per 100,000 and the suicide rate is 12.8 per 100,000. Motor vehicle deaths occur at a rate of 22.3 per 100,000.
Suicide Rate Trend
Families & Children
26.7% of children in Assumption Parish live in poverty . The teen birth rate is 23.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Assumption Parish is 65.0%. The mean commute time is 32.3 min, which is 16.9% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Assumption Parish voted Republican with a margin of 35.6%. The vote was 31.6% Dem / 67.2% Rep. Compared to 2020, the margin shifted 5.0 toward Republicans .
Vote Share Over Time
About Assumption Parish, Louisiana
Assumption Parish, Louisiana has a total population of 20,484, making it the 1,855th most populous county in the United States. The median age in Assumption Parish is 42.8 years, which is 10.0% above the national median of 38.9 years.
The median household income in Assumption Parish is $51,423, which ranks #2,696 of 3,222 counties nationwide. This is 31.6% below the national median of $75,149. The poverty rate is 15.3%, higher than the national rate of 12.6%. The unemployment rate stands at 4.8%.
The median home value in Assumption Parish is $150,300, 46.7% below the national median. Renters in Assumption Parish pay a median gross rent of $810 per month. The homeownership rate is 84.8%, compared to the national rate of 64.4%.
In Assumption Parish, 13.8% of residents aged 25 and older hold a bachelor's degree or higher, 59.0% below the national average of 33.7%. Health insurance coverage stands at 91.4% of the population. The average commute time for workers is 32.3 min.
Assumption Parish is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 63.9% of the population, followed by Black (non-Hispanic) (27.7%) and Hispanic or Latino (4.3%).
All data for Assumption Parish, Louisiana 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.