Assumption Parish, Louisiana Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Assumption Parish, LA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below average
-
C
Income Below averageWealthier than 73% of counties in Louisiana
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F
Education Well below averageAmong the 3 least educated counties in Louisiana
Source: Map AI Methodology
Population: density and quick facts
| Metric | Assumption Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Population | 20,480 | 4,610,276 | 337,468,954 |
| Population density (per sq mi) | 55.4 | 88.0 | 86.4 |
| Population growth (%/yr) | -1.50% | -0.10% | 0.59% |
| Median age | 42.3 | 35.9 | 37.3 |
| Households | 8,828 | 1,803,262 | 130,235,071 |
Population in Assumption Parish declined by 11.4% from 2009 to 2024, reaching 20,480 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Assumption Parish is Gen X, aged 45–60, at 22.3% of residents. That is 2.9 points above Louisiana as a whole.
- Gen Z 13–28 4,205 20.5% -0.9 pts
- Millennials 29–44 3,813 18.6% -3.2 pts
- Gen X 45–60 4,558 22.3% +2.9 pts
- Boomers 61–79 3,998 19.5% +2.4 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Louisiana, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.9% of the people living in Assumption Parish and men 48.1%.
- Women 51.9% Louisiana 51.1%
- Men 48.1% Louisiana 48.9%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Assumption Parish
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Assumption Parish has a the economy index of C, which means it is somewhat prosperous.
| Metric | Assumption Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Median household income | $52,234 | $60,934 | $80,455 |
| Income growth (%/yr) | 1.36% | 3.69% | 4.80% |
| Unemployment rate | 4.8% | 6.2% | 5.2% |
The median household income in Assumption Parish is about 14% lower than in Louisiana.
Housing
| Metric | Assumption Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Median home price | $116,945 | $170,446 | $248,835 |
| Median rent | $810 | $1,063 | $1,407 |
| Homeownership rate | 84.8% | 67.4% | 65.2% |
The median home price in Assumption Parish is about 12.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $810 per month for that long.
Commute Time & Mobility
Commuters in Assumption Parish spend about 54 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 227 hours, about 9.5 full days, spent commuting.
| Metric | Assumption Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 27.2 | 21.3 | 22.4 |
| Round-trip commute (min) | 54.5 | 42.5 | 44.8 |
| Yearly time spent (hours) | 227 | 177 | 187 |
| Estimated yearly cost | $7,034 | $5,493 | $5,790 |
| Work from home | 4.3% | 8.1% | 15.0% |
| Highway traffic (vehicles/day) | 4,764 | 8,275 | 8,813 |
| Local road traffic (vehicles/day) | 1,198 | 1,164 | 1,355 |
Fastest commutes among counties in
Louisiana:
East Carroll Parish (11.4 min), Madison Parish (13.1 min), St. Mary Parish (15.5 min).
Slowest:
West Feliciana Parish (32.8 min), East Feliciana Parish (32.8 min), St. Helena Parish (32.4 min).
The average commute time in Assumption Parish is 27 minutes, longer than the 21 minutes in Louisiana.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Assumption Parish has a education index of F, which means it scores poorly in education.
| Metric | Assumption Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 12.9% | 24.0% | 31.6% |
| Average household size | 2.30 | 2.49 | 2.53 |
Highest education index among counties in
Louisiana:
Orleans Parish (0.3), East Baton Rouge Parish (0.3), St. Tammany Parish (0.3).
Lowest:
East Carroll Parish (0.1), Assumption Parish (0.2), Evangeline Parish (0.2).
Health
Assumption Parish has a health index of C, which means it is somewhat healthy.
| Metric | Assumption Parish | Louisiana Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 76.8 | 75.1 | 78.3 |
| Self-rated poor health | 23.7% | 22.3% | 16.3% |
| Smokers | 26.1% | 23.9% | 19.0% |
Highest health index among counties in
Louisiana:
St. Tammany Parish (0.8), Ascension Parish (0.8), Vernon Parish (0.8).
Lowest:
East Carroll Parish (0.7), Madison Parish (0.7), Tensas Parish (0.7).
Assumption Parish, LA Compared With Nearby Counties
Assumption Parish, LA is the smallest of the 5 counties compared here, 20,480 residents against a local median of 49,591. Where Assumption Parish, LA breaks from the counties next to it is commute, sitting 31% above the local median of 20.8 min at 27.2 min. That is the weaker end of the local range on this measure.
Median home price tells the same story from another angle: $116,945 against a local median of $157,632, 26% below it. The counties themselves spread 12.7 min on commute, so Assumption Parish, LA sits at one end of an already wide local range rather than apart from it. Assumption Parish, LA has the 4th lowest commute of the 5 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Assumption Parish, LA | 20,480 | $52,234 #5/5 | $116,945 #4/5 | 27.2 min #4/5 |
| Ascension Parish, LA | 130,307 | $92,758 | $177,438 | 28.1 min |
| Iberville Parish, LA | 29,819 | $55,441 | $137,826 | 18.1 min |
| St. Mary Parish, LA | 47,828 | $53,303 | $213,709 | 15.5 min |
| St. Martin Parish, LA | 51,353 | $56,973 | $72,210 | 23.5 min |
Frequently Asked Questions
Common questions about Assumption Parish, Louisiana.
How many people live in Assumption Parish, Louisiana?
About 20,480 people live in Assumption Parish, Louisiana, in 8,828 households of 2.3 people on average. The median age is 42.3, so residents are older than the U.S. median of 37.3 by about 5 years.
Is Assumption Parish, Louisiana mostly urban or rural?
Averaged over its land area, Assumption Parish, Louisiana has 55 people per square mile, a density typical of rural areas. That is about 64% of the U.S. average of 86.
Can a typical household afford a home in Assumption Parish, Louisiana?
The median home costs 2.2 times the median household income ($116,945 against $52,234), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $810 a month takes about 19% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
What share of adults in Assumption Parish, Louisiana have a college degree?
12.9% of adults in Assumption Parish, Louisiana hold a bachelor's degree or higher (about 1 in 8), well below the U.S. share of 31.6%.
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