Assumption Parish, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 43rd-largest in Louisiana
The population of Assumption Parish, Louisiana is 20,720 as of the 2023 American Community Survey, making it the 43rd-largest county in Louisiana. The median household income is $52,546, the median home value is $141,200, and the median age is 42.0.
The population of Assumption Parish has declined 14.1% since 2010 (23,332 → 20,050), a -1.08% annualized rate.
20,720
Population
-1.08%
Annual growth
60
People / sq mi
$52,546
Median Income
$141,200
Median Home Value
Assumption Parish covers 344 sq mi of land at 60.2 people per square mile.
About Assumption Parish, LA
Assumption Parish is distinguished by its share of foreign-born residents, 5.8% of the population. With 20,720 residents, Assumption Parish is a county in Louisiana. It ranks #43 among counties in Louisiana by population.
The typical household earns $52,546, below the US median of $78,538. About 7.7% of residents live below the federal poverty level, below the national 12.4%. The typical home is valued at $141,200, with typical rent around $801.
Four-year-degree attainment is near the bottom of the range for US counties, 13.7%, below the national 35.0%. Almost everyone commutes — only 2.9% work from home, below the national 14.0%, and the average commute runs about 31 minutes each way.
Assumption Parish Population History (2010-2024)
The county of Assumption Parish had a population of 23,332 in 2010 and 20,050 in 2024, a -14.1% growth over 14 years. The peak was 23,332 in 2010. Average annual growth rate: -1.07%.
20,050
Population (2024)
23,332
Population (2010)
23,332
Peak (2010)
-1.07%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 23,332 |
| 2011 | 23,186 |
| 2012 | 23,071 |
| 2013 | 23,201 |
| 2014 | 23,052 |
| 2015 | 22,902 |
| 2016 | 22,773 |
| 2017 | 22,586 |
| 2018 | 22,280 |
| 2019 | 21,921 |
| 2020 | 20,963 |
| 2021 | 20,701 |
| 2022 | 20,482 |
| 2023 | 20,223 |
| 2024 | 20,050 |
Race & Ethnicity
| White | 65.5% |
| Black or African American | 28.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
42.0
Median Age
52.3%
Female
47.7%
Male
20.2%
Age 65+
Age Distribution
Children (under 15): 17.0% · Seniors (65+): 20.2%
Income & Poverty
| Median household income | $52,546$-7,477 vs state |
| Mean household income | $76,288 |
| Per-capita income | $30,471 |
| Poverty rate | 7.7%-6.5% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 52.9% |
Top Industries by Employment
The largest employment sector in Assumption Parish is professional & business services, accounting for 23.1% of workers.
How residents commute
1.0%
Drive alone
1.9%
Carpool
85.7%
Public transit
2.9%
Work from home
31.1 min
Avg commute
Housing
$141,200$-67,500 vs state
Median home value
$801
Median rent
85.5%
Homeownership rate
10,039
Total housing units
83.9%
Occupied
16.1%
Vacant
14.5%
Renter-occupied
Social & access
91.2%
With health insurance
89.2%
With broadband internet
5.8%
Foreign-born
5.7%
Veterans (18+)
16.9%
With a disability
90.1%
Speak language other than English at home
Education
78.2%
High School+
13.7%
Bachelor's+
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Frequently Asked Questions
Assumption Parish, Louisiana has a population of 20,720 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 43rd-largest county in Louisiana. Population density is 60 people per square mile.
The population of Assumption Parish has declined 14.1% since 2010 (23,332 → 20,050), a -1.08% annualized rate.
The median household income in Assumption Parish, Louisiana is $52,546, with mean (average) household income of $76,288 and per-capita income of $30,471. 7.7% of residents live below the federal poverty level.
In Assumption Parish, the largest racial and ethnic groups are White (65.5%), Black or African American (28.6%), Hispanic or Latino (1.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Assumption Parish, Louisiana is 42.0 years. Residents are 52.3% female and 47.7% male.
The median home value in Assumption Parish is $141,200 and median monthly rent is $801. 85.5% of occupied housing units are owner-occupied. The county has 10,039 total housing units, 16.1% of which are vacant.
The largest employment sector in Assumption Parish, Louisiana is professional, scientific, and management services, employing 23.1% of workers. The unemployment rate is 2.7%.
New Orleans is among the largest cities associated with Assumption Parish, Louisiana, with a population of 376,035.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.