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 a county in Louisiana with a population of 20,720. It ranks #43 among counties in Louisiana by population. The median age is 42.0, older than the national median. The population is 47.7% male and 52.3% female.
The median household income in Assumption Parish is $52,546, below the US median of $74,580. 7.7% of residents live below the federal poverty level. Home values sit at a median of $141,200, with monthly rent averaging $801. The homeownership rate of 85.5% is higher than the national rate of 64.8%.
Educational attainment in Assumption Parish reflects 13.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 2.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 31.1 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.