Assumption Parish, Louisiana Demographics 2026

Name: Assumption Parish, Louisiana Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Assumption Parish, Louisiana has a population of 20,484, the 43rd most populous county in Louisiana. The median household income is $51,423 and the median home value is $150,300. The poverty rate is 15.3%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Assumption Parish Quick Facts

Population 20,484

Median Household Income $51,423

Median Home Value $150,300

Poverty Rate 15.3%

Unemployment Rate 4.8%

Median Age 42.8 years

Homeownership Rate 84.8%

Affordability Ratio 2.9x

Bachelor's Degree+ 13.8%

High School Graduation 79.9%

Cities/Places 8

Population 20,484 43rd of 64

Median Income $51,423 15% lower than state

Poverty Rate 15.3%

Unemployment 4.8%

How Assumption Parish Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	20,720	20,484	-1.1%
Median household income	$52,546	$51,423	-2.1%
Median home value	$141,200	$150,300	+6.4%

Median Household Income

Assumption Parish

$51,423

$60,756

National

$80,734

Median Home Value

Assumption Parish

$150,300

$216,500

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 23.1%

$25K-$50K 25.2%

$50K-$100K 27.8%

$100K+ 23.9%

Detailed income brackets

Under $10K

7.8%

$10K-$15K

7.2%

$15K-$20K

3.7%

$20K-$25K

4.4%

$25K-$30K

3.3%

$30K-$35K

6.3%

$35K-$40K

4.3%

$40K-$45K

6.0%

$45K-$50K

5.3%

$50K-$60K

7.3%

$60K-$75K

9.7%

$75K-$100K

10.7%

$100K-$125K

6.0%

$125K-$150K

6.0%

$150K-$200K

6.1%

$200K+

5.7%

Employment

4.8% Unemployment Rate State: 6.3%|National: 5.2%

54.9% Labor Force Participation

Housing Overview

Owner 84.8%

Renter 15.2%

Affordability Index Very Affordable

2.9x home value to income ratio

Median gross rent $810/mo 18.9% of median household income annually

People & Demographics

Age Distribution

Under 18

20.4%

18-34

19.1%

35-54

25.2%

55-74

27.1%

75+

8.2%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 59 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Assumption Parish

City	Population	Median Income	Poverty	Home Value
Pierre Part	2,308	$60,144	18.8%	$176,000
Bayou L'Ourse	2,132	$60,219	16.7%	$87,800
Labadieville	1,408	$48,056	13.8%	$153,100
Belle Rose	1,400	$60,976	11.2%	$123,000
Paincourtville	1,008	N/A	0.5%	$86,900
Supreme	803	$29,760	33.0%	N/A
Napoleonville	511	N/A	55.0%	N/A
Bayou Corne	183	N/A	0.0%	N/A

Explore Louisiana Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Assumption Parish is located in Louisiana with a total population of 20,484. It is the 43rd most populous county out of 64 in Louisiana. The county encompasses 8 Census-designated places.

Age Demographics

The median age in Assumption Parish is 42.8 years. This is 13% higher than the state median of 38.0 years.

Economy, Income & Housing

The median household income in Assumption Parish is $51,423. This is 15% lower than the state median of $60,756. It is also 36% lower than the national median of $80,734. The poverty rate stands at 15.3%. This is 19% lower than the state poverty rate of 18.9%. The unemployment rate is 4.8%. This is 24% lower than the state rate of 6.3%. The median home value is $150,300. Housing costs are 31% lower than the state median of $216,500. With a home-value-to-income ratio of just 2.9x, Assumption Parish is one of the most affordable housing markets in the area. 84.8% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 67.4%.

Race & Ethnicity

The largest racial or ethnic group in Assumption Parish is White (non-Hispanic), making up 63.9% of the population. Black or African American residents account for 27.7%.

Education

13.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% lower than the state rate of 27.0%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 79.9%.

Data Sources & Methodology

All figures for Assumption Parish come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Louisiana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Assumption Parish, Louisiana?

Assumption Parish has a population of 20,484, making it the 43rd most populous county in Louisiana.

What is the median income in Assumption Parish?

The median household income in Assumption Parish is $51,423 with a poverty rate of 15.3%.

How many cities are in Assumption Parish, Louisiana?

Assumption Parish contains 8 Census-designated places.