Washington Parish, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 25th-largest in Louisiana
The population of Washington Parish, Louisiana is 45,238 as of the 2023 American Community Survey, making it the 25th-largest county in Louisiana. The median household income is $42,776, the median home value is $139,400, and the median age is 41.0.
The population of Washington Parish has declined 4.2% since 2010 (47,083 → 45,090), a -0.31% annualized rate.
45,238
Population
-0.31%
Annual growth
68
People / sq mi
$42,776
Median Income
$139,400
Median Home Value
Washington Parish covers 670 sq mi of land at 67.6 people per square mile.
About Washington Parish, LA
Educational attainment is the headline number in Washington Parish: 12.7% of adults 25 and older have a four-year degree. With 45,238 residents, Washington Parish is a county in Louisiana. It ranks #25 among counties in Louisiana by population.
Incomes are among the lowest of comparable places, with a median household income of $42,776, below the US median of $78,538. Hardship is pronounced — at 20.1%, poverty is near the top of the range for US counties, above the national 12.4%. The typical home is valued at $139,400, with typical rent around $772.
Four-year-degree attainment is near the bottom of the range for US counties, 12.7%, below the national 35.0%. Remote work is on the lower side here, at 3.9%, below the national 14.0%, and the average commute runs about 33 minutes each way.
Washington Parish Population History (2010-2024)
The county of Washington Parish had a population of 47,083 in 2010 and 45,090 in 2024, a -4.2% growth over 14 years. The peak was 47,125 in 2011. Average annual growth rate: -0.31%.
45,090
Population (2024)
47,083
Population (2010)
47,125
Peak (2011)
-0.31%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 47,083 |
| 2011 | 47,125 |
| 2012 | 46,675 |
| 2013 | 46,412 |
| 2014 | 46,320 |
| 2015 | 46,365 |
| 2016 | 46,414 |
| 2017 | 46,678 |
| 2018 | 46,601 |
| 2019 | 46,158 |
| 2020 | 45,354 |
| 2021 | 45,202 |
| 2022 | 45,002 |
| 2023 | 44,951 |
| 2024 | 45,090 |
Race & Ethnicity
| White | 65.2% |
| Black or African American | 29.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Age & Sex
41.0
Median Age
49.9%
Female
50.1%
Male
18.6%
Age 65+
Age Distribution
Children (under 15): 19.6% · Seniors (65+): 18.6%
Income & Poverty
| Median household income | $42,776$-17,247 vs state |
| Mean household income | $64,790 |
| Per-capita income | $25,520 |
| Poverty rate | 20.1%+5.9% vs state |
| Unemployment rate | 5.5% |
| Employment-to-population | 45.1% |
Top Industries by Employment
The largest employment sector in Washington Parish is professional & business services, accounting for 26.5% of workers.
How residents commute
0.4%
Drive alone
1.5%
Carpool
75.4%
Public transit
3.9%
Work from home
32.6 min
Avg commute
Housing
$139,400$-69,300 vs state
Median home value
$772
Median rent
69.4%
Homeownership rate
21,422
Total housing units
82.4%
Occupied
17.6%
Vacant
30.6%
Renter-occupied
Social & access
92.2%
With health insurance
85.5%
With broadband internet
19.0%
Foreign-born
7.1%
Veterans (18+)
23.5%
With a disability
96.5%
Speak language other than English at home
Education
84.1%
High School+
12.7%
Bachelor's+
Largest cities in Louisiana
Other counties in Louisiana
Part of Louisiana
Metro areas in Louisiana
County rankings
Frequently Asked Questions
Washington Parish, Louisiana has a population of 45,238 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 25th-largest county in Louisiana. Population density is 68 people per square mile.
The population of Washington Parish has declined 4.2% since 2010 (47,083 → 45,090), a -0.31% annualized rate.
The median household income in Washington Parish, Louisiana is $42,776, with mean (average) household income of $64,790 and per-capita income of $25,520. 20.1% of residents live below the federal poverty level.
In Washington Parish, the largest racial and ethnic groups are White (65.2%), Black or African American (29.7%), 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 Washington Parish, Louisiana is 41.0 years. Residents are 49.9% female and 50.1% male.
The median home value in Washington Parish is $139,400 and median monthly rent is $772. 69.4% of occupied housing units are owner-occupied. The county has 21,422 total housing units, 17.6% of which are vacant.
The largest employment sector in Washington Parish, Louisiana is professional, scientific, and management services, employing 26.5% of workers. The unemployment rate is 5.5%.
New Orleans is among the largest cities associated with Washington Parish, Louisiana, with a population of 376,035.
More from Louisiana
Population 452,821
Population 432,484
Population 376,035
Population 269,331
Full rankings of Louisiana counties
Statewide data for Louisiana
Population, race, income, age, and trends across Louisiana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.