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
Washington Parish is a county in Louisiana with a population of 45,238. It ranks #25 among counties in Louisiana by population. The median age is 41.0, older than the national median. The population is 50.1% male and 49.9% female.
The median household income in Washington Parish is $42,776, below the US median of $74,580. 20.1% of residents live below the federal poverty level. Home values sit at a median of $139,400, with monthly rent averaging $772. The homeownership rate of 69.4% is higher than the national rate of 64.8%.
Educational attainment in Washington Parish reflects 12.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 3.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 32.6 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+
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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.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.