St. James Parish, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 46th-largest in Louisiana
The population of St. James Parish, Louisiana is 19,797 as of the 2023 American Community Survey, making it the 46th-largest county in Louisiana. The median household income is $64,536, the median home value is $197,800, and the median age is 40.8.
The population of St. James Parish has declined 13.3% since 2010 (22,051 → 19,110), a -1.02% annualized rate.
19,797
Population
-1.02%
Annual growth
83
People / sq mi
$64,536
Median Income
$197,800
Median Home Value
St. James Parish covers 238 sq mi of land at 83.2 people per square mile.
About St. James Parish, LA
St. James Parish is distinguished by its share of foreign-born residents, 4.7% of the population. With 19,797 residents, St. James Parish is a county in Louisiana. It ranks #46 among counties in Louisiana by population.
The typical household here earns about $64,536, below the US median of $78,538. Poverty is relatively low for US counties at 7.0%, below the national 12.4%. Homes carry a median value of $197,800, with typical rent around $821.
Roughly 20.2% of adults have a bachelor’s, below the national 35.0%. About 6.3% of the workforce is home-based, below the national 14.0%, and the average commute runs about 28 minutes each way.
St. James Parish Population History (2010-2024)
The county of St. James Parish had a population of 22,051 in 2010 and 19,110 in 2024, a -13.3% growth over 14 years. The peak was 22,051 in 2010. Average annual growth rate: -1.01%.
19,110
Population (2024)
22,051
Population (2010)
22,051
Peak (2010)
-1.01%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 22,051 |
| 2011 | 21,787 |
| 2012 | 21,638 |
| 2013 | 21,609 |
| 2014 | 21,518 |
| 2015 | 21,483 |
| 2016 | 21,428 |
| 2017 | 21,377 |
| 2018 | 21,131 |
| 2019 | 21,045 |
| 2020 | 20,119 |
| 2021 | 19,796 |
| 2022 | 19,397 |
| 2023 | 19,218 |
| 2024 | 19,110 |
Race & Ethnicity
| White | 49.7% |
| Black or African American | 48.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Age & Sex
40.8
Median Age
51.8%
Female
48.2%
Male
19.0%
Age 65+
Age Distribution
Children (under 15): 18.0% · Seniors (65+): 19.0%
Income & Poverty
| Median household income | $64,536+$4,513 vs state |
| Mean household income | $90,475 |
| Per-capita income | $35,832 |
| Poverty rate | 7.0%-7.2% vs state |
| Unemployment rate | 3.2% |
| Employment-to-population | 55.5% |
Top Industries by Employment
The largest employment sector in St. James Parish is manufacturing, accounting for 22.3% of workers.
How residents commute
0.3%
Drive alone
1.3%
Carpool
84.1%
Public transit
6.3%
Work from home
27.9 min
Avg commute
Housing
$197,800$-10,900 vs state
Median home value
$821
Median rent
85.5%
Homeownership rate
8,651
Total housing units
86.0%
Occupied
14.0%
Vacant
14.5%
Renter-occupied
Social & access
93.3%
With health insurance
88.0%
With broadband internet
4.7%
Foreign-born
3.2%
Veterans (18+)
12.1%
With a disability
97.6%
Speak language other than English at home
Education
88.6%
High School+
20.2%
Bachelor's+
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County rankings
Frequently Asked Questions
St. James Parish, Louisiana has a population of 19,797 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 46th-largest county in Louisiana. Population density is 83 people per square mile.
The population of St. James Parish has declined 13.3% since 2010 (22,051 → 19,110), a -1.02% annualized rate.
The median household income in St. James Parish, Louisiana is $64,536, with mean (average) household income of $90,475 and per-capita income of $35,832. 7.0% of residents live below the federal poverty level.
In St. James Parish, the largest racial and ethnic groups are White (49.7%), Black or African American (48.4%), Hispanic or Latino (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in St. James Parish, Louisiana is 40.8 years. Residents are 51.8% female and 48.2% male.
The median home value in St. James Parish is $197,800 and median monthly rent is $821. 85.5% of occupied housing units are owner-occupied. The county has 8,651 total housing units, 14.0% of which are vacant.
The largest employment sector in St. James Parish, Louisiana is manufacturing, employing 22.3% of workers. The unemployment rate is 3.2%.
New Orleans is among the largest cities associated with St. James Parish, Louisiana, with a population of 376,035.
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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.