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 a county in Louisiana with a population of 19,797. It ranks #46 among counties in Louisiana by population. The median age is 40.8, older than the national median. The population is 48.2% male and 51.8% female.
The median household income in St. James Parish is $64,536, below the US median of $74,580. 7.0% of residents live below the federal poverty level. Home values sit at a median of $197,800, with monthly rent averaging $821. The homeownership rate of 85.5% is higher than the national rate of 64.8%.
Educational attainment in St. James Parish reflects 20.2% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 27.9 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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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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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.