St. Landry Parish, Louisiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in Louisiana
The population of St. Landry Parish, Louisiana is 82,128 as of the 2023 American Community Survey, making it the 16th-largest county in Louisiana. The median household income is $45,637, the median home value is $142,900, and the median age is 37.5.
The population of St. Landry Parish has declined 3.2% since 2010 (83,503 → 80,869), a -0.23% annualized rate.
82,128
Population
-0.23%
Annual growth
89
People / sq mi
$45,637
Median Income
$142,900
Median Home Value
St. Landry Parish covers 923 sq mi of land at 88.9 people per square mile.
About St. Landry Parish, LA
St. Landry Parish is distinguished by its share of foreign-born residents, 5.8% of the population. St. Landry Parish is a county in Louisiana with a population of 82,128. It ranks #16 among counties in Louisiana by population.
Incomes run on the lower side: a median household income of $45,637, 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 $142,900, with typical rent around $742.
College attainment is 14.3%, below the national 35.0%. Around 5.9% of workers work from home, below the national 14.0%, and the average commute runs about 30 minutes each way.
St. Landry Parish Population History (2010-2024)
The county of St. Landry Parish had a population of 83,503 in 2010 and 80,869 in 2024, a -3.2% growth over 14 years. The peak was 83,885 in 2016. Average annual growth rate: -0.23%.
80,869
Population (2024)
83,503
Population (2010)
83,885
Peak (2016)
-0.23%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 83,503 |
| 2011 | 83,458 |
| 2012 | 83,487 |
| 2013 | 83,448 |
| 2014 | 83,720 |
| 2015 | 83,693 |
| 2016 | 83,885 |
| 2017 | 83,582 |
| 2018 | 82,827 |
| 2019 | 82,196 |
| 2020 | 82,310 |
| 2021 | 82,199 |
| 2022 | 81,642 |
| 2023 | 81,329 |
| 2024 | 80,869 |
Race & Ethnicity
| White | 53.4% |
| Black or African American | 40.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.2% |
Age & Sex
37.5
Median Age
51.5%
Female
48.5%
Male
16.7%
Age 65+
Age Distribution
Children (under 15): 22.2% · Seniors (65+): 16.7%
Income & Poverty
| Median household income | $45,637$-14,386 vs state |
| Mean household income | $62,849 |
| Per-capita income | $25,018 |
| Poverty rate | 20.1%+5.9% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 49.3% |
Top Industries by Employment
The largest employment sector in St. Landry Parish is professional & business services, accounting for 25.2% of workers.
How residents commute
0.4%
Drive alone
2.3%
Carpool
79.7%
Public transit
5.9%
Work from home
29.9 min
Avg commute
Housing
$142,900$-65,800 vs state
Median home value
$742
Median rent
70.0%
Homeownership rate
37,001
Total housing units
85.5%
Occupied
14.5%
Vacant
30.0%
Renter-occupied
Social & access
92.8%
With health insurance
86.1%
With broadband internet
5.8%
Foreign-born
4.8%
Veterans (18+)
14.5%
With a disability
91.9%
Speak language other than English at home
Education
80.6%
High School+
14.3%
Bachelor's+
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County rankings
Frequently Asked Questions
St. Landry Parish, Louisiana has a population of 82,128 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in Louisiana. Population density is 89 people per square mile.
The population of St. Landry Parish has declined 3.2% since 2010 (83,503 → 80,869), a -0.23% annualized rate.
The median household income in St. Landry Parish, Louisiana is $45,637, with mean (average) household income of $62,849 and per-capita income of $25,018. 20.1% of residents live below the federal poverty level.
In St. Landry Parish, the largest racial and ethnic groups are White (53.4%), Black or African American (40.3%), 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 St. Landry Parish, Louisiana is 37.5 years. Residents are 51.5% female and 48.5% male.
The median home value in St. Landry Parish is $142,900 and median monthly rent is $742. 70.0% of occupied housing units are owner-occupied. The county has 37,001 total housing units, 14.5% of which are vacant.
The largest employment sector in St. Landry Parish, Louisiana is professional, scientific, and management services, employing 25.2% of workers. The unemployment rate is 2.9%.
New Orleans is among the largest cities associated with St. Landry Parish, Louisiana, with a population of 376,035.
St. Landry Parish, LA Climate
St. Landry Parish, LA has an average annual temperature of 19.3°C (67°F) and receives about 1574 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
19.3°C
Avg Temp
1574
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 10° / 49° | 154 mm |
| February | 12° / 53° | 120 mm |
| March | 16° / 60° | 128 mm |
| April | 19° / 67° | 129 mm |
| May | 23° / 74° | 144 mm |
| June | 27° / 80° | 133 mm |
| July | 28° / 82° | 134 mm |
| August | 27° / 81° | 121 mm |
| September | 25° / 77° | 120 mm |
| October | 20° / 68° | 112 mm |
| November | 15° / 59° | 130 mm |
| December | 11° / 52° | 149 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit St. Landry Parish, LA
The most comfortable months to visit St. Landry Parish, LA are typically October, April and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 4°C low). January is usually the wettest month.
Where to stay near St. Landry Parish
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.