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COUNTY

St. Martin Parish

Louisiana · 51,106 residents (2025 est.) · 737.47 sq mi
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The short version

St. Martin Parish has notably lower household income than the US average, with a median household income of $55,960. Population has held roughly steady since 2000. 17% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $164,200.

At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 40.1
US median: 38.9
Less educated
17% hold a bachelor's degree
US average: 36%
Less affordable
home values up 52%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
51,353
+6%since 2000
from 48,583 in 2000
1990 – 2025
Population density
70 / sq mi
Unchangedsince 2009
from 70 / sq mi in 2009
US average: 281
Median age
40.1
+20%since 2000
from 33.4 in 2000
US average: 38.9

PEP 2025 EST:51,106 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
43K46K49K52K55K1990201020202024St. Martin Parish
202451K
1990201020202024
Age distribution, 2024
Under 56.2%(3,166)
US avg: 5.6%
5 to 96.4%(3,275)
US avg: 6%
10 to 147.2%(3,698)
US avg: 6.4%
15 to 196.2%(3,172)
US avg: 6.6%
20 to 245.9%(3,044)
US avg: 6.5%
25 to 3411.9%(6,134)
US avg: 13.7%
35 to 4413.2%(6,794)
US avg: 13.2%
45 to 5411.9%(6,125)
US avg: 12.2%
55 to 6413.8%(7,111)
US avg: 12.7%
65 to 7410.6%(5,465)
US avg: 10.2%
75 to 845.2%(2,677)
US avg: 5.1%
85 and over1.3%(692)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$55,960
Unchangedinflation adjusted, since 2000
from $30,701 in 2000
US average: $82,259
1990 – 2024
Per capita income
$31,041
+128%since 2000
from $13,619 in 2000
US average: $44,673
Households earning $100K+
38.2%
+14.8 ptssince 2009
from 23.5% in 2009
US average: 53.3%
Poverty rate
15.3%
−6.3 ptssince 2000
from 21.5% in 2000
US average: 12.5%
Income inequality (Gini)
0.465
+2%since 2010
from 0.456 in 2010
US average: 0.476
Workforce by industry, 2024
Information12.8%
US avg: 10.8%
Wholesale trade10.5%
US avg: 6.9%
Retail trade8.9%
US avg: 9.9%
Agriculture, forestry, fishing6.6%
US avg: 1.6%
Finance & insurance6.4%
US avg: 5.9%
Professional, scientific, technical5.5%
US avg: 5.1%
Manufacturing5.3%
US avg: 0.4%
Transportation & warehousing3.7%
US avg: 2.2%
Other services3%
US avg: 6.7%
Public administration2.6%
US avg: 4.8%
Construction1.3%
US avg: 1.2%
Education & health services0.9%
US avg: 0.9%
Arts, entertainment, food0.8%
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$164,200
+52%inflation adjusted, since 2000
from $59,400 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$870
+35%inflation adjusted, since 2000
from $353 in 2000
US average: $1,442
Owner-occupied
77.7%
−4.0 ptssince 2000
from 81.7% in 2000
22.3% rent
Vacancy rate
17.8%
+5.8 ptssince 2009
from 12.0% in 2009
US average: 10.0%
Owner cost-burdened
16.3%
−1.5 ptssince 2009
from 17.8% in 2009
US average: 22.9%
Renter cost-burdened
34.2%
+1.5 ptssince 2009
from 32.7% in 2009
US average: 47.4%
Afford Score
2.9
+42%since 2009
from 2.1 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
44
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in St. Martin Parish on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic65.5%(31,813)
Black31.8%(15,464)
Hispanic / Latino0.8%(405)
Asian0.9%(440)
Other0%
2024
White, non-Hispanic63.1%(32,398)
Black28.6%(14,690)
Hispanic / Latino3.6%(1,873)
Asian0.8%(390)
Other3.9%(2,002)
Diversity Score
65
+10%since 2009
from 59 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
27
+4%since 2020
from 26 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican1.1%(567)
Guatemalan0.8%(408)
Honduran0.1%(71)
Panamanian0.1%(48)
Spaniard0.1%(34)
Puerto Rican0.1%(33)
Cuban0%(2)
Asian origin
Vietnamese0.5%(241)
Chinese0.1%(60)
Laotian0.1%(37)
Nepalese0%(19)
Filipino0%(14)
Korean0%(1)
Pacific Islander origin
Samoan0.1%(48)
Tongan0.1%(38)
Ancestry
French19.6%(10,076)
French Canadian6.8%(3,505)
German6%(3,104)
American4.7%(2,431)
English3.9%(2,006)
Irish3.5%(1,785)
Italian2.1%(1,091)
Scottish0.6%(283)
West Indian0.3%(135)
Haitian0.3%(135)
Scotch-Irish0.2%(104)
+ 21 more ancestry groups with data
Swedish0.2%(84)
Russian0.2%(83)
Welsh0.1%(77)
Canadian0.1%(64)
Polish0.1%(60)
British0.1%(52)
Dutch0.1%(52)
Turkish0.1%(35)
Hungarian0.1%(33)
Finnish0.1%(32)
Austrian0%(15)
Nigerian0%(15)
Norwegian0%(13)
Swiss0%(12)
Arab0%(10)
Lebanese0%(10)
Croatian0%(10)
Belgian0%(8)
Iranian0%(7)
RANKED:Largest French population · Largest French Canadian population · Largest German population · Largest American population · Largest English population
Section 05

Education

Bachelor's degree or higher
16.8%
+8.2 ptssince 2000
from 8.5% in 2000
US average: 35.6%
High school or higher
83.2%
+20.3 ptssince 2000
from 62.9% in 2000
US average: 89.6%
Graduate degree
4.4%
+1.5 ptssince 2000
from 2.9% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
27.2 min
+41%since 2000
from 19.3 min in 2000
US average: 26.5
Drive alone to work
82.8%
−3.9 ptssince 2009
from 86.8% in 2009
US average: 68.9%
Carpooled to work
6.7%
−2.3 ptssince 2009
from 8.9% in 2009
US average: 8.5%
Public transit
0.4%
+0.2 ptssince 2009
from 0.2% in 2009
US average: 3.2%
Worked from home
8.1%
+6.4 ptssince 2009
from 1.7% in 2009
US average: 15.0%
Walked to work
1.0%
−0.1 ptssince 2009
from 1.2% in 2009
US average: 2.4%
Biked to work
0.2%
+0.1 ptssince 2009
from 0.1% in 2009
US average: 0.4%
No vehicle available
9.4%
+1.2 ptssince 2009
from 8.2% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
4.0%
−4.0 ptssince 2011
from 8.0% in 2011
US average: 5.2%
Labor force participation
58.1%
−4.1 ptssince 2011
from 62.2% in 2011
US average: 63.5%
Self-employed
10.1%
−0.4 ptssince 2009
from 10.4% in 2009
US average: 13.1%
Management & professional
31.2%
−24.4 ptssince 2009
from 55.6% in 2009
US average: 42.5%
Section 08

People & community

Male
49.1%
−0.1 ptssince 2009
from 49.1% in 2009
Female
50.9%
+0.1 ptssince 2009
from 50.9% in 2009
Foreign born
1.8%
+0.6 ptssince 2009
from 1.2% in 2009
US average: 14.1%
Veterans
5.4%
−42.8 ptssince 2009
from 48.2% in 2009
US average: 6.2%
With a disability
16.1%
+1.9 ptssince 2012
from 14.2% in 2012
US average: 13.3%
Uninsured
6.1%
−76.8 ptssince 2013
from 82.9% in 2013
US average: 8.4%
Broadband at home
83.2%
+15.2 ptssince 2017
from 68.0% in 2017
US average: 91.0%
English only at home
89.4%
+9.9 ptssince 2016
from 79.5% in 2016
US average: 77.7%
Spanish at home
2.1%
Unchangedsince 2016
from 2.1% in 2016
US average: 13.6%
Marital status
Men 15+
Never married38.6%(7,758)
Married50.2%(10,085)
Widowed2.2%(448)
Divorced9%(1,807)
Women 15+
Never married29.8%(6,286)
Married46.8%(9,873)
Widowed9.6%(2,018)
Divorced13.9%(2,939)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to St. Martin Parish

Laurens County
Pop 51,041
Santa Cruz County
Pop 50,020
Dale County
Pop 49,912
Hendry County
Pop 48,276
Places similar to St. Martin Parish
Head to head

Compare St. Martin Parish to nearby counties

ST. MARTIN PARISH VS
Iberville Parish
Income$54,000−4%
Home value$172,800+5%
Population29,579−42%
SEE FULL COMPARISON →
ST. MARTIN PARISH VS
Lafayette Parish
Income$67,451+21%
Home value$242,900+48%
Population257,949+405%
SEE FULL COMPARISON →
ST. MARTIN PARISH VS
West Baton Rouge Parish
Income$87,299+56%
Home value$229,900+40%
Population28,756−44%
SEE FULL COMPARISON →
ST. MARTIN PARISH VS
St. Mary Parish
Income$52,576−6%
Home value$138,900−15%
Population46,552−9%
SEE FULL COMPARISON →
Frequently asked

How many people live in St. Martin Parish, Louisiana?

St. Martin Parish, Louisiana has about 51,353 residents according to the 2024 American Community Survey.

What is the median household income in St. Martin Parish, Louisiana?

The typical household in St. Martin Parish, Louisiana earns about $55,960 a year. Half of households make more than that, and half make less.

Is St. Martin Parish, Louisiana expensive?

In St. Martin Parish, Louisiana, the median home is worth about $164,200, and the typical rent is about $870 a month.

How educated are people in St. Martin Parish, Louisiana?

About 16.8% of adults age 25 and over in St. Martin Parish, Louisiana hold a bachelor's degree or higher.

What is the poverty rate in St. Martin Parish, Louisiana?

About 15.3% of people in St. Martin Parish, Louisiana live below the federal poverty line.

Has St. Martin Parish, Louisiana grown since 1990?

Yes, St. Martin Parish, Louisiana has grown since 1990. The population has added about 7,375 residents, a change of about 17 percent over that period.

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17 census tracts
Census Tract 203.03Census Tract 204.01Census Tract 203.01Census Tract 202.01Census Tract 205.02Census Tract 205.04Census Tract 208Census Tract 206.01Census Tract 203.04Census Tract 206.02Census Tract 205.03Census Tract 201.01Census Tract 202.02Census Tract 209Census Tract 201.02Census Tract 204.02Census Tract 210
3 ZIP codes
ZIP 70517ZIP 70582ZIP 70519
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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