County

St. Martin County, LA

4 ZIP codes  ·  4 cities  ·  Louisiana

👥45,816Population
💰$53,460Median HH Income▼ 30% below avg
🎂39.5Median Age
🏠$150,553Median Home Value▼ 46% below avg
🎓23.8%College Grads▼ 38% below avg
📊5.2%Unemployment≈ Avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.3% Female 50.8% ♀

Race & Ethnicity

White: 62.2%Hispanic: 3.4%Black: 30%Asian: 0.8%Other: 3.2%Race
White62.2%
Hispanic3.4%
Black30.0%
Asian0.8%
Other3.2%

Age Breakdown

Under 5
6%
5–17
18%
18–24
8%
25–44
26%
45–64
26%
65+
7%

Key Indicators

Median Age39.5 yrs
Avg HH Size2.58
Below Poverty16.6% ▲ 66% above avg
College Grads23.8% ▼ 38% below avg
Unemployment5.2% ≈ Avg
No HS Diploma453 (1.7%)
HS Graduate12,990 (48.7%)
Some College3,194 (12%)
Associates3,697 (13.9%)
Bachelors1,942 (7.3%)
Graduate Degree4,416 (16.5%)

Education

No HS: 1.7%HS Grad: 48.7%Some College: 12%Associates: 13.9%Bachelors: 7.3%Graduate: 16.5%Edu
No HS1.7%
HS Grad48.7%
Some College12.0%
Associates13.9%
Bachelors7.3%
Graduate16.5%
Housing & Income

Housing Tenure

Owner: 78%Renter: 22%Tenure
Owner78.0%
Renter22.0%

Home Value Distribution

Under $50k
17%
$50k–$100k
18%
$100k–$150k
15%
$150k–$200k
16%
$200k–$300k
19%
$300k–$500k
13%
Over $500k
2%

Financials

Median HH Income$53,460 ▼ 30% below avg
Median Home Value$150,552 ▼ 46% below avg
Home/Income Ratio2.8x (nat avg ~3.5x)
Median Rent$875/mo
Total Housing Units21,072
Vacant Units3,309

Income Distribution

Under $25k
27%
$25k–$50k
17%
$50k–$75k
17%
$75k–$100k
13%
$100k–$150k
15%
$150k–$200k
6%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
92%
Public Transit
0%
Walked
1%
Work From Home
6%

Commute Time

Under 15 min
29%
15–30 min
31%
30–45 min
25%
Over 45 min
15%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
9%
1960s–1970s
14%
1980s–1990s
17%
2000+
58%
About St. Martin County, LA

St. Martin County is located in Louisiana and encompasses 4 ZIP codes spanning 4 cities and communities. The county has an estimated population of 45,816 residents. With a median age of 39.53, it is a middle-aged county.

St. Martin County has a working-class economic profile. The median household income of $53,460 is below the national average. Unemployment stands at 5.2%, near the national average. The poverty rate of 16.6% is significantly above the national average, indicating economic challenges.

Housing in St. Martin County is an affordable housing market, with a median home value of $150,552 — below the national average. Monthly median rent is approximately $874. Homeownership rates are high at 78.0%, reflecting a largely residential, stable population.

The residents of St. Martin County are majority White (62.23%). Educational attainment is less-educated — 23.8% of adults hold a bachelor's degree or higher, below the national average.

St. Martin County, LA is a working-class area in Louisiana. The 4 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in St. Martin County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
70517 Breaux Bridge 26,570 $58,342 $151,600 $938 3.6% 24.3%
70582 Saint Martinville 19,159 $46,690 $149,100 $787 7.5% 22.9%

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