Total Population
51,264
Population
Growth Rate
-0.25%
Median Age
41
Diversity Index
54.100
St. Martin Parish is located in south-central Louisiana, just outside Lafayette. The US Census Bureau reports its 2019 population as 53,431, nearly 60% of which for those older than 16 years of age is active in the workforce. As the Gateway to the Atchafalaya Basin, it covers nearly 740 square miles of picturesque sugar cane fields, low-lying swamp land, and rolling hills of moss-draped oaks.
The region has a historical agricultural and oil background, but today it is known for seafood manufacturing, preparation and packaging, cane sugar manufacturing and cemicia/plastics manufacturing.
Total Population
51,264
Population
Growth Rate
-0.25%
Median Age
41
Diversity Index
54.100
Households
20,774
Total Housing Units
24,410
Owner Occupied
16,541
Renter Occupied
4,233
Vacant
3,636
Median Home Value
$174,714
Average Home Value
$200,226
Income
Growth Rate
Median
Household Income
0.00%
Per Capita Income
1.88%
Median Household
$54,182 $59,852
Average Household
$74,919 $80,430
Per Capita
$30,414 $33,375
Total Businesses
1,623
Total Employed
17,180
Workers 16+
22,435
2025 Construction Businesses
Businesses
165
Employed
2,485
2025 Educational Services - Businesses
Businesses
35
Employed
2,357
2025 Retail Trade Businesses
Businesses
228
Employed
2,226
2025 HealthCare / Social Assistance
Businesses
106
Employed
1,971
2025 Accommodation / Food Service
Businesses
149
Employed
1,421
2025 Food Service / Drinking Est.
Businesses
128
Employed
1,284
Some
High School
3,473
Graduated
High School
13,991
Associates
Degree
2,449
Bachelor's
Degree
3,957
Graduate
Degree
1,587
Average Commute Time
28 min.
Resident Commuters
9,516
Non-Resident Commuters
12,648
Drive Alone
19,018
Carpooled
1,476
Public
56
Work At Home
1,408