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Our Parishes
St. Martin Parish was named for the saint. Here, you can take a Cajun Swamp Tour, visit the Longfellow-Evangeline State Historic Site, or fish in Lake Martin.
As of 2026 the population of St. Martin is 50,958. The population is expected to shrink to 50,518 by 2031 - a growth rate of -0.17%.
The median age of St. Martin residents is 41.
The diversity index of St. Martin is 54.7, meaning that there is a 55% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
The average household income in St. Martin is $75,841 and projected to be $83,938 in 2031. Per capita income is $30,990, projected to be $35,040 in 2031. 1.95% of households – 993 – have an income of $200,000 or higher. Average net worth is $646,304 and the average disposable income is $60,079.
There are 24,537 housing units in St. Martin; 16,449 are owner-occupied, 4,330 are rented, and 3,758 are vacant. The average home value is $209,736, with 3,419 homes built in 2010 or later, and 947 built in 1939 or earlier.
There are 1,610 businesses in St. Martin, employing 16,613 workers and pulling from a labor force of 22,221 age 16 and above. 12,181 workers commute into St. Martin from outside the county or state. Key industries for the area include:
9,684 residents both live and work in/around St. Martin. The average travel time is 27.2 minutes. 12.15% people have a commute of less than 5 minutes while 8.53% commute 90 minutes or more each way. Of commuters, 18,404 drive alone, 1,480 carpool, and 88 take public transportation. 433 use other modes of transport such as motorcycle, bicycle, walking, etc. 1,797 residents work from home.
16,307 members of the workforce hold a high school diploma or GED. 2,729 have associates degrees, 4,660 have bachelor’s degrees, and 1,660 hold a graduate or professional degree.
Source: ESRI, 2026-08-31
