St. Martinville

County:: St. Martin Parish
County Seat:: No
Area (mi²):: 3.169
State:: Louisiana

St. Martinville is a city located in St. Martin Parish, Louisiana. St. Martinville has a 2025 population of 5,155. St. Martinville is currently declining at a rate of -0.96% annually and its population has decreased by -4.61% since the most recent census, which recorded a population of 5,404 in 2020.

The average household income in St. Martinville is $53,800 with a poverty rate of 24.3%. The median age in St. Martinville is 48.2 years: 54.1 years for males, and 45.1 years for females.

Demographics

The racial composition of St. Martinville includes 54.41% Black or African American, 40.92% White, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Black or African American

White

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Black or African American	2,920	54.41%
White	2,196	40.92%
Two or more races	186	3.47%
Other race	49	0.91%
Asian	16	0.3%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

St. Martinville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Martinville's average per capita income is $35,719. Household income levels show a median of $33,132. The poverty rate stands at 24.3%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Families	$54,943	$83,113
Married Families	$54,915	-
Households	$33,132	$53,800
Non Families	$19,634	$26,307

$35,719

Average Income

$33,132

Median Household Income

24.3%

Poverty Rate