St. Martinville Flag

St. Martinville

County Seat:
Yes
Area (mi²):
3.169
State:
Louisiana

St. Martinville is a city located in St. Martin Parish, Louisiana. St. Martinville has a 2026 population of 5,148. It is also the county seat of St. Martin Parish. St. Martinville is currently declining at a rate of -0.77% annually and its population has decreased by -4.49% since the most recent census, which recorded a population of 5,390 in 2020.

The median household income in St. Martinville is $36,130 with a poverty rate of 22.32%. The median age in St. Martinville is 49.4 years: 50.9 years for males, and 48.2 years for females. For every 100 females there are 83.2 males.

5.1K
Total Population
1,624
Density (mi²)
-40 -0.77%
Growth

St. Martinville Population

St. Martinville Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20265,148-40-0.77%
20255,188-41-0.78%
20245,229-16-0.31%
20235,245-36-0.68%
20225,281-71-1.33%
20215,352-64-1.18%
20205,390-395-6.83%
20195,785-67-1.14%
20185,852-108-1.81%
20175,960-21-0.35%
20165,981-50-0.83%
20156,031100.17%
20146,021-14-0.23%
20136,035-13-0.21%
20126,048-60-0.98%
20116,10870.11%
20106,101-13-0.21%
20006,989-148-2.07%
19907,137-828-10.4%
19807,96581211.35%
19707,15368510.59%
19606,46800%

Median Age

Overall: 49.4 years
Female: 48.2 years
Male: 50.9 years

St. Martinville Adults

There are 4,676 adults, (1,524 of whom are seniors) in St. Martinville.

Sex Ratio

Female: 2,892 (54.6%)
Male: 2,405 (45.4%)

Demographics

The racial composition of St. Martinville includes 48.86% Black or African American, 45.23% White, and smaller percentages for other race, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Black or African American2,58848.86%
White2,39645.23%
Two or more races2294.32%
Other race621.17%
Asian220.42%
Race
Population ↓
Percentage (of total)
Two or more races741.4%
Other race30.06%
Race
Population ↓
Percentage (of total)
Black or African American2,58848.86%
White2,39645.23%
Two or more races1552.93%
Other race591.11%
Asian220.42%

St. Martinville Marital Status

Economics and Income Statistics

St. Martinville 's average per capita income is $40,371. Household income levels show a median of $36,130. The poverty rate stands at 22.32%.

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$67,135$77,566
Married Families$61,250-
Households$36,130$55,944
Non Families$22,334$31,065

$40,371

Average Income

$36,130

Median Household Income

22.32%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)