St. Martinville city, Louisiana Demographics & Population 2026

Population Overview

St. Martinville city is a small city located in Louisiana. The total population is 5,367. It ranks as the 100th most populous out of 487 cities and towns in Louisiana.

Age Demographics

The median age in St. Martinville city is 48.2 years. This is 28% higher than the state median of 37.8 years. Only 14.6% of residents are under 18, indicating fewer families with children. 13.4% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in St. Martinville city is $33,132. This is 45% lower than the state median of $60,023. Compared to the national median of $78,538, household income here is 58% lower. The poverty rate stands at 24.3%. This is 29% higher than the state poverty rate of 18.9%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 14.6%. This is 131% higher than the state rate of 6.3%. The median home value is $91,700. Housing costs are 56% lower than the state median of $208,700. With a home-value-to-income ratio of just 2.8x, St. Martinville city is one of the most affordable housing markets in the area. 54.5% of occupied housing units are owner-occupied. This homeownership rate is 19% lower than the state average of 67.3%.

Race & Ethnicity

The largest racial or ethnic group in St. Martinville city is Black or African American, making up 54.4% of the population. White (non-Hispanic) residents account for 40.9%. The Black or African American population is significantly higher than the state average (54.4% vs 30.8%). The Hispanic or Latino population (1.2%) is well below the state average of 7.0%. The Asian population (0.3%) is well below the state average of 1.7%.

Education

14.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 44% lower than the state rate of 26.6%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 80.1%.

Data Sources & Methodology

All demographic data for St. Martinville city, Louisiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Louisiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 487 Census-designated places in Louisiana. For official data, visit data.census.gov.