Centerville, Louisiana Demographics & Population 2026

A note before these figures: with a population of 685, Centerville's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

Centerville is a small community located in Louisiana, within St. Mary Parish. The total population is 685. It ranks as the 315th most populous out of 488 Census-designated places in Louisiana.

Age Demographics

The median age in Centerville is 53.4 years. This is 41% higher than the state median of 38.0 years. Only 12.3% of residents are under 18, indicating fewer families with children. 27.2% 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 Centerville is $74,509. This is 23% higher than the state median of $60,756. It is also 8% lower than the national median of $80,734. The poverty rate stands at 24.5%. This is 30% 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 survey records no unemployed residents in Centerville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $320,400. Housing costs are 48% higher than the state median of $216,500. The home-value-to-income ratio is 4.3x. 73.0% of occupied housing units are owner-occupied. This homeownership rate is 8% higher than the state average of 67.4%.

Race & Ethnicity

Centerville has a predominantly White (non-Hispanic) population, comprising 97.2% of all residents. The White (non-Hispanic) population is significantly higher than the state average (97.2% vs 55.7%).

Education

39.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Centerville in the top 10% of all cities in the state for educational attainment. This is 44% higher than the state rate of 27.0%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.8%. Notably, 31.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Centerville, Louisiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Louisiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 488 Census-designated places in Louisiana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.