Lewisburg, Louisiana Demographics & Population 2026

A note before these figures: with a population of 484, Lewisburg'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

Lewisburg is a small community located in Louisiana, within St. Tammany Parish. The total population is 484. It ranks as the 362nd most populous out of 488 Census-designated places in Louisiana.

Age Demographics

The median age in Lewisburg is 40.2 years. This is 6% higher than the state median of 38.0 years. With 34.7% of the population under 18, Lewisburg has a notably young demographic profile, suggesting a family-oriented community. 14.9% 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 Lewisburg is $155,179. This is 155% higher than the state median of $60,756. It is also 92% higher than the national median of $80,734. The ACS records no residents below the poverty line in Lewisburg. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Lewisburg, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $481,400. Housing costs are 122% higher than the state median of $216,500. The home-value-to-income ratio is 3.1x. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 48% higher than the state average of 67.4%.

Race & Ethnicity

Lewisburg has a predominantly White (non-Hispanic) population, comprising 99.2% of all residents. Hispanic or Latino residents account for 0.8%. The White (non-Hispanic) population is significantly higher than the state average (99.2% vs 55.7%). The Hispanic or Latino population (0.8%) is well below the state average of 7.2%.

Education

81.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Lewisburg in the top 10% of all cities in the state for educational attainment. This is 200% higher than the state rate of 27.0%. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample. Notably, 34.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All demographic data for Lewisburg, 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.