Mount Lebanon, Louisiana Demographics & Population 2026

A note before these figures: with a population of 143, Mount Lebanon'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

Mount Lebanon is a small community located in Louisiana, within Bienville Parish. The total population is 143. It ranks as the 465th most populous out of 488 Census-designated places in Louisiana.

Age Demographics

The median age in Mount Lebanon is 21.8 years. This is 43% lower than the state median of 38.0 years. Only 4.2% of residents are under 18, indicating fewer families with children. 10.5% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The poverty rate stands at 4.9%. This is 74% lower than the state poverty rate of 18.9%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The survey records no unemployed residents in Mount Lebanon, which reflects the size of the sample rather than a labor market without joblessness. 93.9% of occupied housing units are owner-occupied. This homeownership rate is 39% higher than the state average of 67.4%.

Race & Ethnicity

The largest racial or ethnic group in Mount Lebanon is Black or African American, making up 77.6% of the population. White (non-Hispanic) residents account for 22.4%. The White (non-Hispanic) population (22.4%) is well below the state average of 55.7%. The Black or African American population is significantly higher than the state average (77.6% vs 30.5%).

Education

37.3% of residents aged 25 and older hold a bachelor's degree or higher. This places Mount Lebanon in the top 10% of all cities in the state for educational attainment. This is 38% 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.

Data Sources & Methodology

All demographic data for Mount Lebanon, 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.