Lemannville, Louisiana Demographics & Population 2026

A note before these figures: with a population of 841, Lemannville'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

Lemannville is a small community located in Louisiana, within Ascension Parish. The total population is 841. It ranks as the 290th most populous out of 488 Census-designated places in Louisiana.

Age Demographics

The median age in Lemannville is 38.6 years. This is 2% higher than the state median of 38.0 years. Only 12.1% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Lemannville is $16,947. This is 72% lower than the state median of $60,756. It is also 79% lower than the national median of $80,734. The poverty rate stands at 75.1%. This is 297% 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 Lemannville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $75,300. Housing costs are 65% lower than the state median of $216,500. The home-value-to-income ratio is 4.4x. 68.9% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 67.4%.

Race & Ethnicity

The largest racial or ethnic group in Lemannville is Black or African American, making up 65.4% of the population. White (non-Hispanic) residents account for 28.9%. The Black or African American population is significantly higher than the state average (65.4% vs 30.5%). The Hispanic or Latino population (2.0%) is well below the state average of 7.2%.

Education

1.9% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. This is 93% lower 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 71.1%.

Data Sources & Methodology

All demographic data for Lemannville, 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.