Dulac, Louisiana Demographics & Population 2026

A note before these figures: with a population of 517, Dulac'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

Dulac is a small community located in Louisiana, within Terrebonne Parish. The total population is 517. It ranks as the 353rd most populous out of 488 Census-designated places in Louisiana.

Age Demographics

The median age in Dulac is 54.7 years. This is 44% higher than the state median of 38.0 years. Only 10.1% of residents are under 18, indicating fewer families with children. 19.5% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Dulac is $38,750. This is 36% lower than the state median of $60,756. It is also 52% lower than the national median of $80,734. The poverty rate stands at 19.7%. This is 4% higher than the state poverty rate of 18.9%. The unemployment rate is 4.1%. This is 34% lower than the state rate of 6.3%. The median home value is $106,500. Housing costs are 51% lower than the state median of $216,500. With a home-value-to-income ratio of just 2.7x, Dulac is one of the most affordable housing markets in the area. 83.0% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 67.4%.

Race & Ethnicity

The largest racial or ethnic group in Dulac is White (non-Hispanic), making up 65.0% of the population. Hispanic or Latino residents account for 11.2%. The Black or African American population (1.7%) is well below the state average of 30.5%. The Hispanic or Latino population is significantly higher than the state average (11.2% vs 7.2%).

Education

4.4% 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 84% 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 58.3%.

Data Sources & Methodology

All demographic data for Dulac, 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.