Gilliam, Louisiana Demographics & Population 2026

A note before these figures: with a population of 117, Gilliam'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

Gilliam is a small community located in Louisiana, within Caddo Parish. The total population is 117. It ranks as the 475th most populous out of 488 Census-designated places in Louisiana.

Age Demographics

The median age in Gilliam is 56.8 years. This is 49% higher than the state median of 38.0 years. Only 12.8% of residents are under 18, indicating fewer families with children. 19.7% 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 Gilliam is $93,750. This is 54% higher than the state median of $60,756. It is also 16% higher than the national median of $80,734. The poverty rate stands at 14.5%. This is 23% lower than the state poverty rate of 18.9%. The unemployment rate is 6.9%. This is 10% higher than the state rate of 6.3%. The median home value is $142,000. Housing costs are 34% lower than the state median of $216,500. With a home-value-to-income ratio of just 1.5x, Gilliam is one of the most affordable housing markets in the area. 98.1% of occupied housing units are owner-occupied. This homeownership rate is 46% higher than the state average of 67.4%.

Race & Ethnicity

The largest racial or ethnic group in Gilliam is White (non-Hispanic), making up 70.1% of the population. Black or African American residents account for 27.4%. The Hispanic or Latino population (2.6%) is well below the state average of 7.2%.

Education

35.0% of residents aged 25 and older hold a bachelor's degree or higher. This places Gilliam in the top 10% of all cities in the state for educational attainment. This is 29% 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 77.0%.

Data Sources & Methodology

All demographic data for Gilliam, 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.