Langleyville, Illinois Demographics & Population 2026

A note before these figures: with a population of 282, Langleyville'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

Langleyville is a small community located in Illinois, within Christian County. The total population is 282. It ranks as the 1101st most populous out of 1,445 Census-designated places in Illinois.

Age Demographics

The median age in Langleyville is 67.6 years. This is 73% higher than the state median of 39.0 years. Only 12.8% of residents are under 18, indicating fewer families with children.

Economy, Income & Housing

The median household income in Langleyville is $47,969. This is 42% lower than the state median of $83,390. It is also 41% lower than the national median of $80,734. The ACS records no residents below the poverty line in Langleyville. 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 Langleyville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $106,500. Housing costs are 60% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.2x, Langleyville is one of the most affordable housing markets in the area. 100.0% of occupied housing units are owner-occupied. This homeownership rate is 49% higher than the state average of 67.1%.

Race & Ethnicity

Langleyville has a predominantly White (non-Hispanic) population, comprising 98.6% of all residents. The White (non-Hispanic) population is significantly higher than the state average (98.6% vs 58.1%).

Education

9.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 74% lower than the state rate of 37.9%. 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 Langleyville, Illinois 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 Illinois state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,445 Census-designated places in Illinois. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.