Adair CDP, Illinois Demographics & Population 2026

Population Overview

Adair CDP is a small community located in Illinois. The total population is 148. It ranks as the 1275th most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Adair CDP is 38.3 years. This is 2% lower than the state median of 38.9 years. With 30.4% of the population under 18, Adair CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The poverty rate stands at 14.9%. This is 27% higher than the state poverty rate of 11.7%. The unemployment rate is 0.0%. This is 100% lower than the state rate of 5.8%. The median home value is $86,300. Housing costs are 66% lower than the state median of $250,500. 67.2% of occupied housing units are owner-occupied.

Race & Ethnicity

Adair CDP has a predominantly White (non-Hispanic) population, comprising 94.6% of all residents. Black or African American residents account for 5.4%. The White (non-Hispanic) population is significantly higher than the state average (94.6% vs 58.8%). The Black or African American population (5.4%) is well below the state average of 13.6%.

Education

40.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 10% higher than the state rate of 37.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 100.0%.

Data Sources & Methodology

All demographic data for Adair CDP, Illinois is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. 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. For official data, visit data.census.gov.