Thayer village, Illinois Demographics & Population 2026

Population Overview

Thayer village is a small community located in Illinois. The total population is 638. It ranks as the 848th most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Thayer village is 43.6 years. This is 12% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Thayer village is $63,125. This is 23% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 20% lower. The poverty rate stands at 9.4%. This is 20% lower than the state poverty rate of 11.7%. The unemployment rate is 5.1%. This is 12% lower than the state rate of 5.8%. The median home value is $87,300. Housing costs are 65% lower than the state median of $250,500. With a home-value-to-income ratio of just 1.4x, Thayer village is one of the most affordable housing markets in the area. 89.6% of occupied housing units are owner-occupied. This homeownership rate is 34% higher than the state average of 66.8%.

Race & Ethnicity

Thayer village has a predominantly White (non-Hispanic) population, comprising 94.0% of all residents. Asian residents account for 1.7%. The White (non-Hispanic) population is significantly higher than the state average (94.0% vs 58.8%). The Black or African American population (1.6%) is well below the state average of 13.6%. The Asian population (1.7%) is well below the state average of 5.8%.

Education

11.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 70% lower 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 90.9%.

Data Sources & Methodology

All demographic data for Thayer village, 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.