Flat Rock village, Illinois Demographics & Population 2026

Population Overview

Flat Rock village is a small community located in Illinois. The total population is 362. It ranks as the 1031st most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Flat Rock village is 37.7 years. This is 3% lower than the state median of 38.9 years. 12.7% 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 Flat Rock village is $49,881. This is 39% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 36% lower. The poverty rate stands at 14.4%. This is 23% higher than the state poverty rate of 11.7%. The unemployment rate is 6.5%. This is 11% higher than the state rate of 5.8%. The median home value is $56,700. Housing costs are 77% lower than the state median of $250,500. With a home-value-to-income ratio of just 1.1x, Flat Rock village is one of the most affordable housing markets in the area. 87.2% of occupied housing units are owner-occupied. This homeownership rate is 30% higher than the state average of 66.8%.

Race & Ethnicity

Flat Rock village has a predominantly White (non-Hispanic) population, comprising 97.8% of all residents. The White (non-Hispanic) population is significantly higher than the state average (97.8% vs 58.8%).

Education

13.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 64% 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 91.9%.

Data Sources & Methodology

All demographic data for Flat Rock 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.