Big Rock village, Illinois Demographics & Population 2026

Population Overview

Big Rock village is a small community located in Illinois. The total population is 1,208. It ranks as the 642nd most populous out of 1,445 cities and towns in Illinois.

Age Demographics

The median age in Big Rock village is 40.6 years. This is 4% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Big Rock village is $126,667. This is 55% higher than the state median of $81,702. Compared to the national median of $78,538, household income here is 61% higher. The poverty rate stands at 4.5%. This is 61% lower than the state poverty rate of 11.7%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 3.6%. This is 37% lower than the state rate of 5.8%. The median home value is $290,100. Housing costs are 16% higher than the state median of $250,500. With a home-value-to-income ratio of just 2.3x, Big Rock village is one of the most affordable housing markets in the area. 96.0% of occupied housing units are owner-occupied. This homeownership rate is 44% higher than the state average of 66.8%.

Race & Ethnicity

The largest racial or ethnic group in Big Rock village is White (non-Hispanic), making up 84.8% of the population. Hispanic or Latino residents account for 9.3%. The Black or African American population (0.3%) is well below the state average of 13.6%. The Asian population (1.2%) is well below the state average of 5.8%.

Education

35.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 5% 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 96.8%.

Data Sources & Methodology

All demographic data for Big 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.