Sun River Terrace, Illinois Demographics & Population 2026

A note before these figures: with a population of 636, Sun River Terrace'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

Sun River Terrace is a small community located in Illinois, within Kankakee County. The total population is 636. It ranks as the 850th most populous out of 1,445 Census-designated places in Illinois.

Age Demographics

The median age in Sun River Terrace is 33.2 years. This is 15% lower than the state median of 39.0 years. With 41.2% of the population under 18, Sun River Terrace has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Sun River Terrace is $65,481. This is 21% lower than the state median of $83,390. It is also 19% lower than the national median of $80,734. The poverty rate stands at 45.2%. This is 283% higher than the state poverty rate of 11.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 3.3%. This is 43% lower than the state rate of 5.8%. The median home value is $125,000. Housing costs are 53% lower than the state median of $263,300. With a home-value-to-income ratio of just 1.9x, Sun River Terrace is one of the most affordable housing markets in the area. 39.4% of occupied housing units are owner-occupied. This homeownership rate is 41% lower than the state average of 67.1%.

Race & Ethnicity

Sun River Terrace has a predominantly Black or African American population, comprising 85.4% of all residents. White (non-Hispanic) residents account for 6.9%. The White (non-Hispanic) population (6.9%) is well below the state average of 58.1%. The Black or African American population is significantly higher than the state average (85.4% vs 13.3%). The Hispanic or Latino population (6.5%) is well below the state average of 18.8%.

Education

11.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 71% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 88.0%.

Data Sources & Methodology

All demographic data for Sun River Terrace, 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.