Scott County, Illinois Demographics 2026

Population Overview

Scott County is located in Illinois with a total population of 4,847. It is the 99th most populous county out of 102 in Illinois.

Age Demographics

The median age in Scott County is 44.3 years. This is 14% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Scott County is $73,013. This is 11% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 7% lower. The poverty rate stands at 10.6%. This is 10% lower than the state poverty rate of 11.7%. The unemployment rate is 2.6%. This is 55% lower than the state rate of 5.8%. The median home value is $101,700. Housing costs are 59% lower than the state median of $250,500. With a home-value-to-income ratio of just 1.4x, Scott County is one of the most affordable housing markets in the area. 79.1% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 66.8%.

Race & Ethnicity

Scott County has a predominantly White (non-Hispanic) population, comprising 95.7% of all residents. Hispanic or Latino residents account for 1.5%. The White (non-Hispanic) population is significantly higher than the state average (95.7% vs 58.8%). The Black or African American population (1.1%) is well below the state average of 13.6%. The Hispanic or Latino population (1.5%) is well below the state average of 18.5%. The Asian population (0.4%) is well below the state average of 5.8%.

Education

22.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% 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 93.2%.