Richland County, Illinois Demographics 2026

Population Overview

Richland County is located in Illinois with a total population of 15,675. It is the 67th most populous county out of 102 in Illinois.

Age Demographics

The median age in Richland County is 42.5 years. This is 9% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Richland County is $60,404. This is 26% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 23% lower. The poverty rate stands at 11.9%. This is 1% higher than the state poverty rate of 11.7%. The unemployment rate is 4.2%. This is 27% lower than the state rate of 5.8%. The median home value is $106,600. Housing costs are 57% lower than the state median of $250,500. With a home-value-to-income ratio of just 1.8x, Richland County is one of the most affordable housing markets in the area. 73.6% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 66.8%.

Race & Ethnicity

Richland County has a predominantly White (non-Hispanic) population, comprising 93.7% of all residents. Hispanic or Latino residents account for 1.9%. The White (non-Hispanic) population is significantly higher than the state average (93.7% vs 58.8%). The Black or African American population (0.3%) is well below the state average of 13.6%. The Hispanic or Latino population (1.9%) is well below the state average of 18.5%. The Asian population (0.3%) is well below the state average of 5.8%.

Education

18.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% 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%.