Macoupin County, Illinois Demographics 2026

Population Overview

Macoupin County is located in Illinois with a total population of 44,566. It is the 32nd most populous county out of 102 in Illinois. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Macoupin 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 Macoupin County is $68,518. This is 16% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is 13% lower. The poverty rate stands at 14.4%. This is 23% higher than the state poverty rate of 11.7%. The unemployment rate is 4.4%. This is 24% lower than the state rate of 5.8%. The median home value is $126,100. Housing costs are 50% lower than the state median of $250,500. With a home-value-to-income ratio of just 1.8x, Macoupin County is one of the most affordable housing markets in the area. 77.7% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 66.8%.

Race & Ethnicity

Macoupin County has a predominantly White (non-Hispanic) population, comprising 94.3% of all residents. Hispanic or Latino residents account for 1.3%. The White (non-Hispanic) population is significantly higher than the state average (94.3% vs 58.8%). The Black or African American population (1.2%) is well below the state average of 13.6%. The Hispanic or Latino population (1.3%) is well below the state average of 18.5%. The Asian population (0.4%) is well below the state average of 5.8%.

Education

18.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 50% 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 90.8%.