Ogle County, Illinois Demographics 2026

Population Overview

Ogle County is located in Illinois with a total population of 51,536. It is the 28th most populous county out of 102 in Illinois.

Age Demographics

The median age in Ogle County is 42.0 years. This is 8% higher than the state median of 38.9 years.

Economy, Income & Housing

The median household income in Ogle County is $79,244. This is 3% lower than the state median of $81,702. Compared to the national median of $78,538, household income here is about average. The poverty rate stands at 8.9%. This is 24% lower than the state poverty rate of 11.7%. The unemployment rate is 5.3%. This is 8% lower than the state rate of 5.8%. The median home value is $184,100. Housing costs are 27% lower than the state median of $250,500. With a home-value-to-income ratio of just 2.3x, Ogle County is one of the most affordable housing markets in the area. 74.5% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 66.8%.

Race & Ethnicity

The largest racial or ethnic group in Ogle County is White (non-Hispanic), making up 83.8% of the population. Hispanic or Latino residents account for 11.5%. The Black or African American population (1.2%) is well below the state average of 13.6%. The Asian population (0.4%) is well below the state average of 5.8%.

Education

24.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 35% 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 91.0%.