DeKalb County, Indiana Demographics 2026

Population Overview

DeKalb County is located in Indiana with a total population of 43,584. It is the 35th most populous county out of 92 in Indiana.

Age Demographics

The median age in DeKalb County is 38.4 years. This is 1% higher than the state median of 38.0 years.

Economy, Income & Housing

The median household income in DeKalb County is $70,080. This is about average than the state median of $70,051. Compared to the national median of $78,538, household income here is 11% lower. The poverty rate stands at 10.1%. This is 17% lower than the state poverty rate of 12.2%. The unemployment rate is 4.1%. This is 4% lower than the state rate of 4.3%. The median home value is $177,900. Housing costs are 12% lower than the state median of $201,600. With a home-value-to-income ratio of just 2.5x, DeKalb County is one of the most affordable housing markets in the area. 82.3% of occupied housing units are owner-occupied. This homeownership rate is 17% higher than the state average of 70.3%.

Race & Ethnicity

DeKalb County has a predominantly White (non-Hispanic) population, comprising 93.9% of all residents. Hispanic or Latino residents account for 2.9%. The Black or African American population (0.2%) is well below the state average of 9.1%. The Hispanic or Latino population (2.9%) is well below the state average of 8.4%. The Asian population (0.5%) is well below the state average of 2.5%.

Education

20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 28.8%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.3%.