Delaware County, Indiana Demographics 2026

Population Overview

Delaware County is located in Indiana with a total population of 112,280. It is the 15th most populous county out of 92 in Indiana. The county encompasses 7 Census-designated places.

Age Demographics

The median age in Delaware County is 35.8 years. This is 6% lower than the state median of 38.1 years.

Economy, Income & Housing

The median household income in Delaware County is $58,127. This is 19% lower than the state median of $71,957. It is also 28% lower than the national median of $80,734. The poverty rate stands at 19.7%. This is 59% higher than the state poverty rate of 12.3%. The unemployment rate is 5.8%. This is 35% higher than the state rate of 4.3%. The median home value is $139,400. Housing costs are 36% lower than the state median of $218,200. With a home-value-to-income ratio of just 2.4x, Delaware County is one of the most affordable housing markets in the area. 66.5% of occupied housing units are owner-occupied. This homeownership rate is 6% lower than the state average of 70.5%.

Race & Ethnicity

The largest racial or ethnic group in Delaware County is White (non-Hispanic), making up 84.3% of the population. Black or African American residents account for 5.2%. The Hispanic or Latino population (3.3%) is well below the state average of 8.6%.

Education

26.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% lower than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.5%.

Data Sources & Methodology

All figures for Delaware County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Indiana and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.