Delaware County, IA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
17,549
Male
8,923
50.8%
Female
8,626
49.2%
Median Age
44.0 yrs
Avg Household Size
2.4
Foreign Born
0.2%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher13.7%
High School or Higher43.9%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
4.5%
Disability
0.0%
Non-English Home
5.4%
Married
47.8%
Delaware County, IA has a population of 17,549 according to 2023 Census Bureau estimates. The median age is 44.0 years. The largest racial or ethnic group is White at 95.6% of the population. 13.7% of residents hold a bachelor's degree or higher. 0.2% of residents are foreign-born.