Washington County, IA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
22,539
Male
11,192
49.7%
Female
11,347
50.3%
Median Age
40.3 yrs
Avg Household Size
2.5
Foreign Born
3.7%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher16.9%
High School or Higher41.2%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
4.6%
Disability
0.0%
Non-English Home
4.6%
Married
45.0%
Washington County, IA has a population of 22,539 according to 2023 Census Bureau estimates. The median age is 40.3 years. The largest racial or ethnic group is White at 91.3% of the population. 16.9% of residents hold a bachelor's degree or higher. 3.7% of residents are foreign-born.