Winneshiek County, IA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
19,972
Male
10,109
50.6%
Female
9,863
49.4%
Median Age
42.2 yrs
Avg Household Size
2.2
Foreign Born
2.3%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher21.2%
High School or Higher42.5%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.6%
Disability
0.0%
Non-English Home
3.1%
Married
46.4%
Winneshiek County, IA has a population of 19,972 according to 2023 Census Bureau estimates. The median age is 42.2 years. The largest racial or ethnic group is White at 94.3% of the population. 21.2% of residents hold a bachelor's degree or higher. 2.3% of residents are foreign-born.