Clayton County, IA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
17,069
Male
8,612
50.5%
Female
8,457
49.5%
Median Age
46.4 yrs
Avg Household Size
2.3
Foreign Born
2.1%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher11.3%
High School or Higher42.6%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.8%
Disability
0.0%
Non-English Home
6.6%
Married
46.2%
Clayton County, IA has a population of 17,069 according to 2023 Census Bureau estimates. The median age is 46.4 years. The largest racial or ethnic group is White at 95.9% of the population. 11.3% of residents hold a bachelor's degree or higher. 2.1% of residents are foreign-born.