Madison County, IA — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
16,760
Male
8,548
51.0%
Female
8,212
49.0%
Median Age
41.0 yrs
Avg Household Size
2.5
Foreign Born
1.4%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher17.4%
High School or Higher40.3%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
5.6%
Disability
0.0%
Non-English Home
3.2%
Married
46.5%
Madison County, IA has a population of 16,760 according to 2023 Census Bureau estimates. The median age is 41.0 years. The largest racial or ethnic group is White at 95.7% of the population. 17.4% of residents hold a bachelor's degree or higher. 1.4% of residents are foreign-born.