Hamilton County, IN — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
357,176
Male
175,572
49.2%
Female
181,604
50.8%
Median Age
38.0 yrs
Avg Household Size
2.7
Foreign Born
9.5%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher41.0%
High School or Higher50.4%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
3.6%
Disability
0.0%
Non-English Home
1.8%
Married
49.6%
Hamilton County, IN has a population of 357,176 according to 2023 Census Bureau estimates. The median age is 38.0 years. The largest racial or ethnic group is White at 81.6% of the population. 41.0% of residents hold a bachelor's degree or higher. 9.5% of residents are foreign-born.