Demographics in Johnston, IA
Population, age, race, ethnicity, and household statistics — 2023 ACS Data
Where is Johnston?
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Population
Source: U.S. Census Bureau ACS (2023)Total Population
24,196
Male
11,875
49.1%
Female
12,321
50.9%
Median Age
38.4
Race & Ethnicity
Source: U.S. Census Bureau ACS (2023)White80.3%
Black8.6%
Hispanic2.1%
Asian7.2%
Two or More3.0%
Other0.7%
Education & Household
Source: U.S. Census Bureau ACS (2023)Bachelor's or Higher
37.5%
High School or Higher
46.9%
Foreign Born
8.9%
Veterans
3.8%
Married
46.7%
Avg Household Size
2.5
Marital Status by Age
Source: U.S. Census Bureau ACS (2023)Johnston, IA has a population of 24,196 with a median age of 38.4. The racial makeup is 80.3% White, 2.1% Hispanic, 8.6% Black, 7.2% Asian. About 37.5% of residents hold a bachelor's degree or higher. The foreign-born population is 8.9%.