Median Household Income
$106,551 ± $10,761
Median Home Value
$369,100 ± $16,483
Median Gross Rent
$1,338 ± $72/mo
Per Capita Income
$57,529
Poverty Rate
10.2%
Unemployment Rate
2.1%
Homeownership Rate
70.8%
Bachelor's Degree or Higher
57.8%
Median Age
37.4
Average Commute
17 min
Households
9,259
Veterans
830
Population Over Time
Johnston grew 29.2% from 2014 to 2024.
2014
18,874
2016
19,491
2018
20,767
2020
22,077
2022
23,856
2024
24,384
Population by Race & Ethnicity
White
76.6%
Hispanic or Latino
2.7%
Black or African American
10.6%
Asian
7.3%
Nearby Cities in Iowa
Source: U.S. Census Bureau, American Community Survey, ACS 2020-2024. Estimates carry a margin of error (shown as ±) inherent to ACS's sample-based methodology.