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City Profile

Johnston, Iowa

Population: 24,064 · 1 ZIP code

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
24,064
People
Median age
37.4
Housing
Total households
9,259
Income
Median household income
$106,551
Housing
Total housing units
9,720
Employment
Employment rate
68.6%
Education
Bachelor’s degree or higher
57.8%
Healthcare
Insured population
98.3%
City details
Local time 01:01:37(CT)
LocationJohnston, IA
Population (ZIP areas)24,434(sum of local ZIP code populations)
Total ZIP codes1total
ZIP codes (by type)
1 Standard
CountyPolk
Area code
515
TimezoneCentral Time (CT)
Coordinates41.6967565, -93.7208081
Land area23.8 sq miles(61,622,732 m²)

Map of Johnston, Iowa with ZIP codes

Map of Johnston, Iowa and ZIP codes

ZIP Codes in Johnston

Explore the ZIP codes that make up Johnston. Analyze key demographics and population stats for the region using the comprehensive table below.

ZIPType
Median incomeHousehold
Population (ZIP)
50131Standard$106,55124,434

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP type legend

  • Standard: residential and business delivery areas
  • PO BOX: primarily post office boxes; population may be unavailable
  • Unique: high-volume organizations (universities, agencies, etc.)

Nearby cities

Other cities near Johnston, IA.

Grimes, IAUrbandale, IAWindsor Heights, IAGranger, IAAnkeny, IAPolk City, IAClive, IADes Moines, IA

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS