Johnston, IA 50131 ZIP Code Profile

Related Place Profiles:
Camp Dodge, IA | Johnston, IA | Urbandale, IA

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ZIP Code 50131: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Johnston, IA 50131

Acceptable Alternative
Urbandale, IA 50131

Not Acceptable, USPS
Camp Dodge, IA 50131

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 709
  • Single Family Addresses: 7,115
  • Multi-Family Addresses: 1,007
  • County: Polk County
  • Centroid: Latitude 41.683, Longitude -93.71
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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50131 ZIP Code Map

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Johnston, IA 50131 Data & Demographics (As of July 1, 2016)


Total Population 21,022
Population in Households 20,780
Population in Familes 17,881
Population in Group Qrtrs 242
Population Density1 923
Diversity Index2 23


Total Households 7,707
Average Household Size 2.7
Family Households 5,601
Average Family Size 3


Total Housing Units 7,903 (100%)
Owner Occupied HU 5,969 (75.5%)
Renter Occupied HU 1,738 (22.0%)
Vacant Housing Units 196 ( 2.5%)
Median Home Value $240,503
Average Home Value $288,847


Median Household Income $97,319
Average Household Income $124,843
Per Capita Income $45,940
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 3.03% 2.43%
Households 2.88% 2.33%
Families 2.74% 2.27%
Median Household Income   2.14%
Per Capita Income   1.89%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Johnston, IA 50131 - Peer Comparisons by Rank and Percentile

The table below compares 50131 to the other 963 ZIP Codes in Iowa by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 38 96th
Population Density1 # 69 93rd
Diversity Index2 # 132 86th
Median Household Income # 8 99th
Per Capita Income # 9 99th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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