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ZIP Code 50131

Johnston, IA, Polk County

Population

24,583

Land area

23.7sq mi

People per sq mi

1,038

City

Johnston

ZIP 50131 and nearby ZIP codes

ZIP 50131 at a glance

  • ZIP 50131 (Johnston) is about 18 times as dense as Iowa as a whole.
  • The median household income is $106,551, 42% above the Iowa median of $75,059.
  • A typical owner-occupied home is valued at $369,400 (78% above Iowa) and median rent is $1,338 a month.

Local data for ZIP 50131

Counts from official public data

Housing and community stats

ZIP 50131, American Community Survey 2020-2024

Full profile

Median household income

$106,551

Poverty rate

10.1%

Median home value

$369,400

Prices +3.9% in a year

Median rent

$1,338/mo

Homeownership

71.1%

Bachelor's or higher

57.7%

Median age

37.5

Average commute

19.8 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

671

ZIP Business Patterns 2023

Employees

15,205

$1.32B annual payroll

PPP loans

$58.28M

736 loans

Campaign donations

$431K

23% D, 30% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 50131, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Moderate

Top: strong wind

Storm events since 1996

2,144

Countywide, mostly thunderstorm wind

Flood insurance policies

670

0.4% of homes, county

July high / Jan low

85° / 13°F

36.2 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in ZIP 50131, CDC PLACES estimates

All 40 measures

Obesity

34.0%

U.S. 33.3% +0.7 pts

Diabetes

8.7%

U.S. 12.1% -3.4 pts

Smoking

10.2%

U.S. 12.8% -2.6 pts

Uninsured (18-64)

4.9%

U.S. 11.1% -6.2 pts

Cities in ZIP 50131

ZIP codes near 50131

NameDistanceLand area (sq mi)
50111Grimes4.3 mi25.1
50023Ankeny4.9 mi21
50322Urbandale5.2 mi10.8
50109Granger5.6 mi19.4
50226Polk City6.1 mi36.4
50310Des Moines6.1 mi8
50313Saylorville6.3 mi18.1
50324Windsor Heights7.1 mi1.4
50323Urbandale7.3 mi10.1
50311Des Moines7.8 mi2.6
50021Ankeny8 mi24.1
50325Clive8.5 mi7.7

Frequently asked questions

What city is ZIP code 50131?
ZIP code 50131 is in Johnston, IA (Polk County).
What county is ZIP code 50131 in?
ZIP code 50131 is mostly in Polk County, Iowa.
How many people live in ZIP code 50131?
About 24,583 people live in the 50131 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.