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50131

Zip code 50131: Johnston, Iowa

Residential delivery areaPolk CountyCentral Time
Population
24,583
Median household income
$107K
U.S. $81K
Median home value
$369K
U.S. $333K
Median rent
$1,338/mo
U.S. $1,413
Median age
37.5
U.S. 38.9
Land area
24 sq mi
1,033 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 50131

50131 is a suburban zip code in Johnston, Iowa (Polk County), covering 24 sq mi of land. About 24,583 people live here, or 1,033 per square mile. The median resident is 37.5 years old, compared with 38.9 nationally.

The median household earns $106,551 a year, 32% above the national median of $80,734. 10.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $369,400, or 3.5 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 71% of occupied homes are lived in by their owners, and renters pay a median of $1,338 a month.

58% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 19.8 minutes each way, and 14% of workers work from home. The most common jobs among working residents are in management; business and finance; and healthcare.

How 50131 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
37.5
Under 18
30.3%
65 and over
15.5%

Race and ethnicity

  • White76%
  • Black11%
  • Hispanic3%
  • Asian7%
  • Native American0.1%
  • Pacific Islander0%
  • Other0.1%
  • Multiracial3%
Diversity index
40.4
U.S. 61.4
Foreign-born
9.4%
U.S. 14.1%
Born in state
63.4%

Language spoken at home (households)

English only
86%
Spanish
3%
Other Indo-European
4%
Asian / Pacific
4%
Other
3%

Households

Households
9,361
Average household size
2.6
Family households
70.7%
Married couples
58%
Living alone
24.2%
Veterans (of adults)
4.9%
Male / female
48% / 52%

Income and poverty

Household income distribution

<$25k
7%
$25–50k
14%
$50–75k
14%
$75–100k
11%
$100–150k
17%
$150–200k
12%
$200k+
25%

Median household income

50131
$106,551
Polk Co.
$83,576
Iowa
$75,059
United States
$80,734
Per capita income
$57,553
U.S. $44,673
Poverty rate
10.1%
U.S. 12.5%
Households earning $150K+
37.3%
U.S. 23%
Income inequality (Gini)
0.447
U.S. 0.483

Housing

Median home value

50131
$369,400
Polk Co.
$262,100
Iowa
$208,000
United States
$332,700

Median gross rent

50131
$1,338
Polk Co.
$1,149
Iowa
$972
United States
$1,413

Types of housing

Single-family
71%
2–4 units
1%
5–19 units
11%
20+ units
16%
Mobile home
0%
Boat, RV, van
0%
Housing units
9,822
Owner-occupied
71.1%
Vacant
4.7%
Median year built
2004
Median rooms
6.6
Renters paying 30%+ of income
46.1%
Renters paying 50%+ of income
25.8%
Home value to income
3.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
79%
Carpooled
6%
Transit
0.0%
Walked
0.9%
Bicycle
0.2%
Worked from home
14%
Other
0.6%

Commute time (one way)

<10 min
15%
10–19
31%
20–29
34%
30–44
14%
45–59
5%
60+
1%
Average commute
19.8 min
U.S. 26.4 min
Unemployment
2.1%
U.S. 5.2%
In labor force
71%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
14%
Business and finance
11%
Healthcare
11%
Education
10%
Office and admin
9%
Sales
8%
Computer and math
7%
Construction and repair
7%
Engineering and science
5%
Cleaning and personal care
4%
Food service
4%
Production
3%
Transportation and moving
3%
Legal and social services
2%
Arts, media and sports
2%
Police and fire
0.4%
Farming, fishing and forestry
0%

Industries

Finance, insurance and real estate
18%
Health care and social assistance
15%
Education
12%
Manufacturing
10%
Professional and technical services
7%
Retail
7%
Construction
4%
Public administration
4%
Transportation, warehousing and utilities
4%
Restaurants and hotels
3%
Wholesale
3%
Information
3%
Admin, support and management
2%
Other services
2%
Arts and recreation
2%
Agriculture and mining
2%
Median earnings per worker
$69,922
U.S. $49,666
Self-employed
7.1%
U.S. 10%
Government workers
13.8%
U.S. 14.5%
Nonprofit workers
13.6%
U.S. 8.8%

Median earnings by type of work

Type of work50131U.S.
Management, business, science and arts$92,779$74,888
Service$19,122$26,804
Sales and office$56,375$40,476
Construction and maintenance$49,247$49,199
Production and transportation$50,966$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
3%
High school
14%
Some college
18%
Associate's
7%
Bachelor's
36%
Graduate
22%
High school graduate or higher
96.8%
Bachelor's degree or higher
57.7%
Graduate or professional degree
21.9%
Households with broadband
93.3%
Cable, fiber or DSL
83.9%
No internet access
2.2%
Without health insurance
1.7%
Limited-English households
1.5%

Geography

City (USPS)
Johnston
State
Iowa
Center point
41.6968° N, 93.7208° W
Land area
24 sq mi
Water area
4.1 sq mi
Time zone
Central Time (UTC-6, UTC-5 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Johnston71% of zip
  • Urbandale2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 50131

ZipCityDistanceIncome
50111Grimes4.2 mi$120,769
50322Urbandale4.4 mi$92,085
50398Urbandale · PO box4.9 mi—
50023Ankeny5.1 mi$117,826
50310Des Moines5.4 mi$76,381
50313Des Moines5.7 mi$68,361
50324Windsor Heights6.4 mi$91,707
50109Granger6.6 mi$118,669
50323Urbandale6.6 mi$175,944
50226Polk City6.9 mi$153,011
50325Clive7 mi$132,121
50311Des Moines7.1 mi$61,957

Zip codes like 50131 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 50131

What city is zip code 50131?

50131 is assigned to Johnston, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 50131 in?

50131 is in Polk County, Iowa.

What is the population of 50131?

About 24,583 people live in 50131, according to the Census Bureau's American Community Survey.

What time zone is 50131 in?

50131 is in Central Time.

What is the median household income in 50131?

The median household income in 50131 is $106,551.

What zip codes are near 50131?

The closest zip codes to 50131 are 50111, 50322, 50398, 50023, 50310.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 50131, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.