ZipCodeLook
50231

Zip code 50231: Randall, Iowa

Residential delivery areaHamilton CountyCentral Time
Population
142
Small sample: rough estimates
Median household income
$72K
U.S. $81K
Median home value
$111K
U.S. $333K
Median rent
—
U.S. $1,413
Median age
51.5
U.S. 38.9
Land area
0.5 sq mi
313 people/sq mi

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

About 50231

50231 is a small-town zip code in Randall, Iowa (Hamilton County), covering 0.5 sq mi of land. About 142 people live here, or 313 per square mile. The median resident is 51.5 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $72,321 a year, close to the national median of $80,734. 7.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $110,800, or 1.5 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 93% of occupied homes are lived in by their owners.

15% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 28.5 minutes each way, and 20% of workers work from home. The most common jobs among working residents are in production and manufacturing; engineering and science; and office and administrative support.

How 50231 compares

Sorted from highest to lowest national percentile

Only about 142 people live here, so these survey estimates have wide margins of error.

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
51.5
Under 18
21.1%
65 and over
26.8%

Race and ethnicity

  • White92%
  • Black0%
  • Hispanic6%
  • Asian2%
  • Native American0%
  • Pacific Islander0%
  • Other0%
  • Multiracial0%
Diversity index
14.5
U.S. 61.4
Foreign-born
5.6%
U.S. 14.1%
Born in state
66.2%

Language spoken at home (households)

English only
82%
Spanish
18%
Other Indo-European
0%
Asian / Pacific
0%
Other
0%

Households

Households
61
Average household size
2.3
Family households
75.4%
Married couples
70.5%
Living alone
23%
Veterans (of adults)
5.4%
Male / female
46% / 54%

Income and poverty

Household income distribution

<$25k
8%
$25–50k
10%
$50–75k
38%
$75–100k
10%
$100–150k
21%
$150–200k
7%
$200k+
7%

Median household income

50231
$72,321
Hamilton Co.
$72,432
Iowa
$75,059
United States
$80,734
Per capita income
$36,654
U.S. $44,673
Poverty rate
7.7%
U.S. 12.5%
Households earning $150K+
13.1%
U.S. 23%
Income inequality (Gini)
0.306
U.S. 0.483

Housing

Median home value

50231
$110,800
Hamilton Co.
$156,400
Iowa
$208,000
United States
$332,700

Median gross rent

50231
—
Hamilton Co.
$877
Iowa
$972
United States
$1,413

Types of housing

Single-family
100%
2–4 units
0%
5–19 units
0%
20+ units
0%
Mobile home
0%
Boat, RV, van
0%
Housing units
65
Owner-occupied
93.4%
Vacant
6.2%
Median year built
1939 or earlier
Median rooms
6.9
Renters paying 30%+ of income
100%
Renters paying 50%+ of income
50%
Home value to income
1.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
77%
Carpooled
3%
Transit
0%
Walked
0%
Bicycle
0%
Worked from home
20%
Other
0%

Commute time (one way)

<10 min
10%
10–19
12%
20–29
29%
30–44
39%
45–59
8%
60+
2%
Average commute
28.5 min
U.S. 26.4 min
Unemployment
1.6%
U.S. 5.2%
In labor force
55.3%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Production
19%
Engineering and science
18%
Office and admin
11%
Management
6%
Education
6%
Healthcare
6%
Sales
6%
Construction and repair
6%
Cleaning and personal care
5%
Legal and social services
3%
Food service
3%
Transportation and moving
3%
Business and finance
2%
Police and fire
2%
Farming, fishing and forestry
2%
Computer and math
0%
Arts, media and sports
0%

Industries

Manufacturing
21%
Public administration
19%
Health care and social assistance
15%
Construction
11%
Other services
11%
Retail
10%
Education
8%
Transportation, warehousing and utilities
2%
Arts and recreation
2%
Agriculture and mining
2%
Professional and technical services
0%
Restaurants and hotels
0%
Finance, insurance and real estate
0%
Admin, support and management
0%
Wholesale
0%
Information
0%
Median earnings per worker
$53,667
U.S. $49,666
Self-employed
9.7%
U.S. 10%
Government workers
25.8%
U.S. 14.5%
Nonprofit workers
4.8%
U.S. 8.8%

Median earnings by type of work

Type of work50231U.S.
Management, business, science and arts$80,625$74,888
Service$36,250$26,804
Sales and office$31,250$40,476
Construction and maintenance$28,750$49,199
Production and transportation$53,250$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
1%
High school
41%
Some college
23%
Associate's
20%
Bachelor's
10%
Graduate
5%
High school graduate or higher
99%
Bachelor's degree or higher
15.2%
Graduate or professional degree
4.8%
Households with broadband
98.4%
Cable, fiber or DSL
90.2%
No internet access
1.6%
Without health insurance
2.1%
Limited-English households
0%

Geography

City (USPS)
Randall
State
Iowa
Center point
42.2377° N, 93.6026° W
Land area
0.5 sq mi
Water area
under 0.1 sq mi
Time zone
Central Time (UTC-6, UTC-5 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Randall91% of zip

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

Zip codes near 50231

ZipCityDistanceIncome
50248Story City3.3 mi$100,864
50130Jewell5.7 mi$78,594
50075Ellsworth6.3 mi$81,250
50236Roland7.1 mi$85,046
50105Gilbert8.5 mi$130,083
50230Radcliffe8.9 mi$87,778
50246Stanhope9.8 mi$61,324
50102Garden City10 mi—
50132Kamrar12 mi$83,056
50154Mc Callsburg12 mi$69,219
50014Ames14 mi$60,731
50010Ames14 mi$65,398

Questions about 50231

What city is zip code 50231?

50231 is assigned to Randall, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 50231 in?

50231 is in Hamilton County, Iowa.

What is the population of 50231?

About 142 people live in 50231, according to the Census Bureau's American Community Survey.

What time zone is 50231 in?

50231 is in Central Time.

What is the median household income in 50231?

The median household income in 50231 is $72,321.

What zip codes are near 50231?

The closest zip codes to 50231 are 50248, 50130, 50075, 50236, 50105.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 50231, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.