ZipCodeLook
50057

Zip code 50057: Columbia, Iowa

Residential delivery areaMarion CountyCentral Time
Population
327
Small sample: rough estimates
Median household income
$119K
U.S. $81K
Median home value
$221K
U.S. $333K
Median rent
—
U.S. $1,413
Median age
47.1
U.S. 38.9
Land area
19 sq mi
18 people/sq mi

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

About 50057

50057 is a rural zip code in Columbia, Iowa (Marion County), covering 19 sq mi of land. About 327 people live here, or 18 per square mile. The median resident is 47.1 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 $118,882 a year, 47% above the national median of $80,734. 6.1% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $221,300, or 1.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 88% of occupied homes are lived in by their owners.

22% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 16.7 minutes each way, and 4% of workers work from home. The most common jobs among working residents are in farming, fishing and forestry; management; and office and administrative support. 18% of them are self-employed (U.S.: 10%).

How 50057 compares

Sorted from highest to lowest national percentile

Only about 327 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
47.1
Under 18
26%
65 and over
6.1%

Race and ethnicity

  • White97%
  • Black0%
  • Hispanic0%
  • Asian0%
  • Native American0%
  • Pacific Islander0%
  • Other3%
  • Multiracial0%
Diversity index
6.5
U.S. 61.4
Foreign-born
0%
U.S. 14.1%
Born in state
78.9%

Language spoken at home (households)

English only
100%
Spanish
0%
Other Indo-European
0%
Asian / Pacific
0%
Other
0%

Households

Households
89
Average household size
3.7
Family households
77.5%
Married couples
77.5%
Living alone
22.5%
Veterans (of adults)
9.9%
Male / female
43% / 57%

Income and poverty

Household income distribution

<$25k
22%
$25–50k
16%
$50–75k
0%
$75–100k
0%
$100–150k
34%
$150–200k
28%
$200k+
0%

Median household income

50057
$118,882
Marion Co.
$78,680
Iowa
$75,059
United States
$80,734
Per capita income
$26,905
U.S. $44,673
Poverty rate
6.1%
U.S. 12.5%
Households earning $150K+
28.1%
U.S. 23%
Income inequality (Gini)
0.380
U.S. 0.483

Housing

Median home value

50057
$221,300
Marion Co.
$233,000
Iowa
$208,000
United States
$332,700

Median gross rent

50057
—
Marion Co.
$884
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
144
Owner-occupied
87.6%
Vacant
38.2%
Median year built
1939 or earlier
Median rooms
6
Renters paying 30%+ of income
0%
Renters paying 50%+ of income
0%
Home value to income
1.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
51%
Carpooled
46%
Transit
0%
Walked
0%
Bicycle
0%
Worked from home
4%
Other
0%

Commute time (one way)

<10 min
42%
10–19
22%
20–29
13%
30–44
23%
45–59
0%
60+
0%
Average commute
16.7 min
U.S. 26.4 min
Unemployment
0%
U.S. 5.2%
In labor force
77%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Farming, fishing and forestry
25%
Management
21%
Office and admin
16%
Transportation and moving
16%
Engineering and science
12%
Construction and repair
10%
Business and finance
0%
Computer and math
0%
Education
0%
Legal and social services
0%
Arts, media and sports
0%
Healthcare
0%
Police and fire
0%
Food service
0%
Cleaning and personal care
0%
Sales
0%
Production
0%

Industries

Agriculture and mining
38%
Manufacturing
23%
Construction
10%
Retail
10%
Finance, insurance and real estate
8%
Transportation, warehousing and utilities
5%
Public administration
5%
Professional and technical services
2%
Health care and social assistance
0%
Education
0%
Restaurants and hotels
0%
Admin, support and management
0%
Other services
0%
Wholesale
0%
Information
0%
Arts and recreation
0%
Median earnings per worker
$37,625
U.S. $49,666
Self-employed
18.2%
U.S. 10%
Government workers
4.5%
U.S. 14.5%
Nonprofit workers
0%
U.S. 8.8%

Median earnings by type of work

Type of work50057U.S.
Management, business, science and arts$66,094$74,888
Service—$26,804
Sales and office$24,145$40,476
Construction and maintenance$6,429$49,199
Production and transportation$73,523$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
12%
High school
34%
Some college
18%
Associate's
14%
Bachelor's
22%
Graduate
0%
High school graduate or higher
88%
Bachelor's degree or higher
21.7%
Graduate or professional degree
0%
Households with broadband
100%
Cable, fiber or DSL
18%
No internet access
0%
Without health insurance
0%
Limited-English households
0%

Geography

City (USPS)
Columbia
State
Iowa
Center point
41.1799° N, 93.1343° W
Land area
19 sq mi
Water area
under 0.1 sq mi
Time zone
Central Time (UTC-6, UTC-5 in summer)
Zip type
Residential delivery area

Zip codes near 50057

ZipCityDistanceIncome
50163Melcher Dallas6.3 mi$73,618
50062Melcher Dallas6.9 mi$51,146
50116Hamilton7.9 mi$47,143
50138Knoxville8.6 mi$74,693
50272Williamson9 mi$45,000
50150Lovilia9.1 mi$63,516
50139Lacona12 mi$72,400
50044Bussey12 mi$75,417
50049Chariton13 mi$61,190
50256Tracy13 mi$83,438
50119Harvey14 mi$59,750
52569Melrose15 mi$51,477

Questions about 50057

What city is zip code 50057?

50057 is assigned to Columbia, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 50057 in?

50057 is in Marion County, Iowa.

What is the population of 50057?

About 327 people live in 50057, according to the Census Bureau's American Community Survey.

What time zone is 50057 in?

50057 is in Central Time.

What is the median household income in 50057?

The median household income in 50057 is $118,882.

What zip codes are near 50057?

The closest zip codes to 50057 are 50163, 50062, 50116, 50138, 50272.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 50057, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.