50057 ZIP Code, Columbia, IA

50057 is a ZIP code in Columbia, Iowa in Marion County. It covers 19 square miles of land. The closest ZIP codes are 50163, 50062 and 50116. 327 people live here in 89 households, fewer than in most Iowa ZIP codes. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (88%). Median household income is $118,882, well above the Iowa median of $75,059; the median age is 47.1, older than most ZIP codes.

Quick facts

Key figures

MeasureValue
Residents327
Households89
Median household income$118,882
Income per person$26,905
Median age47.1
Homeowners87.6%
Median home value$221,300
Median rentnot published
Bachelor's degree or higher21.7%
Average commute (minutes)16.7
Households with kids under 1821.3%
Moved in the past year0.0%
Below the poverty line6.1%
Broadband internet100.0%
Speak a non-English language at home0.0%

Household income

% of householdsValue
<$10K22.5%
$10–15K0.0%
$15–25K0.0%
$25–35K15.7%
$35–50K0.0%
$50–75K0.0%
$75–100K0.0%
$100–150K33.7%
$150–200K28.1%
$200K+0.0%

Age

% of all residentsValue
<104.9%
10–1924.8%
20–2419.6%
25–340.0%
35–440.0%
45–5416.8%
55–6427.8%
65–746.1%
75+0.0%

Tenure

% of housing unitsValue
Owned, with mortgage25.0%
Owned outright29.2%
Rented7.6%
Vacant38.2%

Type of building

% of housing unitsValue
Detached house100.0%
Townhome0.0%
2–4 units0.0%
5–19 units0.0%
20+ units0.0%
Mobile / other0.0%

Businesses in 50057

5 business establishments with 10 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 50057 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 50057

Mail every home in 50057

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 50057, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 50057 in?
50057 is a Columbia, IA mailing address. None of its land lies inside a Census-defined city or community.
What county is 50057 in?
50057 is in Marion County.
What is the population of 50057?
About 327 people (±192), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 208.
What is the median household income in 50057?
$118,882 (±$112,524), compared with $75,059 for Iowa as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 50057?
EDDM2GO's stored route library does not include 50057 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 50057?
The closest, measured center to center: 50163 (6.3 mi, Melcher-Dallas), 50062 (6.9 mi, Melcher-Dallas), 50116 (7.9 mi, Marysville), 50138 (8.6 mi, Knoxville), 50272 (9 mi, Williamson) and 50150 (9.1 mi, Lovilia).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.