Residential delivery area · Iowa
ZIP Code 50057: Columbia, IA
ZIP code 50057 uses the postal name Columbia, Iowa and lies entirely in Marion County (Census 2020 ZIP-county file). About 330 people live there (Census Bureau, ACS 2020-2024). Median household income is $118,882 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- Town
- Columbia · its only residential ZIP
- County
- Marion County
- Micro area
- Pella, IA
- House district
- IA-1 119th Congress
- State
- Iowa
- Time zone
- Central
- Land area
- 18.6 sq mi · 18 people per sq mi
Where is ZIP code 50057?
50057 centers on 41.180°, -93.134° and covers 18.6 square miles of land plus 0.0 of water. It borders 5 ZIP codes: 50062, 50138, 50150, 50139, 50049.
The map draws ZIP code areas only. For the streets inside 50057, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 50057 compare with the rest of Marion County?
| Measure | 50057 | In Marion County | In IA |
|---|---|---|---|
| People (ACS 2020-2024) | 327 | 15th of 17 | 782nd of 970 |
| Median household income | $119k | not ranked | not ranked |
| Median home value | $221k | not ranked | not ranked |
50057's income and home value are not ranked: it has fewer than 1,000 residents (327). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 24% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 50057?
The 2020 Census counted 208 people in 50057; the ACS, which samples households over 2020-2024, estimates 327. Between the 2010 and 2020 censuses its population fell 12.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 327±192 (90% margin)
- 2020 Census count
- 208−12.6% since 2010 (238)
- Households
- 89
- Median age
- 47.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 50057?
Of the 327 people the ACS estimates in 50057, 26.0% are under 18 and 6.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (96.6%).
- Under 1826.0%
- 18 to 6467.9%
- 65 and older6.1%
- White, not Hispanic96.6%
- Other or two or more3.4%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 50057 earn?
Median household income is $118,882 (ACS 2020-2024).
- Median household income
- $118,882±$112,524
- Income per person
- $26,905
- Below the poverty line
- 6.1%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 21.7%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 50057?
- Median home value (owners' estimate)
- $221,300
- Median gross rent
- –
- Homes owned by their occupants
- 87.6%
- Housing units
- 144
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 50057?
5 business establishments had a location in this ZIP code in 2023, the same count as in 2018 (ZIP Code Business Patterns).
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 50057?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 50062 | Melcher Dallas | 789 | $51k | 6.9 mi |
| 50138 | Knoxville | 11,117 | $75k | 8.6 mi |
| 50150 | Lovilia | 736 | $64k | 9.1 mi |
| 50139 | Lacona | 1,025 | $72k | 11.7 mi |
| 50049 | Chariton | 6,414 | $61k | 13.1 mi |
| 50163 | Melcher Dallas | 689 | $74k | 6.3 mi (near) |
| 50116 | Hamilton | 261 | $47k | 7.9 mi (near) |
| 50272 | Williamson | 190 | $45k | 9.0 mi (near) |
| 50044 | Bussey | 901 | $75k | 12.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.