Columbia, IA 50057 ZIP Code Profile

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Columbia, IA

ZIP Code 50057: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Columbia, IA 50057

  • ZIP Code Type: STANDARD
  • County: Marion County
  • Centroid: Latitude 41.182, Longitude -93.157
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 3
  • PO Box Addresses: 0
  • Residential Addresses: 81
    • Multi-Family Addresses: 0
    • Single Family Addresses: 81

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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50057 ZIP Code Map

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Columbia, IA 50057 Data & Demographics (As of July 1, 2017)


Total Population 233
Daytime Population: Workers 54
Daytime Population: Residents 112
Total Daytime Population (TDP) 166
Ratio TDP/Total Population1 0.71
Population in Households 233
Population in Familes 202
Population in Group Qrtrs 0
Population Density2 12
Diversity Index3 10


Median Household Income $62,997
Average Household Income $72,446
Per Capita Income $27,672


Total Housing Units 101 (100%)
Owner Occupied HU 79 (78.2%)
Renter Occupied HU 10 ( 9.9%)
Vacant Housing Units 12 (11.9%)
Median Home Value $164,130
Average Home Value $158,544


Total Households 89
Average Household Size 2.62
Family Households 67
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.3% 0.34%
Households 0.47% 0.45%
Families 0.21% 0.3%
Median Household Income   3.89%
Per Capita Income   2.66%

Columbia, IA 50057 - Peer Comparisons by Rank and Percentile

The table below compares 50057 to the other 963 ZIP Codes in Iowa by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 851 12th
Population Density # 763 20th
Diversity Index # 488 49th
Median Household Income # 167 83rd
Per Capita Income # 521 46th

Additional comparisons and rankings can be made with a VERY EASY TO USE Iowa Census Data Comparison Tool.

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