Union, IA 50258 ZIP Code Profile

Related Place Profiles:
Union, IA

ZIP Code 50258: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Union, IA 50258

  • ZIP Code Type: STANDARD
  • County: Hardin County
  • Centroid: Latitude 42.172, Longitude -93.085
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 50258 has segments in 2 Counties (Hardin, Marshall).

  • Businesses Addresses: 25
  • PO Box Addresses: 128
  • Residential Addresses: 212
    • Multi-Family Addresses: 0
    • Single Family Addresses: 212

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

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Union, IA 50258 Data & Demographics (As of July 1, 2018)


Total Population 827
Population in Households 827
Population in Familes 677
Population in Group Qrtrs 0
Population Density1 15
Diversity Index2 15


Median Household Income $55,766
Average Household Income $63,803
Per Capita Income $27,388


Total Housing Units 396 (100%)
Owner Occupied HU 298 (75.3%)
Renter Occupied HU 57 (14.4%)
Vacant Housing Units 41 (10.4%)
Median Home Value $89,912
Average Home Value $134,983


Total Households 355
Average Household Size 2.33
Family Households 243
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 -0.1% -0.07%
Households -0.07% -0.11%
Families -0.2% -0.17%
Median Household Income   1.06%
Per Capita Income   1.98%

Union, IA 50258 - Peer Comparisons by Rank and Percentile

The table below compares 50258 to the other 961 ZIP Codes in Iowa by rank and percentile using July 1, 2018 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 # 539 44th
Population Density # 652 32nd
Diversity Index # 278 71st
Median Household Income # 490 49th
Per Capita Income # 661 31st

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

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