Cromwell, IA 50842 ZIP Code Profile

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Cromwell, IA

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ZIP Code 50842: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Cromwell, IA 50842

  • ZIP Code Type: STANDARD
  • County: Union County
  • Centroid: Latitude 41.078, Longitude -94.392
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 4
  • PO Box Addresses: 0
  • Residential Addresses: 43
    • Multi-Family Addresses: 0
    • Single Family Addresses: 43

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

EXTREMELY LOCAL Demographic Data

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50842 ZIP Code Map

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Cromwell, IA 50842 Data & Demographics (As of July 1, 2017)


Total Population 102
Daytime Population: Workers 5
Daytime Population: Residents 47
Total Daytime Population (TDP) 52
Ratio TDP/Total Population1 0.51
Population in Households 102
Population in Familes 86
Population in Group Qrtrs 0
Population Density2 397
Diversity Index3 4


Median Household Income $61,237
Average Household Income $71,163
Per Capita Income $27,907


Total Housing Units 45 (100%)
Owner Occupied HU 33 (73.3%)
Renter Occupied HU 7 (15.6%)
Vacant Housing Units 5 (11.1%)
Median Home Value $125,000
Average Home Value $150,758


Total Households 40
Average Household Size 2.55
Family Households 29
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 -0.4% -0.8%
Households -0.34% -1.02%
Families -0.47% -1.42%
Median Household Income   4.14%
Per Capita Income   2.65%

Cromwell, IA 50842 - Peer Comparisons by Rank and Percentile

The table below compares 50842 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 # 914 5th
Population Density # 114 88th
Diversity Index # 903 6th
Median Household Income # 207 79th
Per Capita Income # 493 49th

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

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