Williamson, IA 50272 ZIP Code Profile

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Williamson, IA

ZIP Code 50272: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Williamson, IA 50272

  • ZIP Code Type: PO BOX
  • County: Lucas County
  • Centroid: Latitude 41.115, Longitude -93.268
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 2
  • PO Box Addresses: 67
  • Residential Addresses: 1
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1

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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50272 ZIP Code Map

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Williamson, IA 50272 Data & Demographics (As of July 1, 2017)


Total Population 164
Daytime Population: Workers 4
Daytime Population: Residents 84
Total Daytime Population (TDP) 88
Ratio TDP/Total Population1 0.54
Population in Households 164
Population in Familes 139
Population in Group Qrtrs 0
Population Density2 238
Diversity Index3 9


Median Household Income $55,555
Average Household Income $68,723
Per Capita Income $28,495


Total Housing Units 82 (100%)
Owner Occupied HU 60 (73.2%)
Renter Occupied HU 8 ( 9.8%)
Vacant Housing Units 14 (17.1%)
Median Home Value $150,000
Average Home Value $215,000


Total Households 68
Average Household Size 2.41
Family Households 50
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 1.05% 0.48%
Households 1.06% 0.29%
Families 0.86% 0.0%
Median Household Income   3.74%
Per Capita Income   3.0%

Williamson, IA 50272 - Peer Comparisons by Rank and Percentile

The table below compares 50272 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 # 882 9th
Population Density # 140 86th
Diversity Index # 524 46th
Median Household Income # 430 56th
Per Capita Income # 432 55th

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

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