Polk City, IA 50226 ZIP Code Profile

Related Place Profiles:
Crocker, IA | Polk City, IA

ZIP Code 50226: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Polk City, IA 50226

Not Acceptable, USPS
Crocker, IA 50226

  • ZIP Code Type: STANDARD
  • County: Polk County
  • Centroid: Latitude 41.783, Longitude -93.705
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 50226 has segments in 2 Counties (Boone, Polk).

  • Businesses Addresses: 125
  • PO Box Addresses: 166
  • Residential Addresses: 2,105
    • Multi-Family Addresses: 25
    • Single Family Addresses: 2,080

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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Polk City, IA 50226 Data & Demographics (As of July 1, 2018)


Total Population 6,052
Population in Households 6,018
Population in Familes 5,369
Population in Group Qrtrs 34
Population Density1 134
Diversity Index2 10


Median Household Income $108,929
Average Household Income $127,939
Per Capita Income $45,258


Total Housing Units 2,183 (100%)
Owner Occupied HU 1,872 (85.8%)
Renter Occupied HU 265 (12.1%)
Vacant Housing Units 46 ( 2.1%)
Median Home Value $282,168
Average Home Value $319,338


Total Households 2,137
Average Household Size 2.82
Family Households 1,712
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 3.23% 2.73%
Households 3.2% 2.63%
Families 3.06% 2.56%
Median Household Income   0.64%
Per Capita Income   1.61%

Polk City, IA 50226 - Peer Comparisons by Rank and Percentile

The table below compares 50226 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 # 125 87th
Population Density # 177 82nd
Diversity Index # 523 46th
Median Household Income # 5 100th
Per Capita Income # 20 98th

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

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