Onslow, IA 52321 ZIP Code Profile

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Onslow, IA

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ZIP Code 52321: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Onslow, IA 52321

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 13
  • Single Family Addresses: 119
  • Multi-Family Addresses: 0
  • County: Jones County
  • Centroid: Latitude 42.127, Longitude -90.959
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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52321 ZIP Code Map

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Onslow, IA 52321 Data & Demographics (As of July 1, 2017)


Total Population 424
Daytime Population: Workers 78
Daytime Population: Residents 177
Total Daytime Population (TDP) 255
Ratio TDP/Total Population1 0.60
Population in Households 421
Population in Familes 352
Population in Group Qrtrs 3
Population Density2 14
Diversity Index3 7


Median Household Income $57,858
Average Household Income $70,355
Per Capita Income $30,954


Total Housing Units 207 (100%)
Owner Occupied HU 148 (71.5%)
Renter Occupied HU 38 (18.4%)
Vacant Housing Units 21 (10.1%)
Median Home Value $140,000
Average Home Value $194,257


Total Households 186
Average Household Size 2.26
Family Households 132
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 0.2% -0.05%
Households 0.22% 0.0%
Families 0.21% -0.15%
Median Household Income   1.82%
Per Capita Income   2.73%

Onslow, IA 52321 - Peer Comparisons by Rank and Percentile

The table below compares 52321 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 # 737 24th
Population Density # 671 31st
Diversity Index # 697 27th
Median Household Income # 310 68th
Per Capita Income # 250 74th

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

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