Red Oak, IA 51566 ZIP Code Profile

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Red Oak, IA

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ZIP Code 51566: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Red Oak, IA 51566

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 305
  • Single Family Addresses: 2,895
  • Multi-Family Addresses: 169
  • County: Montgomery County
  • Centroid: Latitude 41.01, Longitude -95.223
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 51566 has segments in 3 Counties (Montgomery, Page, Pottawattamie).

Neighborhood Data

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51566 ZIP Code Map

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Red Oak, IA 51566 Data & Demographics (As of July 1, 2017)


Total Population 6,706
Daytime Population: Workers 3,935
Daytime Population: Residents 3,868
Total Daytime Population (TDP) 7,803
Ratio TDP/Total Population1 1.16
Population in Households 6,578
Population in Familes 5,070
Population in Group Qrtrs 128
Population Density2 40
Diversity Index3 17


Median Household Income $44,902
Average Household Income $57,609
Per Capita Income $24,978


Total Housing Units 3,437 (100%)
Owner Occupied HU 1,924 (56.0%)
Renter Occupied HU 960 (27.9%)
Vacant Housing Units 553 (16.1%)
Median Home Value $92,583
Average Home Value $123,558


Total Households 2,884
Average Household Size 2.28
Family Households 1,767
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 -0.48% -0.68%
Households -0.47% -0.67%
Families -0.66% -0.77%
Median Household Income   2.75%
Per Capita Income   2.54%

Red Oak, IA 51566 - Peer Comparisons by Rank and Percentile

The table below compares 51566 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 # 114 88th
Population Density # 308 68th
Diversity Index # 209 78th
Median Household Income # 854 11th
Per Capita Income # 759 21st

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

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