Red Oak, IA Profile: Facts & Data


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Red Oak, Iowa - Basic Facts

The City of Red Oak had a population of 5,490 as of July 1, 2018. Red Oak ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Iowa. See peer rankings below.

The primary coordinate point for Red Oak is located at latitude 41.0141 and longitude -95.2244 in Montgomery County. The formal boundaries for the City of Red Oak (see map below) encompass a land area of 3.95 sq. miles and a water area of 0.06 sq. miles. Montgomery County is in the Central time zone (GMT -6). The elevation is 1,050 feet.

The City of Red Oak (GNIS ID: 2396337) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Red Oak is located within Township of Red Oak, a minor civil division (MCD) of Montgomery County.

Beneath the boundary map are tables with Red Oak population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Red Oak: Red Oak Junction.

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Red Oak, IA Data & Demographics (As of July 1, 2018)


Total Population 5,490
Population in Households 5,373
Population in Familes 4,028
Population in Group Qrtrs 117
Population Density1 1,391
Diversity Index2 18


Median Household Income $39,633
Average Household Income $53,573
Per Capita Income $23,207


Total Housing Units 2,850 (100%)
Owner Occupied HU 1,430 (50.2%)
Renter Occupied HU 942 (33.1%)
Vacant Housing Units 478 (16.8%)
Median Home Value $86,240
Average Home Value $112,552


Total Households 2,372
Average Household Size 2.27
Family Households 1,409
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 -0.54% -0.5%
Households -0.54% -0.53%
Families -0.55% -0.63%
Median Household Income   0.66%
Per Capita Income   1.35%

Red Oak, IA - Peer Comparisons by Rank and Percentile

The table below compares Red Oak to the other 1,009 incorporated cities, towns and CDPs 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 # 68 93rd
Population Density # 130 87th
Diversity Index # 197 80th
Median Household Income # 974 4th
Per Capita Income # 942 7th

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

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