Diagonal, IA Profile: Facts & Data


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Diagonal, Iowa - Basic Facts

The City of Diagonal had a population of 335 as of July 1, 2018. Diagonal ranks in the upper quartile for 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 Diagonal is located at latitude 40.8109 and longitude -94.3419 in Ringgold County. The formal boundaries for the City of Diagonal (see map below) encompass a land area of 0.9 sq. miles and a water area of 0 sq. miles. Ringgold County is in the Central time zone (GMT -6). The elevation is 1,158 feet.

The City of Diagonal (GNIS ID: 2394532) 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 Diagonal is located within Township of Washington, a minor civil division (MCD) of Ringgold County.

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

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


Total Population 335
Population in Households 315
Population in Familes 266
Population in Group Qrtrs 20
Population Density1 371
Diversity Index2 19


Median Household Income $51,995
Average Household Income $62,766
Per Capita Income $23,339


Total Housing Units 147 (100%)
Owner Occupied HU 94 (63.9%)
Renter Occupied HU 26 (17.7%)
Vacant Housing Units 27 (18.4%)
Median Home Value $121,429
Average Home Value $198,936


Total Households 120
Average Household Size 2.63
Family Households 84
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 0.18% 0.0%
Households 0.1% 0.0%
Families 2.06% 0.0%
Median Household Income   2.39%
Per Capita Income   2.5%

Diagonal, IA - Peer Comparisons by Rank and Percentile

The table below compares Diagonal 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 # 570 44th
Population Density # 726 28th
Diversity Index # 193 81st
Median Household Income # 657 35th
Per Capita Income # 936 7th

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

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Compare Iowa July 1, 2018 Data
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