Diagonal, IA Profile: Facts, Map & Data


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Diagonal, Iowa - Basic Facts

The City of Diagonal had a population of 361 as of July 1, 2016.

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, 2016.

Neighborhood Data

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City of Diagonal, IA Boundary Map

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Boundary Maps: Township of Washington | Ringgold County | Iowa Counties

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Diagonal, IA Data & Demographics (As of July 1, 2016)


Total Population 361
Population in Households 341
Population in Familes 291
Population in Group Qrtrs 20
Population Density1 399
Diversity Index2 13


Total Households 131
Average Household Size 2.6
Family Households 92
Average Family Size 3


Total Housing Units 153 (100%)
Owner Occupied HU 105 (68.6%)
Renter Occupied HU 26 (17.0%)
Vacant Housing Units 22 (14.4%)
Median Home Value $115,000
Average Home Value $201,179


Median Household Income $45,633
Average Household Income $62,734
Per Capita Income $23,403
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.45% 0.82%
Households 1.55% 0.9%
Families 4.23% 0.85%
Median Household Income   0.73%
Per Capita Income   2.52%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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, 2016 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 # 550 46th
Population Density1 # 710 30th
Diversity Index2 # 301 70th
Median Household Income # 760 25th
Per Capita Income # 822 19th

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

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