Decatur City, IA Profile: Facts, Map & Data


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Decatur City, Iowa - Basic Facts

The City of Decatur City had a population of 199 as of July 1, 2016.

The primary coordinate point for Decatur City is located at latitude 40.7421 and longitude -93.8328 in Decatur County. The formal boundaries for the City of Decatur City (see map below) encompass a land area of 0.4 sq. miles and a water area of 0 sq. miles. Decatur County is in the Central time zone (GMT -6). The elevation is 1,145 feet.

The City of Decatur City (GNIS ID: 2394482) 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 Decatur City is located within Township of Decatur, a minor civil division (MCD) of Decatur County.

Beneath the boundary map are tables with Decatur City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Decatur City: Decatur.

Neighborhood Data

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City of Decatur City, IA Boundary Map

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Boundary Maps: Township of Decatur | Decatur County | Iowa Counties

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


Total Population 199
Population in Households 199
Population in Familes 168
Population in Group Qrtrs 0
Population Density1 501
Diversity Index2 7


Total Households 78
Average Household Size 2.55
Family Households 54
Average Family Size 3


Total Housing Units 89 (100%)
Owner Occupied HU 61 (68.5%)
Renter Occupied HU 17 (19.1%)
Vacant Housing Units 11 (12.4%)
Median Home Value $90,385
Average Home Value $182,787


Median Household Income $35,000
Average Household Income $55,978
Per Capita Income $21,648
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.16% 0.0%
Households 0.0% -0.26%
Families 0.3% -0.37%
Median Household Income   0.0%
Per Capita Income   1.99%
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.

Decatur City, IA - Peer Comparisons by Rank and Percentile

The table below compares Decatur City 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 # 697 31st
Population Density1 # 651 36th
Diversity Index2 # 686 34th
Median Household Income # 997 1st
Per Capita Income # 933 8th

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

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