Decatur City, IA Profile: Facts & Data


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Decatur City, Iowa - Basic Facts

The City of Decatur City had a population of 191 as of July 1, 2018.

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, 2018.

Alternate Unofficial Names for Decatur City: Decatur.

Jump to... (On This Page!)
  1. Decatur City 2018 Demographic Data
  2. Growth Rates for Decatur City (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Iowa Research Tools (Easy Tools & Current Data)
  3. Iowa Data Comparison Tool - 2018 Demographics

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


Total Population 191
Population in Households 191
Population in Familes 159
Population in Group Qrtrs 0
Population Density2 481
Diversity Index3 9


Median Household Income $37,069
Average Household Income $59,392
Per Capita Income $23,010


Total Housing Units 91 (100%)
Owner Occupied HU 59 (64.8%)
Renter Occupied HU 16 (17.6%)
Vacant Housing Units 16 (17.6%)
Median Home Value $97,368
Average Home Value $186,250


Total Households 75
Average Household Size 2.55
Family Households 52
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population -0.37% -0.74%
Households -0.47% -0.81%
Families -0.23% -1.18%
Median Household Income   2.37%
Per Capita Income   2.48%

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, 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 # 709 30th
Population Density # 662 34th
Diversity Index # 568 43rd
Median Household Income # 993 2nd
Per Capita Income # 946 6th

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

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Iowa Census Data Comparison Tool

Compare Iowa July 1, 2018 Data
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