Defiance, IA Profile: Facts, Map & Data


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Defiance, Iowa - Basic Facts

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The City of Defiance had a population of 291 as of July 1, 2016.

The primary coordinate point for Defiance is located at latitude 41.8254 and longitude -95.3404 in Shelby County. The formal boundaries for the City of Defiance (see map below) encompass a land area of 0.39 sq. miles and a water area of 0 sq. miles. Shelby County is in the Central time zone (GMT -6). The elevation is 1,273 feet.

The City of Defiance (GNIS ID: 2394493) 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 Defiance is located within Township of Union, a minor civil division (MCD) of Shelby County.

Beneath the boundary map are tables with Defiance 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 Defiance, IA Boundary Map

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Boundary Maps: Township of Union | Shelby County | Iowa Counties

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


Total Population 291
Population in Households 291
Population in Familes 251
Population in Group Qrtrs 0
Population Density1 739
Diversity Index2 11


Total Households 127
Average Household Size 2.29
Family Households 93
Average Family Size 3


Total Housing Units 137 (100%)
Owner Occupied HU 103 (75.2%)
Renter Occupied HU 23 (16.8%)
Vacant Housing Units 10 ( 7.3%)
Median Home Value $108,750
Average Home Value $130,583


Median Household Income $49,104
Average Household Income $60,207
Per Capita Income $25,181
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.39% 0.27%
Households 0.78% 0.47%
Families 2.03% 0.43%
Median Household Income   0.2%
Per Capita Income   2.23%
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.

Defiance, IA - Peer Comparisons by Rank and Percentile

The table below compares Defiance 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 # 606 40th
Population Density1 # 459 55th
Diversity Index2 # 388 62nd
Median Household Income # 641 37th
Per Capita Income # 657 35th

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

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