Defiance, IA 51527 ZIP Code Profile

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Defiance, IA

ZIP Code 51527: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Defiance, IA 51527

  • ZIP Code Type: STANDARD
  • County: Shelby County
  • Centroid: Latitude 41.827, Longitude -95.342
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 51527 has segments in 2 Counties (Crawford, Shelby).

  • Businesses Addresses: 22
  • PO Box Addresses: 119
  • Residential Addresses: 104
    • Multi-Family Addresses: 0
    • Single Family Addresses: 104

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2019, Maps updated: August 2, 2019.

Jump to... (On This Page!)
  1. 51527 2019 Demographic Data
  2. Growth Rates for 51527 (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 - 2019 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Defiance, IA 51527 Data & Demographics (As of July 1, 2019)


Total Population 597
Population in Households 592
Population in Familes 504
Population in Group Qrtrs 5
Population Density2 13
Diversity Index3 12


Median Household Income $53,956
Average Household Income $67,263
Per Capita Income $26,596


Total Housing Units 261 (100%)
Owner Occupied HU 198 (75.9%)
Renter Occupied HU 38 (14.6%)
Vacant Housing Units 25 ( 9.6%)
Median Home Value $120,652
Average Home Value $148,864


Total Households 236
Average Household Size 2.51
Family Households 169
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.


2010-2019 2019-2024
Population -0.27% -0.37%
Households -0.09% -0.34%
Families -0.25% -0.36%
Median Household Income   2.92%
Per Capita Income   2.95%

Defiance, IA 51527 - Peer Comparisons by Rank and Percentile

The table below compares 51527 to the other 969 ZIP Codes in Iowa by rank and percentile using July 1, 2019 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 # 638 34th
Population Density # 735 24th
Diversity Index # 439 55th
Median Household Income # 685 29th
Per Capita Income # 797 18th

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

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