Elk Horn, IA 51531 ZIP Code Profile

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Elk Horn, IA

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ZIP Code 51531: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Elk Horn, IA 51531

  • ZIP Code Type: STANDARD
  • County: Shelby County
  • Centroid: Latitude 41.595, Longitude -95.06
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 51531 has segments in 2 Counties (Audubon, Shelby).

  • Businesses Addresses: 45
  • PO Box Addresses: 157
  • Residential Addresses: 204
    • Multi-Family Addresses: 0
    • Single Family Addresses: 204

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


51531 ZIP Code Map

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Elk Horn, IA 51531 Data & Demographics (As of July 1, 2017)


Total Population 901
Daytime Population: Workers 592
Daytime Population: Residents 508
Total Daytime Population (TDP) 1,100
Ratio TDP/Total Population1 1.22
Population in Households 832
Population in Familes 668
Population in Group Qrtrs 69
Population Density2 30
Diversity Index3 11


Median Household Income $54,451
Average Household Income $61,815
Per Capita Income $24,755


Total Housing Units 390 (100%)
Owner Occupied HU 280 (71.8%)
Renter Occupied HU 69 (17.7%)
Vacant Housing Units 41 (10.5%)
Median Home Value $108,209
Average Home Value $166,696


Total Households 349
Average Household Size 2.38
Family Households 231
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population -0.54% -0.38%
Households -0.47% -0.35%
Families -0.7% -0.44%
Median Household Income   2.13%
Per Capita Income   2.5%

Elk Horn, IA 51531 - Peer Comparisons by Rank and Percentile

The table below compares 51531 to the other 963 ZIP Codes in Iowa by rank and percentile using July 1, 2017 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 # 513 47th
Population Density # 388 60th
Diversity Index # 447 54th
Median Household Income # 484 50th
Per Capita Income # 785 19th

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

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