Rock Valley, IA 51247 ZIP Code Profile

Related Place Profiles:
Carmel, IA | Rock Valley, IA

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ZIP Code 51247: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Rock Valley, IA 51247

Not Acceptable, USPS
Carmel, IA 51247

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 210
  • Single Family Addresses: 1,744
  • Multi-Family Addresses: 135
  • County: Sioux County
  • Centroid: Latitude 43.205, Longitude -96.291
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 51247 has segments in 2 Counties (Lyon, Sioux).

Neighborhood Data

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51247 ZIP Code Map

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Rock Valley, IA 51247 Data & Demographics (As of July 1, 2016)


Total Population 5,161
Population in Households 5,065
Population in Familes 4,399
Population in Group Qrtrs 96
Population Density1 45
Diversity Index2 31


Total Households 1,846
Average Household Size 2.74
Family Households 1,335
Average Family Size 3


Total Housing Units 1,911 (100%)
Owner Occupied HU 1,477 (77.3%)
Renter Occupied HU 369 (19.3%)
Vacant Housing Units 65 ( 3.4%)
Median Home Value $149,559
Average Home Value $188,338


Median Household Income $53,454
Average Household Income $64,234
Per Capita Income $23,173
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.85% 0.86%
Households 0.84% 0.84%
Families 0.75% 0.77%
Median Household Income   1.69%
Per Capita Income   1.86%
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.

Rock Valley, IA 51247 - Peer Comparisons by Rank and Percentile

The table below compares 51247 to the other 963 ZIP Codes 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 # 138 86th
Population Density1 # 291 70th
Diversity Index2 # 80 92nd
Median Household Income # 471 51st
Per Capita Income # 861 11th

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

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