Grinnell, IA 50112 ZIP Code Profile

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Grinnell, IA

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ZIP Code 50112: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Grinnell, IA 50112

Acceptable Alternative
Oakland Acres, IA 50112

Not Acceptable, USPS
Newburg, IA 50112

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 455
  • Single Family Addresses: 3,969
  • Multi-Family Addresses: 634
  • County: Poweshiek County
  • Centroid: Latitude 41.767, Longitude -92.765
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 50112 has segments in 2 Counties (Jasper, Poweshiek).

Neighborhood Data

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50112 ZIP Code Map

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Grinnell, IA 50112 Data & Demographics (As of July 1, 2016)


Total Population 11,374
Population in Households 9,881
Population in Familes 7,563
Population in Group Qrtrs 1,493
Population Density1 61
Diversity Index2 23


Total Households 4,368
Average Household Size 2.26
Family Households 2,630
Average Family Size 3


Total Housing Units 4,818 (100%)
Owner Occupied HU 2,929 (60.8%)
Renter Occupied HU 1,439 (29.9%)
Vacant Housing Units 450 ( 9.3%)
Median Home Value $150,639
Average Home Value $180,898


Median Household Income $54,704
Average Household Income $70,662
Per Capita Income $28,527
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -0.24% -0.12%
Households -0.35% -0.21%
Families -0.48% -0.27%
Median Household Income   1.96%
Per Capita Income   1.54%
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.

Grinnell, IA 50112 - Peer Comparisons by Rank and Percentile

The table below compares 50112 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 # 75 92nd
Population Density1 # 245 75th
Diversity Index2 # 139 86th
Median Household Income # 401 58th
Per Capita Income # 393 59th

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

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