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, 2017)


Total Population 11,241
Daytime Population: Workers 8,016
Daytime Population: Residents 5,409
Total Daytime Population (TDP) 13,425
Ratio TDP/Total Population1 1.19
Population in Households 9,736
Population in Familes 7,424
Population in Group Qrtrs 1,505
Population Density2 61
Diversity Index3 25


Median Household Income $57,542
Average Household Income $73,063
Per Capita Income $29,334


Total Housing Units 4,787 (100%)
Owner Occupied HU 2,891 (60.4%)
Renter Occupied HU 1,404 (29.3%)
Vacant Housing Units 492 (10.3%)
Median Home Value $153,060
Average Home Value $183,613


Total Households 4,295
Average Household Size 2.27
Family Households 2,575
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 -0.34% -0.37%
Households -0.52% -0.51%
Families -0.68% -0.62%
Median Household Income   2.11%
Per Capita Income   1.86%

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, 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 # 76 92nd
Population Density # 243 75th
Diversity Index # 133 86th
Median Household Income # 324 66th
Per Capita Income # 356 63rd

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

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