Grundy Center, IA 50638 ZIP Code Profile

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Grundy Center, IA

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ZIP Code 50638: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Grundy Center, IA 50638

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 144
  • Single Family Addresses: 1,363
  • Multi-Family Addresses: 0
  • County: Grundy County
  • Centroid: Latitude 42.36, Longitude -92.774
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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50638 ZIP Code Map

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Grundy Center, IA 50638 Data & Demographics (As of July 1, 2017)


Total Population 3,361
Daytime Population: Workers 1,498
Daytime Population: Residents 1,721
Total Daytime Population (TDP) 3,219
Ratio TDP/Total Population1 0.96
Population in Households 3,276
Population in Familes 2,651
Population in Group Qrtrs 85
Population Density2 32
Diversity Index3 6


Median Household Income $55,259
Average Household Income $69,886
Per Capita Income $30,169


Total Housing Units 1,583 (100%)
Owner Occupied HU 1,125 (71.1%)
Renter Occupied HU 308 (19.5%)
Vacant Housing Units 150 ( 9.5%)
Median Home Value $118,869
Average Home Value $134,044


Total Households 1,433
Average Household Size 2.29
Family Households 930
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 -0.13% 0.08%
Households -0.08% 0.11%
Families -0.24% 0.0%
Median Household Income   1.49%
Per Capita Income   2.58%

Grundy Center, IA 50638 - Peer Comparisons by Rank and Percentile

The table below compares 50638 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 # 185 81st
Population Density # 361 63rd
Diversity Index # 819 16th
Median Household Income # 445 54th
Per Capita Income # 296 69th

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

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