Griswold, IA 51535 ZIP Code Profile

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Griswold, IA

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ZIP Code 51535: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Griswold, IA 51535

  • ZIP Code Type: STANDARD
  • County: Cass County
  • Centroid: Latitude 41.236, Longitude -95.139
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 51535 has segments in 2 Counties (Cass, Pottawattamie).

  • Businesses Addresses: 61
  • PO Box Addresses: 257
  • Residential Addresses: 539
    • Multi-Family Addresses: 0
    • Single Family Addresses: 539

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

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51535 ZIP Code Map

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Griswold, IA 51535 Data & Demographics (As of July 1, 2017)


Total Population 1,978
Daytime Population: Workers 585
Daytime Population: Residents 935
Total Daytime Population (TDP) 1,520
Ratio TDP/Total Population1 0.77
Population in Households 1,944
Population in Familes 1,622
Population in Group Qrtrs 34
Population Density2 16
Diversity Index3 9


Median Household Income $49,359
Average Household Income $59,336
Per Capita Income $24,452


Total Housing Units 906 (100%)
Owner Occupied HU 619 (68.3%)
Renter Occupied HU 190 (21.0%)
Vacant Housing Units 97 (10.7%)
Median Home Value $100,688
Average Home Value $159,128


Total Households 809
Average Household Size 2.4
Family Households 562
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 0.62% 0.2%
Households 0.65% 0.2%
Families 0.5% 0.14%
Median Household Income   2.0%
Per Capita Income   2.9%

Griswold, IA 51535 - Peer Comparisons by Rank and Percentile

The table below compares 51535 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 # 287 70th
Population Density # 620 36th
Diversity Index # 547 44th
Median Household Income # 713 26th
Per Capita Income # 812 16th

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

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