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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 51535, Griswold, IA

ZIP Code 51535 Details

Zip Code:51535
State:IA [Iowa]
Counties:CASS, IA
Multi County:Yes
City Alias(es):Griswold
Area Code:712
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:1121 ft
State FIPS:19
County FIPS:029
Division:West North Central
Intro Date:<2004-10

ZIP Code 51535 2010 Census Demographics

Current Population:1,320
2010 Population:1,923
Households per ZIP Code:793
Average House Value:$105,800
Avg. Income Per Household:$72,833
Persons Per Household:2.38
White Population:1,897
Black Population:16
Hispanic Population:21
Asian Population:2
American Indian Population:10
Hawaiian Population:8
Other Population:6
Male Population:914
Female Population:1,009
Median Age:45.50 years
Male Median Age:45.10 years
Female Median Age:45.70 years

ZIP Code 51535 Other Demographics

# Residential Mailboxes:555
# Business Mailboxes:18
Total Delivery Receptacles:1,521
Number of Businesses:45
1st Quarter Payroll:$2,301,000
Annual Payroll:$9,813,000
# of Employees:282
Water Area:0.008 sq mi
Land Area:135.334 sq mi
118th Congressional District:03|04
118th Congressional Land Area:8789.62|22756.75 sq mi
Single Family Delivery Units:555
Multi Family Delivery Units:0
# Residential Mailboxes:555
# Business Mailboxes:18
Total Delivery Receptacles:1,521

ZIP Code 51535 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 495 495 0
Retired Workers: 375 375 0
Disabled Workers: 55 55 0
Widow(er)s and Parents: 35 35 0
Spouses: 15 15 0
Children: 15 15 0
65+: 410 410 0
Monthly Benefits - All: $660,000 $677,000 +$17,000
Monthly Benefits - Retired Workers: $525,000 $544,000 +$19,000
Monthly Benefits - Widow(ers): $53,000 $51,000 ($2,000)

ZIP Code 51535 Statistical Areas

CBSA Name: 
CBSA Type: 
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:W10632
Preferred Last Line Key:W10632
51534: Previous ZIP Code
Next ZIP Code: 51536


  1. U.S. Postal Service [Last Updated: 3/1/2023],
  2. Internal Data Creation [Last Updated: 3/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 3/1/2023],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],