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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 50638, Grundy Center, IA

ZIP Code 50638 Details

Zip Code:50638
City:Grundy Center
State:IA [Iowa]
Counties:GRUNDY, IA
Multi County:No
City Alias(es):Grundy Center
Area Code:319
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:1054 ft
State FIPS:19
County FIPS:075
Division:West North Central
Intro Date:<2004-10

ZIP Code 50638 2010 Census Demographics

Current Population:3,173
2010 Population:3,313
Households per ZIP Code:1,410
Average House Value:$142,900
Avg. Income Per Household:$76,038
Persons Per Household:2.29
White Population:3,298
Black Population:17
Hispanic Population:14
Asian Population:8
American Indian Population:15
Hawaiian Population:4
Other Population:3
Male Population:1,571
Female Population:1,742
Median Age:44.10 years
Male Median Age:40.20 years
Female Median Age:47.10 years

ZIP Code 50638 Other Demographics

# Residential Mailboxes:1,386
# Business Mailboxes:97
Total Delivery Receptacles:1,673
Number of Businesses:103
1st Quarter Payroll:$9,922,000
Annual Payroll:$43,091,000
# of Employees:1,033
Water Area:0 sq mi
Land Area:93.975 sq mi
118th Congressional District:02
118th Congressional Land Area:12261.92 sq mi
Single Family Delivery Units:1,310
Multi Family Delivery Units:0
# Residential Mailboxes:1,386
# Business Mailboxes:97
Total Delivery Receptacles:1,673

ZIP Code 50638 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 910 900 -10
Retired Workers: 695 685 -10
Disabled Workers: 80 85 +5
Widow(er)s and Parents: 70 65 -5
Spouses: 20 20 0
Children: 45 45 0
65+: 740 740 0
Monthly Benefits - All: $1,240,000 $1,266,000 +$26,000
Monthly Benefits - Retired Workers: $1,000,000 $1,015,000 +$15,000
Monthly Benefits - Widow(ers): $94,000 $91,000 ($3,000)

ZIP Code 50638 Statistical Areas

CBSA: 47940
CBSA Name: Waterloo-Cedar Falls, IA
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:167,819
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:W10633
Preferred Last Line Key:W10633
50636: Previous ZIP Code
Next ZIP Code: 50641


  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],