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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 50579, Rockwell City, IA

ZIP Code 50579 Details

Zip Code:50579
City:Rockwell City
State:IA [Iowa]
Counties:CALHOUN, IA
Multi County:No
City Alias(es):Rockwell City
City Alias(es) To Avoid Using:Lanedale
Area Code:712
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:1222 ft
State FIPS:19
County FIPS:025
Division:West North Central
Intro Date:<2004-10

ZIP Code 50579 2010 Census Demographics

Current Population:2,397
2010 Population:2,405
Households per ZIP Code:1,059
Average House Value:$91,500
Avg. Income Per Household:$49,815
Persons Per Household:2.22
White Population:2,385
Black Population:11
Hispanic Population:8
Asian Population:21
American Indian Population:7
Hawaiian Population:2
Other Population:2
Male Population:1,156
Female Population:1,249
Median Age:47.80 years
Male Median Age:46.70 years
Female Median Age:49.30 years

ZIP Code 50579 Other Demographics

# Residential Mailboxes:1,080
# Business Mailboxes:92
Total Delivery Receptacles:1,230
Number of Businesses:78
1st Quarter Payroll:$2,418,000
Annual Payroll:$12,280,000
# of Employees:394
Water Area:1.286 sq mi
Land Area:140.59 sq mi
118th Congressional District:04
118th Congressional Land Area:22756.75 sq mi
Single Family Delivery Units:987
Multi Family Delivery Units:93
# Residential Mailboxes:1,080
# Business Mailboxes:92
Total Delivery Receptacles:1,230

ZIP Code 50579 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 680 670 -10
Retired Workers: 495 485 -10
Disabled Workers: 75 80 +5
Widow(er)s and Parents: 50 50 0
Spouses: 20 20 0
Children: 40 35 -5
65+: 535 530 -5
Monthly Benefits - All: $870,000 $885,000 +$15,000
Monthly Benefits - Retired Workers: $675,000 $688,000 +$13,000
Monthly Benefits - Widow(ers): $71,000 $64,000 ($7,000)

ZIP Code 50579 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:W11331
Preferred Last Line Key:W11331
50578: Previous ZIP Code
Next ZIP Code: 50581


  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],