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ZIP Code Database - Facts & Stats

Data Last Updated: April 1, 2023

Zip Code 51566, Red Oak, IA

ZIP Code 51566 Details

Zip Code:51566
City:Red Oak
State:IA [Iowa]
Multi County:Yes
City Alias(es):Red Oak
Area Code:712
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:1162 ft
State FIPS:19
County FIPS:137
Division:West North Central
Intro Date:<2004-10

ZIP Code 51566 2010 Census Demographics

Current Population:7,055
2010 Population:7,035
Households per ZIP Code:3,020
Average House Value:$89,700
Avg. Income Per Household:$53,470
Persons Per Household:2.29
White Population:6,894
Black Population:47
Hispanic Population:255
Asian Population:25
American Indian Population:58
Hawaiian Population:2
Other Population:94
Male Population:3,403
Female Population:3,632
Median Age:43.90 years
Male Median Age:42.10 years
Female Median Age:45.30 years

ZIP Code 51566 Other Demographics

# Residential Mailboxes:3,081
# Business Mailboxes:215
Total Delivery Receptacles:3,455
Number of Businesses:207
1st Quarter Payroll:$27,250,000
Annual Payroll:$117,045,000
# of Employees:2,701
Water Area:0.572 sq mi
Land Area:176.399 sq mi
118th Congressional District:03
118th Congressional Land Area:8789.62 sq mi
Single Family Delivery Units:2,795
Multi Family Delivery Units:130
# Residential Mailboxes:3,081
# Business Mailboxes:215
Total Delivery Receptacles:3,455

ZIP Code 51566 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 1,915 1,940 +25
Retired Workers: 1,355 1,360 +5
Disabled Workers: 285 310 +25
Widow(er)s and Parents: 130 125 -5
Spouses: 50 50 0
Children: 95 95 0
65+: 1,455 1,455 0
Monthly Benefits - All: $2,516,000 $2,593,000 +$77,000
Monthly Benefits - Retired Workers: $1,936,000 $1,983,000 +$47,000
Monthly Benefits - Widow(ers): $168,000 $166,000 ($2,000)

ZIP Code 51566 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:W11293
Preferred Last Line Key:W11293
51565: Previous ZIP Code
Next ZIP Code: 51570


  1. U.S. Postal Service [Last Updated: 4/1/2023],
  2. Internal Data Creation [Last Updated: 4/1/2023],
  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: 4/1/2023],
  6. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],