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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 57772, Porcupine, SD

ZIP Code 57772 Details

Zip Code:57772
State:SD [South Dakota]
Multi County:No
City Alias(es):Porcupine
City Alias(es) To Avoid Using:Rockyford
Sharps Corner
Area Code:605
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Mountain (GMT -07:00)
Observes Daylight Saving:Yes
Elevation:3443 ft
State FIPS:46
County FIPS:102
Division:West North Central
Intro Date:<2004-10

ZIP Code 57772 2010 Census Demographics

Current Population:609
2010 Population:2,048
Households per ZIP Code:454
Average House Value:$33,300
Avg. Income Per Household:$28,224
Persons Per Household:4.45
White Population:78
Black Population:0
Hispanic Population:32
Asian Population:7
American Indian Population:1,982
Hawaiian Population:1
Other Population:0
Male Population:1,038
Female Population:1,010
Median Age:23.60 years
Male Median Age:22.80 years
Female Median Age:24.50 years

ZIP Code 57772 Other Demographics

# Residential Mailboxes:137
# Business Mailboxes:4
Total Delivery Receptacles:507
Number of Businesses:9
1st Quarter Payroll:$1,089,000
Annual Payroll:$4,698,000
# of Employees:120
Water Area:0.254 sq mi
Land Area:502.559 sq mi
118th Congressional District:
118th Congressional Land Area: sq mi
Single Family Delivery Units:137
Multi Family Delivery Units:0
# Residential Mailboxes:137
# Business Mailboxes:4
Total Delivery Receptacles:507

ZIP Code 57772 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 200 200 0
Retired Workers: 115 115 0
Disabled Workers: 35 30 -5
Widow(er)s and Parents: 15 15 0
Spouses: 5 5 0
Children: 30 35 +5
65+: 125 125 0
Monthly Benefits - All: $187,000 $183,000 ($4,000)
Monthly Benefits - Retired Workers: $120,000 $121,000 +$1,000
Monthly Benefits - Widow(ers): $12,000 $12,000 $0

ZIP Code 57772 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:W1B031
Preferred Last Line Key:W1B031
57770: Previous ZIP Code
Next ZIP Code: 57773


  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],