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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 57730, Custer, SD

ZIP Code 57730 Details

Zip Code:57730
State:SD [South Dakota]
Counties:CUSTER, SD
Multi County:Yes
City Alias(es):Custer
Crazy Horse
City Alias(es) To Avoid Using:Bakerville
Game Lodge
Harney Peak
Sylvan Lake
Area Code:605
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Mountain (GMT -07:00)
Observes Daylight Saving:Yes
Elevation:5601 ft
State FIPS:46
County FIPS:033
Division:West North Central
Intro Date:<2004-10

ZIP Code 57730 2010 Census Demographics

Current Population:5,184
2010 Population:5,315
Households per ZIP Code:2,400
Average House Value:$244,900
Avg. Income Per Household:$72,528
Persons Per Household:2.11
White Population:5,091
Black Population:21
Hispanic Population:104
Asian Population:28
American Indian Population:234
Hawaiian Population:4
Other Population:27
Male Population:2,648
Female Population:2,667
Median Age:51.50 years
Male Median Age:50.50 years
Female Median Age:52.40 years

ZIP Code 57730 Other Demographics

# Residential Mailboxes:2,457
# Business Mailboxes:169
Total Delivery Receptacles:3,342
Number of Businesses:227
1st Quarter Payroll:$10,799,000
Annual Payroll:$52,033,000
# of Employees:1,179
Water Area:0.605 sq mi
Land Area:516.163 sq mi
118th Congressional District:
118th Congressional Land Area: sq mi
Single Family Delivery Units:2,291
Multi Family Delivery Units:87
# Residential Mailboxes:2,457
# Business Mailboxes:169
Total Delivery Receptacles:3,342

ZIP Code 57730 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 1,925 1,975 +50
Retired Workers: 1,555 1,615 +60
Disabled Workers: 150 145 -5
Widow(er)s and Parents: 105 100 -5
Spouses: 55 60 +5
Children: 60 55 -5
65+: 1,590 1,655 +65
Monthly Benefits - All: $2,519,000 $2,663,000 +$144,000
Monthly Benefits - Retired Workers: $2,121,000 $2,268,000 +$147,000
Monthly Benefits - Widow(ers): $133,000 $132,000 ($1,000)

ZIP Code 57730 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:W1A627
Preferred Last Line Key:W1A627
57725: Previous ZIP Code
Next ZIP Code: 57732


  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],