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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 57761, New Underwood, SD

ZIP Code 57761 Details

Zip Code:57761
City:New Underwood
State:SD [South Dakota]
Multi County:Yes
City Alias(es):New Underwood
City Alias(es) To Avoid Using:Viewfield
Area Code:605
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Mountain (GMT -07:00)
Observes Daylight Saving:Yes
Elevation:2717 ft
State FIPS:46
County FIPS:103
Division:West North Central
Intro Date:<2004-10

ZIP Code 57761 2010 Census Demographics

Current Population:879
2010 Population:1,210
Households per ZIP Code:456
Average House Value:$167,700
Avg. Income Per Household:$93,438
Persons Per Household:2.55
White Population:1,146
Black Population:4
Hispanic Population:24
Asian Population:7
American Indian Population:70
Hawaiian Population:0
Other Population:11
Male Population:599
Female Population:611
Median Age:41.30 years
Male Median Age:41.10 years
Female Median Age:41.40 years

ZIP Code 57761 Other Demographics

# Residential Mailboxes:345
# Business Mailboxes:5
Total Delivery Receptacles:551
Number of Businesses:36
1st Quarter Payroll:$952,000
Annual Payroll:$4,371,000
# of Employees:127
Water Area:1.65 sq mi
Land Area:441.07 sq mi
118th Congressional District:
118th Congressional Land Area: sq mi
Single Family Delivery Units:304
Multi Family Delivery Units:23
# Residential Mailboxes:345
# Business Mailboxes:5
Total Delivery Receptacles:551

ZIP Code 57761 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 250 260 +10
Retired Workers: 180 190 +10
Disabled Workers: 35 35 0
Widow(er)s and Parents: 15 15 0
Spouses: 10 10 0
Children: 10 10 0
65+: 190 200 +10
Monthly Benefits - All: $289,000 $316,000 +$27,000
Monthly Benefits - Retired Workers: $220,000 $242,000 +$22,000
Monthly Benefits - Widow(ers): $17,000 $18,000 +$1,000

ZIP Code 57761 Statistical Areas

CBSA: 39660
CBSA Name: Rapid City, SD
CBSA Type: Metro
CBSA Division: 
CBSA Division Name: 
CBSA Population:126,382
CBSA Division Population:0
MSA: 6660
MSA Name: Rapid City, SD MSA
PMSA Name: 
City State Key:W1A962
Preferred Last Line Key:W1A962
57760: Previous ZIP Code
Next ZIP Code: 57762


  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],