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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 57745, Hill City, SD

ZIP Code 57745 Details

Zip Code:57745
City:Hill City
State:SD [South Dakota]
Multi County:No
City Alias(es):Hill City
City Alias(es) To Avoid Using:Deerfield
Area Code:605
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Mountain (GMT -07:00)
Observes Daylight Saving:Yes
Elevation:6310 ft
State FIPS:46
County FIPS:103
Division:West North Central
Intro Date:<2004-10

ZIP Code 57745 2010 Census Demographics

Current Population:1,549
2010 Population:2,109
Households per ZIP Code:909
Average House Value:$257,200
Avg. Income Per Household:$71,531
Persons Per Household:2.32
White Population:1,913
Black Population:12
Hispanic Population:223
Asian Population:11
American Indian Population:96
Hawaiian Population:5
Other Population:117
Male Population:1,074
Female Population:1,035
Median Age:47.30 years
Male Median Age:47.10 years
Female Median Age:47.60 years

ZIP Code 57745 Other Demographics

# Residential Mailboxes:668
# Business Mailboxes:34
Total Delivery Receptacles:1,360
Number of Businesses:115
1st Quarter Payroll:$4,928,000
Annual Payroll:$25,110,000
# of Employees:662
Water Area:0.559 sq mi
Land Area:385.037 sq mi
118th Congressional District:
118th Congressional Land Area: sq mi
Single Family Delivery Units:586
Multi Family Delivery Units:24
# Residential Mailboxes:668
# Business Mailboxes:34
Total Delivery Receptacles:1,360

ZIP Code 57745 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 660 680 +20
Retired Workers: 520 555 +35
Disabled Workers: 60 50 -10
Widow(er)s and Parents: 35 35 0
Spouses: 20 20 0
Children: 25 20 -5
65+: 515 545 +30
Monthly Benefits - All: $865,000 $949,000 +$84,000
Monthly Benefits - Retired Workers: $716,000 $798,000 +$82,000
Monthly Benefits - Widow(ers): $49,000 $53,000 +$4,000

ZIP Code 57745 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:W1A770
Preferred Last Line Key:W1A770
57744: Previous ZIP Code
Next ZIP Code: 57747


  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],