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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 57231, De Smet, SD

ZIP Code 57231 Details

Zip Code:57231
City:De Smet
State:SD [South Dakota]
Multi County:No
City Alias(es):De Smet
Area Code:605
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:1712 ft
State FIPS:46
County FIPS:077
Division:West North Central
Intro Date:<2004-10

ZIP Code 57231 2010 Census Demographics

Current Population:1,307
2010 Population:1,695
Households per ZIP Code:730
Average House Value:$157,600
Avg. Income Per Household:$72,639
Persons Per Household:2.25
White Population:1,678
Black Population:2
Hispanic Population:5
Asian Population:6
American Indian Population:14
Hawaiian Population:3
Other Population:3
Male Population:834
Female Population:861
Median Age:48.90 years
Male Median Age:47.50 years
Female Median Age:49.70 years

ZIP Code 57231 Other Demographics

# Residential Mailboxes:581
# Business Mailboxes:12
Total Delivery Receptacles:875
Number of Businesses:72
1st Quarter Payroll:$7,583,000
Annual Payroll:$32,637,000
# of Employees:656
Water Area:12.853 sq mi
Land Area:249.278 sq mi
118th Congressional District:
118th Congressional Land Area: sq mi
Single Family Delivery Units:540
Multi Family Delivery Units:33
# Residential Mailboxes:581
# Business Mailboxes:12
Total Delivery Receptacles:875

ZIP Code 57231 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 445 455 +10
Retired Workers: 345 360 +15
Disabled Workers: 35 35 0
Widow(er)s and Parents: 35 30 -5
Spouses: 20 20 0
Children: 10 10 0
65+: 380 395 +15
Monthly Benefits - All: $565,000 $604,000 +$39,000
Monthly Benefits - Retired Workers: $456,000 $495,000 +$39,000
Monthly Benefits - Widow(ers): $46,000 $48,000 +$2,000

ZIP Code 57231 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:W1A637
Preferred Last Line Key:W1A637
57227: Previous ZIP Code
Next ZIP Code: 57232


  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],