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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

Zip Code 57445, Groton, SD

ZIP Code 57445 Details

Zip Code:57445
State:SD [South Dakota]
Counties:BROWN, SD
Multi County:No
City Alias(es):Groton
City Alias(es) To Avoid Using:James
Area Code:605
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:1304 ft
State FIPS:46
County FIPS:013
Division:West North Central
Intro Date:<2004-10

ZIP Code 57445 2010 Census Demographics

Current Population:1,585
2010 Population:2,068
Households per ZIP Code:811
Average House Value:$153,800
Avg. Income Per Household:$69,821
Persons Per Household:2.50
White Population:2,043
Black Population:13
Hispanic Population:20
Asian Population:8
American Indian Population:25
Hawaiian Population:0
Other Population:8
Male Population:1,033
Female Population:1,035
Median Age:41.00 years
Male Median Age:40.30 years
Female Median Age:42.20 years

ZIP Code 57445 Other Demographics

# Residential Mailboxes:634
# Business Mailboxes:21
Total Delivery Receptacles:983
Number of Businesses:77
1st Quarter Payroll:$4,703,000
Annual Payroll:$22,358,000
# of Employees:450
Water Area:0.091 sq mi
Land Area:253.907 sq mi
118th Congressional District:
118th Congressional Land Area: sq mi
Single Family Delivery Units:578
Multi Family Delivery Units:12
# Residential Mailboxes:634
# Business Mailboxes:21
Total Delivery Receptacles:983

ZIP Code 57445 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 415 420 +5
Retired Workers: 305 310 +5
Disabled Workers: 40 35 -5
Widow(er)s and Parents: 40 35 -5
Spouses: 15 15 0
Children: 15 25 +10
65+: 340 350 +10
Monthly Benefits - All: $551,000 $573,000 +$22,000
Monthly Benefits - Retired Workers: $426,000 $451,000 +$25,000
Monthly Benefits - Widow(ers): $53,000 $47,000 ($6,000)

ZIP Code 57445 Statistical Areas

CBSA: 10100
CBSA Name: Aberdeen, SD
CBSA Type: Micro
CBSA Division: 
CBSA Division Name: 
CBSA Population:40,602
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:W1A739
Preferred Last Line Key:W1A739
57442: Previous ZIP Code
Next ZIP Code: 57446


  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],