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ZIP code 57445

Groton, SD · Brown County

About ZIP code 57445

  • ZIP code 57445 is in Groton, Brown County, South Dakota.
  • About 2,072 people live in it, which is 3.2 people per square mile.
  • Time zone: Central Standard Time.
  • The middle of the ZIP code is at 45.458, -98.121.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Groton, SD

ZIP code 57445 is the post office name for Groton, SD. 1,691 people live in Groton. Typical household income is $89,861. A typical home costs $190,600.

  • Stronger than most towns on: Short commute, Dining and entertainment and Jobs and income.
  • Weaker than most towns on: Airport access, Property taxes and Public transit.

See all figures for Groton

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.