Groton, South Dakota
Groton is a city in Brown County, South Dakota, with an estimated population of 1,355 in 2023. It sits at 45.4517, -98.1001 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Groton |
| Type | city |
| State | South Dakota (SD) |
| County | Brown County |
| Population (2023 est.) | 1,355 |
| Land area | 1.75 sq mi (4.54 km²) |
| Coordinates | 45.4517, -98.1001 |
| Time zone | America/Chicago |
| ZIP codes | 57445 |
ZIP codes and area codes for Groton
Groton covers 1 ZIP code: 57445. Browse all ZIP codes in South Dakota for the full list.
Where is Groton?
Groton is located in South Dakota, in Brown County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Langford 27 km · SDAberdeen 29 km · SDBristol 30 km · SDWarner 34 km · SDBritton 47 km · SDWebster 47 km · SD
Other places in Brown County
Frequently asked questions
What county is Groton, SD in?
Groton is in Brown County, South Dakota.
What is the population of Groton, SD?
The 2023 Census Bureau estimate is 1,355.
What time zone is Groton in?
Groton is in the America/Chicago time zone.