| ZIP Code | 57445 |
| City | Groton |
| State | South Dakota (SD) |
| County | Brown |
| Timezone | America/Chicago |
| Coordinates | 45.4582800, -98.1209400 |
| Population | 2,072 |
| ZIP Type | STANDARD |
| Country | United States |
57445 is a small ZIP code covering Groton in South Dakota, the United States. This area falls under Brown County.
Around 2,072 people live in the 57445 ZIP code area. This is roughly in line with the South Dakota average of about 2,435 residents.
Population density runs around 3 people per sq. mile, making it a rural area.
Other ZIP code codes in South Dakota serve areas such as Sioux Falls, Rapid City.
The ZIP code for Groton, South Dakota is 57445.
57445 is located in Brown County, South Dakota.
The population of 57445 (Groton) is approximately 2,072 people.
57445 is about average compared to the typical South Dakota ZIP code, which averages around 2,435 people.
ZIP code codes near 57445 include 57106, 57701, 57702.