Groton
- Population
- 1,475 (2020)
- Type
- City
- Area
- 1.75 sq mi (4.54 km²)
- Median age
- 41
- Households
- 811
- Persons per household
- 2.5
- Median household income
- $65,833
- Average house value
- $168,100
- Businesses
- 83
- Employees
- 352
- Government
- CITY OF GROTON
- Government office
- PO BOX 587, GROTON, SD 57445