ZIP Code 57751 Population
Keystone, South Dakota
Population
676
Households
277
Median Age
49.5
Population Details
| Average Household Size | 2.44 persons |
|---|---|
| Data Source | US Census Bureau, 2012–2016 ACS 5-year estimates |
Frequently Asked Questions
ZIP code 57751 (Keystone, SD) has a population of 676 according to US Census Bureau, 2012–2016 ACS 5-year estimates.
There are 277 households in ZIP code 57751.