South Dakota Pennington County
Keystone
A town in Pennington County, South Dakota — population 352 as of 2020.
Scopes news, events and the map to Keystone. No account needed — we keep it on this device.
Your city
Change city
News, events and the map open here. Kept on this device.
is your city now — Keystone would replace it. We'll ask first.
stops being your city.
Keystone takes over news, events and the map.
Today
80°F
Partly Sunny5% precip
Tonight
63°F
Chance Showers And Thunderstorms34% precip
Sunday
89°F
Mostly Sunny then Chance Showers And Thunderstorms38% precip
Sunday Night
65°F
Chance Showers And Thunderstorms then Mostly Clear27% precip
You know Keystone better than we do.
Add the places people actually go. Our editors review submissions before they publish — you'll need an account with access to send one.
Keystone by the numbers
Population
352Population figure, 2020
Households & income
- Area
- 3 sq mi (7.77 km²)
- Median age
- 38.1
- Persons per household
- 3.1
- Median household income
- $64,702
Municipal office
- Office
- FINANCE OFFICER
- Address
- PO BOX 689, KEYSTONE, SD 57751