Dewey County
URL: https://knowledge.ivjn.us/en/places/sd-dewey-county.html

Dewey County is a county of South Dakota, United States.

## Overview

Dewey County is a county of [South Dakota](https://knowledge.ivjn.us/en/places/south-dakota.html), United States (FIPS sd041), with a population of about 5,301[^geonames].

## Geography

- Coordinates: 45.1566, -100.8719
- Time zone: America/Denver

Updated: 2026-10-29

Relations:
- Located in: South Dakota https://knowledge.ivjn.us/en/places/south-dakota.html
- Contains places: Eagle Butte https://knowledge.ivjn.us/en/places/sd-eagle-butte.html
- Contains places: Green Grass https://knowledge.ivjn.us/en/places/sd-green-grass.html
- Contains places: Isabel https://knowledge.ivjn.us/en/places/sd-isabel.html
- Contains places: La Plant https://knowledge.ivjn.us/en/places/sd-la-plant.html
- Contains places: North Eagle Butte https://knowledge.ivjn.us/en/places/sd-north-eagle-butte.html
- Contains places: Timber Lake https://knowledge.ivjn.us/en/places/sd-timber-lake.html
- Contains places: Whitehorse https://knowledge.ivjn.us/en/places/sd-whitehorse.html

Mentioned in:
- Eagle Butte https://knowledge.ivjn.us/en/places/sd-eagle-butte.html
- Green Grass https://knowledge.ivjn.us/en/places/sd-green-grass.html
- Isabel https://knowledge.ivjn.us/en/places/sd-isabel.html
- La Plant https://knowledge.ivjn.us/en/places/sd-la-plant.html
- North Eagle Butte https://knowledge.ivjn.us/en/places/sd-north-eagle-butte.html
- Timber Lake https://knowledge.ivjn.us/en/places/sd-timber-lake.html
- Whitehorse https://knowledge.ivjn.us/en/places/sd-whitehorse.html

Sources:
- GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip