Lyman County
URL: https://knowledge.ivjn.us/en/places/sd-lyman-county.html

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

## Overview

Lyman County is a county of [South Dakota](https://knowledge.ivjn.us/en/places/south-dakota.html), United States (FIPS sd085), with a population of about 3,755[^geonames].

## Geography

- Coordinates: 43.8958, -99.8474
- Time zone: America/Chicago

Updated: 2026-10-29

Relations:
- Located in: South Dakota https://knowledge.ivjn.us/en/places/south-dakota.html
- Contains places: Kennebec https://knowledge.ivjn.us/en/places/sd-kennebec.html
- Contains places: Lower Brule https://knowledge.ivjn.us/en/places/sd-lower-brule.html
- Contains places: Oacoma https://knowledge.ivjn.us/en/places/sd-oacoma.html
- Contains places: Reliance https://knowledge.ivjn.us/en/places/sd-reliance.html
- Contains places: Presho https://knowledge.ivjn.us/en/places/sd-presho.html
- Contains places: Vivian https://knowledge.ivjn.us/en/places/sd-vivian.html

Mentioned in:
- Kennebec https://knowledge.ivjn.us/en/places/sd-kennebec.html
- Lower Brule https://knowledge.ivjn.us/en/places/sd-lower-brule.html
- Oacoma https://knowledge.ivjn.us/en/places/sd-oacoma.html
- Presho https://knowledge.ivjn.us/en/places/sd-presho.html
- Reliance https://knowledge.ivjn.us/en/places/sd-reliance.html
- Vivian https://knowledge.ivjn.us/en/places/sd-vivian.html

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