Eureka
URL: https://knowledge.ivjn.us/en/places/sd-eureka.html

Eureka is a village in South Dakota, United States.

## Overview

Eureka is a village in [South Dakota](https://knowledge.ivjn.us/en/places/south-dakota.html), United States, with a population of about 844[^geonames].

## Geography

- Coordinates: 45.7694, -99.6196

Updated: 2026-10-29

Relations:
- Located in: McPherson County https://knowledge.ivjn.us/en/places/sd-mcpherson-county.html

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