Williamson
URL: https://knowledge.ivjn.us/en/places/il-williamson.html

Williamson is a village in Illinois, United States.

## Overview

Williamson is a village in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 224[^geonames].

## Geography

- Coordinates: 38.9856, -89.7640

Updated: 2026-10-29

Relations:
- Located in: Madison County https://knowledge.ivjn.us/en/places/il-madison-county.html

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