Marion
URL: https://knowledge.ivjn.us/en/places/il-marion.html

Marion is a city in Illinois, United States.

## Overview

Marion is a city in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 17,803[^geonames].

## Geography

- Coordinates: 37.7306, -88.9331

Updated: 2026-10-29

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

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