Warren County
URL: https://knowledge.ivjn.us/en/places/il-warren-county.html

Warren County is a county of Illinois, United States.

## Overview

Warren County is a county of [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States (FIPS il187), with a population of about 17,707[^geonames].

## Geography

- Coordinates: 40.8488, -90.6150
- Time zone: America/Chicago

Updated: 2026-10-29

Relations:
- Located in: Illinois https://knowledge.ivjn.us/en/places/illinois.html
- Contains places: Alexis https://knowledge.ivjn.us/en/places/il-alexis.html
- Contains places: Kirkwood https://knowledge.ivjn.us/en/places/il-kirkwood.html
- Contains places: Little York https://knowledge.ivjn.us/en/places/il-little-york.html
- Contains places: Monmouth https://knowledge.ivjn.us/en/places/il-monmouth.html
- Contains places: Roseville https://knowledge.ivjn.us/en/places/il-roseville.html

Mentioned in:
- Alexis https://knowledge.ivjn.us/en/places/il-alexis.html
- Kirkwood https://knowledge.ivjn.us/en/places/il-kirkwood.html
- Little York https://knowledge.ivjn.us/en/places/il-little-york.html
- Monmouth https://knowledge.ivjn.us/en/places/il-monmouth.html
- Roseville https://knowledge.ivjn.us/en/places/il-roseville.html

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