Algonquin
URL: https://knowledge.ivjn.us/en/places/il-algonquin/at/2.html

Algonquin is a city in Illinois, United States.

## Overview

Algonquin is a city in [Illinois](https://knowledge.ivjn.us/en/places/illinois.html), United States, with a population of about 30,571[^geonames].

## Geography

- Coordinates: 42.1656, -88.2943

Updated: 2026-10-29

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

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