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U.S. PLACE PROFILE

Algonquin, IL

Algonquin is a Village in McHenry County, Illinois. The loaded 2025 population estimate is 30,824.

Published locationIllinois
Population estimate30,8242025 loaded Census estimate
CountyMcHenry CountyPrimary loaded county
Place typeVillageCensus place classification
Coordinates42.15947, -88.32187Census representative point

EXPLORE FROM ALGONQUIN

Distance and nearby-place tools

Only tools with enough qualifying stored data are linked below.

Closest published places

Nearest qualifying Census places by straight-line distance.

See all nearby places →
Lake in the Hills, IL1.4 miles · N→Carpentersville, IL2.9 miles · SE→
West Dundee, IL3.9 miles · S
Gilberts, IL4.3 miles · SW
Trout Valley, IL4.4 miles · NE
Sleepy Hollow, IL4.8 miles · S

County coverage

Some incorporated places cross county lines. These county-part values come from the loaded Census county-place-part population layer.

County2025 population in this place part
Kane County8,499
McHenry County22,325

DATA COVERAGE

What is available for Algonquin

Geographic identityNearby placesPopulation estimate100-mile radius25-mile radius50-mile radius

PRIMARY GEOGRAPHIC SOURCE

U.S. Census Bureau

Place identity, coordinates and geographic identifiers are tied to the loaded Census source record for this location.

Open source file ↗Census GEOID 1700685Record verified 2026-09-26 07:05:57