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Union, Illinois

Village · Population 690 · #754 in Illinois
Union, Illinois

Union is a village in McHenry County, Illinois, United States. The population was 551 at the 2020 census..

Photo & intro: Wikipedia

About Union

Set in the northern part of Illinois, Union is a tiny community, home to 690 residents as of the latest Census estimates.

Officially, Union is an incorporated village, one of the most intimate forms of local government in America. The community covers 0.84 square miles, giving it a balanced suburban layout with room to breathe at roughly 821 residents per square mile.

What Makes Union Unique

  • One of 15 places in the US named Union — but the Illinois one has a character all its own.
  • Positioned in northern Illinois, convenient to the region's corridors and crossings.
  • Part of the fabric of Illinois — one of 1,461 recognized communities statewide.

Why People Love It Here

  • A tight community feel that bigger cities can't replicate.
  • Housing dollars stretch further here than in the nearest metro.
  • Well connected: 3+ neighboring communities within 4 miles.

🍽️ Where to Eat in Union

  • Checkers 2 — german

Local spots mapped by the OpenStreetMap community.

🎡 Fun Things to Do

  • Illinois Railway Museum · Museum
  • McHenry County Historical Society and Museum · Museum
  • Pullman Archives · Museum

Attractions mapped by the OpenStreetMap community.

🏞️ Parks & Outdoors in Union

Parks mapped by the OpenStreetMap community · "reviews" opens each park's live Google reviews.

⚡ Quick Facts

TypeVillage
Population (2024)690
Rank in state#754 of 1,294
Land area0.84 sq mi
Density821/sq mi
Coordinates42.2316, -88.5448

🗺️ Map of Union