174 years in pictures
The archive holds 1 old photo or paper going back to 2021.
- 1852Union is settled
Each edition grades its towns against each other only.

A town of 684, settled in 1852.
Union’s median rent is $1,692 a month, against $1,129 a month in Illinois’ towns and $1,185 a month across U.S. towns. Union has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Union beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
The archive holds 1 old photo or paper going back to 2021.
Who provides power, water and the rest in Union, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
Ordered by what stands out in Union.
Most working residents leave Union for work: only 2% work in town. At 30 minutes, Union’s average trip to work is above both the Illinois town median (26 minutes) and the median of U.S. towns (25 minutes). Since 2013, Union has added 984 jobs, to 1,747 in 2023.
| Union | Illinois towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 30 minutes | 26 minutes | 25 minutes |
| Working residents who work in town | 1.9% | 8.3% | 8% |
| Median household income | $90,000 | $83,000 | $80,000 |
| Below the poverty line | 7.5% | 8.4% | 9.6% |
Census LEHD 2023 · ACS
The typical Union home is worth about $440,000, up 8.1% in a year, 49% above the Illinois typical home. 88% of households own their home in Union.
Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center
Union has cold, snowy winters and pleasant summers. July afternoons reach 83°, January nights drop to 14° and about 31 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
2 crimes were reported in Union in 2025: 2 property and 0 violent. In a town this small, a few incidents move the numbers a lot, so rates aren't shown.
Union is small, so we show counts rather than rates.
FBI crime data, 2025 · crimes reported to police
Union beats the Illinois average on 12 of 32 CDC measures and trails it on 1. 20% of Union adults binge drink.
| Union | Illinois towns | U.S. towns | |
|---|---|---|---|
| Binge drink (CDC PLACES) | 20% | 18% | 16% |
| Sleep under 7 hours (CDC PLACES) | 30% | 35% | 36% |
| Frequent physical distress (CDC PLACES) | 11% | 13% | 14% |
| Get no exercise (CDC PLACES) | 18% | 23% | 25% |
| What stands out | Union | IL |
|---|---|---|
| Fewer adults facing food insecurity | 8.2% | 15.9% |
| Fewer older adults who have lost all their teeth | 5.5% | 10.3% |
| More adults who have had cancer | 8.7% | 7.6% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Expected storm and flood damage is lower than in 59% of U.S. communities. Since 1978, 8 flood insurance claims have been paid out in Union.
FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA
0.0 miles of trail in 1 park or preserve.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Verterans Park | — | 5 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Museums, parks, gardens and other places to visit around Union. Close and well known come first.
in town MuseumIllinois Railway Museum
Big draw33 mi Theme parkSix Flags Great America3.0M visitors a year
37 mi Stadium & arenaAllstate Arena
36 mi MuseumMcDonald's #1 Store Museum
35 mi TheatreAlpine Valley Music Theatre
38 mi MuseumMorton ArboretumIllinois Railway Museum: The original uploader was Slambo at English Wikipedia., CC BY-SA 2.0 · Six Flags Great America: Feather Better, CC BY 4.0 · Allstate Arena: Nkon21, CC BY-SA 4.0 · McDonald's #1 Store Museum: Bruce Marlin, CC BY-SA 2.5 · Alpine Valley Music Theatre: chad davis, CC BY-SA 2.0 · Morton Arboretum: Bruce Marlin, CC BY-SA 2.5
1 within 15 miles of the center of Union
About 7 of every 100 Union residents are enrolled in college, about the same as Illinois.
Where Union’s working residents go each day. Line width shows the share.
Census LEHD 2023
Village in McHenry County, Illinois, United States
Union is a village in McHenry County, Illinois, United States. The population was 551 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Union has fewer than 1,000 residents, too few for fair grades; the figures below are still real.