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Union, Illinois
Downtown Union
Downtown Union
Location in McHenry County, Illinois
Location in McHenry County, Illinois
Union, Illinois is located in the United States
Union, Illinois
Union, Illinois
Location in the United States
Country United States
State Illinois
County McHenry
Township Coral
Area
 • Total 0.84 sq mi (2.17 km2)
 • Land 0.84 sq mi (2.17 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
842 ft (257 m)
Population
 (2020)
 • Total 551
 • Density 659.09/sq mi (254.36/km2)
Time zone UTC-6 (CST)
 • Summer (DST) UTC-5 (CDT)
ZIP code
60180
Area code(s) 815
FIPS code 17-76706
Wikimedia Commons Union, Illinois

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

History

A post office called Union has been in operation since 1852. The village was named for the federal union of the United States.

Geography

Union is located in southwestern McHenry County at 42°14′7″N 88°32′33″W / 42.23528°N 88.54250°W / 42.23528; -88.54250 (42.235237, -88.542379). It is 3.5 miles (5.6 km) southeast of Marengo, 13 miles (21 km) west of Crystal Lake, and 22 miles (35 km) northwest of Elgin.

According to the U.S. Census Bureau, Union has a total area of 0.84 square miles (2.18 km2), all land. The village drains to the north toward the South Branch of the Kishwaukee River, part of the Rock River watershed.

Demographics

Historical population
Census Pop.
1880 156
1900 322
1910 432 34.2%
1920 399 −7.6%
1930 367 −8.0%
1940 327 −10.9%
1950 435 33.0%
1960 480 10.3%
1970 579 20.6%
1980 622 7.4%
1990 542 −12.9%
2000 576 6.3%
2010 580 0.7%
2020 551 −5.0%
U.S. Decennial Census

2020 census

Union, Illinois – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 2000 Pop 2010 Pop 2020 % 2000 % 2010 % 2020
White alone (NH) 550 542 481 95.49% 93.45% 87.30%
Black or African American alone (NH) 0 4 0 0.00% 0.69% 0.00%
Native American or Alaska Native alone (NH) 1 1 0 0.17% 0.17% 0.00%
Asian alone (NH) 0 6 6 0.00% 1.03% 1.09%
Pacific Islander alone (NH) 0 0 0 0.00% 0.00% 0.00%
Some Other Race alone (NH) 0 0 0 0.00% 0.00% 0.00%
Mixed race or Multiracial (NH) 2 4 16 0.35% 0.69% 2.90%
Hispanic or Latino (any race) 23 23 48 3.99% 3.97% 8.71%
Total 576 580 551 100.00% 100.00% 100.00%

Points of interest

Union was the site of the world's first fully automatic electrical substation, on the current site of the water tower just east of Main Street.

Union is home to the Illinois Railway Museum and the McHenry County Historical Society. It was formerly the home of Donley's Wild West Town amusement park, now closed.

Notable person

Media

The Marengo-Union Times is the newspaper of record in Union; it has a circulation of 6,300 and is mailed to every home and business in the greater Marengo and Union area. For cable television, Union is served by Charter Communications instead of Comcast, like the rest of the Chicago Metropolitan Area.

See also

Kids robot.svg In Spanish: Union (Illinois) para niños

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