Union, Illinois

Union: a city in Mason County, Illinois.

About

Union is a city located in the county of Mason in the U.S. state of Illinois.

Quick Facts about Union

State Illinois (United States)
County Mason County
Latitude & Longitude 40.3909,-89.8096
Time Zone America/Chicago
Local time 06:29:58 (6th November 2026)
Weather 40℉ Slight Chance Light Rain then Mostly Cloudy 7-days weather

Geography

Union is located at 40°23'27"N 89°48'34"W (40.3908700, -89.8095600).

Union map

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Weather

40°F
Slight Chance Light Rain then Mostly Cloudy
6 to 9 mph NNW Thursday Night

A slight chance of rain before 8pm. Mostly cloudy, with a low around 40. North northwest wind 6 to 9 mph, with gusts as high as 18 mph.

7-Day Forecast

Nearby Schools and Colleges

Schools and campuses linked to Union, IL. Select a name to open its map and contact details.

Code Name City ZIP
145354 Graham Hospital School of Nursing Canton (IL) 61520-2497

Nearby Transit Stations (10)

Rail and bus stations connected to Union, IL. Select a station to open its map and address details.

Code Name Address Type
PIA Peoria, Illinois 6100 West Everett M. Dirksen Parkway BUS
LCN Lincoln Broadway and North Chicago Sts. RAIL
SPI Springfield station East Washington and North Third Sts. RAIL
BNL Uptown Station 100 East Parkinson St. RAIL
MAC Macomb 120 East Calhoun Street RAIL

Closest post offices linked to Union.

Post Office Name City ZIP
Forest City Post Office Forest City (IL) 61532

Other places with the same name (10)

  • Union, New Jersey A city in Union County, New Jersey. with a population of 67,137 people.
  • Union, New York town in Broome County, New York, United States. with a population of 52,262 people.
  • Union, Missouri city in and county seat of Franklin County, Missouri, United States. with a population of 12,094 people.
  • Union, Ohio city in Montgomery and Miami Counties in the U.S. state of Ohio. with a population of 6,909 people.
  • Union, Kentucky township in Boone County, Iowa. with a population of 6,116 people.
  • Union, Pennsylvania township in southeastern Union County, Pennsylvania. with a population of 5,661 people.
  • Union, Maine town in Knox County, Maine, United States. with a population of 2,275 people.
  • Union, Oregon township of Union County, New Jersey. with a population of 2,207 people.
  • Union, Indiana city in Indiana, United States of America. with a population of 2,160 people.
  • Union, Mississippi county in Mississippi, United States. with a population of 1,876 people.

Other cities in Mason County

Cities, towns, neighborhoods & other populated places in Mason County , IL.

City Name Population Title
Havana 2,945 City in Mason County, Illinois, United States
Mason City 2,088 Township in Mason County, Illinois
Manito 1,467 Human settlement in Illinois, United States of America