Welcome to Union ...
The village of Union is located in McHenry County<1>.
The location of Union has been provided by the Geographic Names Information System (ie- the GNIS).<2>
The pronunciation of Union: UN-yuhn<3>
While we don't have a date for the founding of Union, you might consider that their post office opened in 1852.
From the Census Estimates for 2019, Union has a population of 550 people<4> (see below for details).
Union is 830 feet [253 m] above sea level.<5>.
Time Zone: Union lies in the Central Time Zone (CST/CDT) and observes daylight saving time
Area codes for Union: (815) and (779)<6>
The ZIP code for Union: 60180<7>
Population Details ...
Taken from the 2019 Census Estimates, Union had an population of 550 people. This is a decrease of 5.17% since the 2010 Census (or a decrease of 4.51% since the 2000 Census).
At the time of the 2010 Census, Union had a population of 580 people. This makes Union the county's 25th most populous community.
With a 2010 count of 580 people, the population of Union has remained roughly the same as the 2000 Census (with a count of 576 people).
More information can be found on the Census Page for Union.
Communities Also Named Union ...
While we believe that this Union is located in McHenry County, we know of another 4 Illinois communities named Union. Those communities are located in the following counties: Clark, Logan, Mason and Will County.
Beyond Illinois, there are 121 communities that are also named Union - they are located in Alabama (10), Arizona, Arkansas (5), California (3), Colorado, Connecticut, Florida, Georgia (10), Indiana, Iowa (2), Kansas (5), Kentucky (3), Louisiana, Maine, Michigan, Minnesota, Mississippi (6), Missouri (3), Montana, Nebraska, Nevada, New Hampshire, New Jersey (3), New Mexico, New York (3), North Carolina (5), North Dakota, Nova Scotia, Ohio (3), Oklahoma (3), Ontario (4), Oregon, Pennsylvania, Prince Edward Island, South Carolina (4), Tennessee (6), Texas (9), Utah, Virginia (2), Washington (2), West Virginia (3) and Wisconsin (3).
For more information, see our Tidbits & Trivia Page for Union.
Communities near Union ...
We have created a list of 10 communities that are near Union.
- Elgin
(18 miles [29 km] to the southeast)- Jump to our Gazetteer entry for Elgin
- Elgin is located in Kane County
- Population from the 2020 Census: 110,196 people
- Jump to TripAdvisor's Tourism page for Elgin <8>
- Crystal Lake
(10 miles [16.1 km] to the east)- Note: The GPS coordinates that we are using for Crystal Lake have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Crystal Lake
- Crystal Lake is located in McHenry County
- Population from the 2020 Census: 39,642 people
- Jump to TripAdvisor's Tourism page for Crystal Lake <8>
- Carpentersville
(15 miles [24.1 km] to the southeast)- Note: The GPS coordinates that we are using for Carpentersville have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Carpentersville
- Carpentersville is located in Kane County
- Population from the 2020 Census: 36,940 people
- Jump to TripAdvisor's Tourism page for Carpentersville <8>
- Algonquin
(13 miles [20.9 km] to the east)- Jump to our Gazetteer entry for Algonquin
- Algonquin is located in McHenry County
- Population from the 2020 Census: 30,730 people
- Jump to TripAdvisor's Tourism page for Algonquin <8>
- Lake-in-the-Hills
(12 miles [19.3 km] to the east)- Note: The GPS coordinates that we are using for Lake-in-the-Hills have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Lake-in-the-Hills
- Lake-in-the-Hills is located in McHenry County
- Population from the 2020 Census: 28,345 people
- Jump to TripAdvisor's Tourism page for Lake-in-the-Hills <8>
- Huntley
(7 miles [11.3 km] to the southeast)- Note: The GPS coordinates that we are using for Huntley have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for Huntley
- Huntley is located in McHenry County
- Population from the 2020 Census: 27,256 people
- Jump to TripAdvisor's Tourism page for Huntley <8>
- McHenry
(14 miles [22.5 km] to the northeast)- Note: The GPS coordinates that we are using for McHenry have been provided by the GNIS.<2> The coordinates still need to be verified.
- Jump to our Gazetteer entry for McHenry
- McHenry is located in McHenry County
- Population from the 2020 Census: 27,100 people
- Jump to TripAdvisor's Tourism page for McHenry <8>
- Woodstock
(7 miles [11.3 km] to the northeast)- Jump to our Gazetteer entry for Woodstock
- Woodstock is located in McHenry County
- Population from the 2020 Census: 25,097 people
- Jump to TripAdvisor's Tourism page for Woodstock <8>
- Belvidere
(15 miles [24.1 km] to the west)- Jump to our Gazetteer entry for Belvidere
- Belvidere is located in Boone County
- Population from the 2020 Census: 24,731 people
- Jump to TripAdvisor's Tourism page for Belvidere <8>
- Sycamore
(17 miles [27.4 km] to the southwest)
To Help With Your Genealogy Research ...
We have a couple of sections for those tracing their genealogy.
We created a list of cemeteries that are in the area around Union. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Union.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Union. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Union.
We also have a detailed list of newspapers that have been published in the area around Union. See our Newspapers Page for Union.
TripAdvisor Tourism Pages for Union ...
Looking for more information about Union? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.
In addition to the Tourism page for Union, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Union.
Adding Union to Our Gazetteer ...
We originally found mention of Union in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.
From our notes, the earliest published mention we've found for Union was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<9>
From that list, the Union post office opened in 1852.
We also found Union on a map (with an unknown title) dated 1870.
For more details, see References and Mentions for Union.
Off-the-Road Links ...
Unfortunately, we don't know of a website for Union. If you can help, please contact us through our Feedback Page.
The official website for McHenry County: www.co.mchenry.il.us/
The official website for State of Illinois: https://illinois.gov
Footnotes ...
| <1> | If you're interested in how the shape of Illinois' counties, including McHenry, have changed over time, we recommend the Atlas of Historical County Boundaries. |
| <2> | The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required. |
| <3> | The pronunciation we've provided is our attempt to give a phonetic pronunciation for Union. While it might not be exactly right, hopefully it will be close. If we have it wrong or there's a better way to pronounce the name, please contact us through our Feedback Page. |
| <4> | Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Union. |
| <5> | The elevation is an estimate for the area around Union - it will be higher in some places and lower in others. |
| <6> | Area code (779) is an overlay for area code (815). |
| <7> | ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a village (such as Union). When looking for a ZIP Code, whether Union or elsewhere, it's always best to check the website of the United States Postal Service (USPS). |
| <8> | While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program. |
| <9> | A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/ |