A Gazetteer for the United States and Canada
Union City, California
Welcome to Union City ...
From the Census Estimates for 2019, Union City has a population of 75,324 people<2> (see below for details).
While we don't have a date for the establishment of Union City, you might get a feel for its founding by knowing that they incorporated January 26, 1959.
In the past, Union City was named Decoto
Union City is 90 feet [27 m] above sea level.<3>.
Time Zone: Union City lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time
Union City is within the (510) area code.
The ZIP code for Union City: 94587<4>
Websites for Union City ...
Official Website: www.ci.union-city.ca.us/
Population Details ...
Taken from the 2019 Census Estimates, Union City had an population of 75,324 people. This is an increase of 8.35% since the 2010 Census (or an increase of 12.64% since the 2000 Census).
At the time of the 2010 Census, Union City had a population of 69,516 people. This makes Union City the county's 9th most populous community.
The population of Union City represents 0.19% of the population of California (which has 37,253,956 people), making it the state's 114th most populous community.
With a 2010 count of 69,516 people, the population of Union City increased 3.96% from the 2000 Census (with a count of 66,869 people).
More information can be found on the Census Page for Union City.
Communities Also Named Union City ...
Using our Gazetteer, we have found that there are 22 communities that are also named Union City - they are located in Arkansas, Connecticut, Florida, Georgia, Indiana, Kansas (6), Kentucky (2), Michigan, Missouri (2), New Jersey, Ohio, Oklahoma, Pennsylvania, Tennessee and West Virginia.
For more information, see our Tidbits & Trivia Page for Union City.
Communities near Union City ...
We have created a list of 10 communities that are near Union City.
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 City. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Union City.
Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Union City. 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 City.
We also have a detailed list of newspapers that have been published in the area around Union City. See our Newspapers Page for Union City.
TripAdvisor Tourism Pages for Union City ...
Looking for more information about Union City? 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 City, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Union City.
Other Roadside Stops ...
Off-the-Road Links ...
The official website for Union City: www.ci.union-city.ca.us/
The official website for Alameda County: www.acgov.org/
The official website for State of California: https://www.ca.gov/
Please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.
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This page was last modified: 18 Sep 2021