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The Commemorative
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The Commemorative Quarter for California





Welcome to Calexico ...

The city of Calexico is located in Imperial County<1>.

Calexico was founded in 1899 and was incorporated April 16, 1908.

The origin (or the toponymy) of Calexico: The name Calexico is a portmanteau<2> and it reflects the fact that the city lies just north of the border of California and Mexico. Calexico lies on the California side of the border while Mexicali, its sister city, is in Mexico.

When the people of Calexico refer to themselves (known as a demonym), they frequently use Calexicote<3>

From the  Census Estimates for 2019, Calexico has a population of 39,745 people<4> (see below for details).

The community of Calexico is near sea level<5>.

Time Zone: Calexico lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

Note: If you travel east from Calexico (for example, toward Somerton (AZ)), you will leave Pacific Time and cross into the Mountain Standard Time Zone (MST). In addition, you will be moving from an area that observes daylight saving time to one that does not.

Area Codes for Calexico: 760 & 442<6>

The ZIP codes for Calexico: 92231-92232<7>

Population Details ...

Taken from the 2019 Census Estimates, Calexico had an population of 39,745 people. This is an increase of 3.04% since the 2010 Census (or an increase of 46.61% since the 2000 Census).

At the time of the 2010 Census, Calexico had a population of 38,572 people (which is 22.08% of the total population of Imperial County). This makes Calexico the county's 2nd most populous community.

The population of Calexico represents 0.1% of the population of California (which has 37,253,956 people), making it the state's 201st most populous community.

With a 2010 count of 38,572 people, the population of Calexico increased 42.28% from the 2000 Census (with a count of 27,109 people).

More information can be found on the Census Page for Calexico.

Websites for Calexico ...

Official Website: www.calexico.ca.gov/

Communities near Calexico ...

We have created a list of 10 communities that are near Calexico.

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We're compiling a list of cemeteries that are in the area around Calexico. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Calexico.

We have a detailed list of newspapers that have been published in the area around Calexico. See our Newspapers Page for Calexico.

TripAdvisor Tourism Pages for Calexico ...

Looking for more information about Calexico? 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 Calexico, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Calexico.

Adding Calexico to Our Gazetteer ...

We originally found mention of Calexico 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 Calexico was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<11>

X2X - From that list, the Calexico post office opened in 1902.

We also found Calexico mentioned on a train schedule titled Southern Pacific Railroad Time Tables (March 1908).

For more details, see References and Mentions for Calexico.

The official website for Calexico: www.calexico.ca.gov/

The official website for Imperial County: www.co.imperial.ca.us/

The official website for State of California: https://www.ca.gov/

Footnotes ...

<1>If you're interested in how the shape of California's counties, including Imperial, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>A portmanteau (such as Calexico) is the combination or contraction of two (or more) words, their sound and the meaning of those words to create a new word. For example, smoke and fog becomes smog.
<3>A demonym is the name for a resident of a community which is usually derived from (or is related to) the name of that community. In other words, it's how the residents of Calexico refer to themselves. It's important to note that there aren't any rules for taking a city's name and turning it into a demonym. A demonym is informal and while the majority of Calexico may use one name, keep in mind that others may use something different.
<4>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Calexico.
<5>The elevation is an estimate for the area around Calexico - it will be higher in some places and lower in others.
<6>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 760 code has been Overlayed with the 442 area code. New phone numbers in the Calexico area will be assigned with one of these codes: 760 or 442. As a result, placing a call in the Calexico area will require 10-digit dialing (where you enter both the area code and then the phone number).
<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 city (such as Calexico). When looking for a ZIP Code, whether Calexico or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

Our list of ZIP Codes for Calexico includes: 92231 & 92232.
<8>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<9>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
<10>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.
<11>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/




 

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This page was last modified/updated: 28 Apr 2025