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The Commemorative Quarter for California





Welcome to San Joaquin ...

The city of San Joaquin is located in Fresno County<1>.

While we don't have a date for the founding of San Joaquin, you might consider that their post office opened  in 1913.

The city was incorporated February 14, 1920.

From the  Census Estimates for 2019, San Joaquin has a population of 4,023 people<2> (see below for details).

San Joaquin is 170 feet [52 m] above sea level.<3>.

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

Area Code for San Joaquin: 559

The ZIP code for San Joaquin: 93660<4>

Population Details ...

Taken from the 2019 Census Estimates, San Joaquin had an population of 4,023 people. This is an increase of 0.55% since the 2010 Census (or an increase of 23.03% since the 2000 Census).

At the time of the 2010 Census, San Joaquin had a population of 4,001 people. This makes San Joaquin the county's 15th most populous community.

The population of San Joaquin represents 0.01% of the total population of California (which has 37,253,956 people), making it the state's 435th most populous community.

With a 2010 count of 4,001 people, the population of San Joaquin increased 22.35% from the 2000 Census (which had a count of 3,270 people).

More information can be found on the Census Page for San Joaquin.

Communities Also Named San Joaquin ...

While we believe that this San Joaquin is located in Fresno County, we know of another 2 California communities named San Joaquin. Those communities are located in the following counties: Orange and San Benito County.

For more information, see our Tidbits & Trivia Page for San Joaquin.

Websites for San Joaquin ...

Official Website: www.cityofsanjoaquin.org/

Communities near San Joaquin ...

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

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 San Joaquin. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for San Joaquin.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of San Joaquin. 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 San Joaquin.

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

TripAdvisor Tourism Pages for San Joaquin ...

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

Adding San Joaquin to Our Gazetteer ...

We originally found mention of San Joaquin 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 San Joaquin was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

X2X - From that list, the San Joaquin post office opened in 1913.

For more details, see References and Mentions for San Joaquin.

The official website for San Joaquin: www.cityofsanjoaquin.org/

The official website for Fresno County: www.co.fresno.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 Fresno, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for San Joaquin.
<3>The elevation is an estimate for the area around San Joaquin - it will be higher in some places and lower in others.
<4>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 San Joaquin). When looking for a ZIP Code, whether San Joaquin or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>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.
<7>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