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The Commemorative Quarter for California







Welcome to Sonoma ...

The city of Sonoma is located in Sonoma County<1>.

While we don't have a date for the founding of Sonoma, you might consider that their post office opened  in 1849.

The city was incorporated September 3, 1883.

From the  Census Estimates for 2019, Sonoma has a population of 11,050 people<2> (see below for details).

Sonoma is 70 feet [21 m] above sea level.<3>.

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

Area Codes for Sonoma: 707 & 369<4>

The ZIP code for Sonoma: 95476<5>

Population Details ...

Taken from the 2019 Census Estimates, Sonoma had an population of 11,050 people. This is an increase of 3.78% since the 2010 Census (or an increase of 21.06% since the 2000 Census).

At the time of the 2010 Census, Sonoma had a population of 10,648 people. This makes Sonoma the county's 6th most populous community.

The population of Sonoma represents 0.03% of the population of California (which has 37,253,956 people), making it the state's 363rd most populous community.

With a 2010 count of 10,648 people, the population of Sonoma increased 16.65% from the 2000 Census (with a count of 9,128 people).

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

Communities Also Named Sonoma ...

Using our Gazetteer, we found that there are 5 communities that are also named Sonoma - they are located in Alabama, Maryland, Michigan, North Carolina and Texas.

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

Websites for Sonoma ...

Official Website:   www.sonomacity.org/

Junior League:   www.jlns.org/

Communities near Sonoma ...

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

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

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

We also have a detailed list of newspapers that have been published in the area around Sonoma. Our list includes 6 papers. See our Newspapers Page for Sonoma.

TripAdvisor Tourism Pages for Sonoma ...

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

Adding Sonoma to Our Gazetteer ...

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

X2X - From that list, the Sonoma post office opened in 1849.

We also found Sonoma in the book titled Table of U.S. Post Offices in the United States (Jan. 1851).

For more details, see References and Mentions for Sonoma.

The official website for Sonoma: www.sonomacity.org/

The official website for Sonoma County: www.sonoma-county.org/

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 Sonoma, 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 Sonoma.
<3>The elevation is an estimate for the area around Sonoma - it will be higher in some places and lower in others.
<4>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 707 code has been Overlayed with the 369 area code. New phone numbers in the Sonoma area will be assigned with one of these codes: 707 or 369. As a result, placing a call in the Sonoma area will require 10-digit dialing (where you enter both the area code and then the phone number).
<5>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 Sonoma). When looking for a ZIP Code, whether Sonoma or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<6>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<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