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Welcome to Suisun City (aka 'Suisun') ...

The city of Suisun City is located in Solano County<1>.

While we don't have a date for the founding of Suisun City, you might consider that their post office opened  in 1857.

The city was incorporated October 9, 1868.

From the  Census Estimates for 2019, Suisun City has a population of 29,513 people<2> (see below for details).

Suisun City is near sea level<3>.

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

Suisun City is within the (707) area code.

The ZIP code for Suisun City: 94585<4>

The city of Suisun City has also been called Suisun.

Websites for Suisun City ...

Official Website:

Population Details ...

Taken from the 2019 Census Estimates, Suisun City had an population of 29,513 people. This is an increase of 4.99% since the 2010 Census (or an increase of 13% since the 2000 Census).

At the time of the 2010 Census, Suisun City had a population of 28,111 people (which is 6.8% of the total population of Solano County). This makes Suisun City the county's 4th most populous community.

The population of Suisun City represents 0.08% of the population of California (which has 37,253,956 people), making it the state's 246th most populous community.

With a 2010 count of 28,111 people, the population of Suisun City increased 7.63% from the 2000 Census (with a count of 26,118 people).

More information can be found on the Census Page for Suisun City.

Communities near Suisun City ...

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

  • Concord
    (18 miles [29 km] to the south)
  • Vallejo
    (15 miles [24.1 km] to the southwest)
  • Vacaville
    (8 miles [12.9 km] to the north)
  • Napa
    (14 miles [22.5 km] to the west)
  • Pittsburg
    (16 miles [25.7 km] to the southeast)
  • Martinez
    (16 miles [25.7 km] to the south)
  • Benicia
    (14 miles [22.5 km] to the southwest)
  • American Canyon
    (12 miles [19.3 km] to the west)
  • Dixon
    (18 miles [29 km] to the northeast)
  • Rio Vista
    (19 miles [30.6 km] to the east)

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

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

We also have a detailed list of newspapers that have been published in the area around Suisun City. Our list includes 12 papers. See our Newspapers Page for Suisun City.

TripAdvisor Tourism Pages for Suisun City ...

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

Adding Suisun City to Our Gazetteer ...

We originally found mention of Suisun City 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 Suisun City was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

From that list, the Suisun City post office opened in 1857.

We also found Suisun City in the book titled List of Post Offices in the United States (1870).

For more details, see References and Mentions for Suisun City.

The official website for Suisun City:

The official website for Solano County:

The official website for State of California:

Footnotes ...

<1>If you're interested in how the shape of California's counties, including Solano, 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 Suisun City.
<3>The elevation is an estimate for the area around Suisun City - 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 Suisun City). When looking for a ZIP Code, whether Suisun City 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>A copy of their list with background information can be found at:




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This page was last modified/updated: 21 Nov 2023