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Welcome to Solano County ...

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

The community of Fairfield is the Seat for Solano County.

Solano County is one of the original counties of California and was founded in 1850.

From the Census Estimates for 2019, <1> Solano had a population of 447,643 people. This is an increase of 8.13% since the last Census (which gave a population of 413,967 people in 2010).

At the time of the 2010 Census, Solano represented 1.11% of the total population of California.

Below are some of the communities located in Solano County:

  • Benicia
    (13 miles [20.9 km] to the southwest)
    • Jump to our Gazetteer entry for Benicia
    • Benicia is located in Solano County (CA)
    • Population from the 2020 Census: 27,988 people
    • Jump to TripAdvisor's Tourism page for Benicia <2>
  • Dixon
    (19 miles [30.6 km] to the northeast)
    • Jump to our Gazetteer entry for Dixon
    • Dixon is located in Solano County (CA)
    • Population from the 2020 Census: 20,440 people
    • Jump to TripAdvisor's Tourism page for Dixon <2>
  • Fairfield
    (Less than 2 miles to the northeast)
  • Rio Vista
    (20 miles [32.2 km] to the east)
  • Suisun City
    (Less than 2 miles to the northeast)
    • Jump to our Gazetteer entry for Suisun City
    • Suisun City is located in Solano County (CA)
    • Population from the 2020 Census: 29,305 people
    • Suisun City has also been known as:
    • Suisun
    • Jump to TripAdvisor's Tourism page for Suisun City <2>
  • Vacaville
    (9 miles [14.5 km] to the northeast)
  • Vallejo
    (14 miles [22.5 km] to the southwest)
    • Jump to our Gazetteer entry for Vallejo
    • Vallejo is located in Solano County (CA)
    • Population from the 2020 Census: 120,747 people
    • Jump to TripAdvisor's Tourism page for Vallejo <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
 

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This page was last modified/updated: 23 Mar 2025