About Solano County
Solano County is a city located in United States, in the California region. According to the latest available data (2026), the population of Solano County is approximately 453,491 residents, making it the #165 most populous city in United States.
Globally, Solano County ranks #4,101 among the world's most populated cities.
Solano County City Statistics
| City | Solano County |
| Country |  United States |
| Population | 453,491 |
| Global Rank | #4,101 |
| Rank in United States | #165 of 867 cities |
| City Category | city |
| Region | California |
| Latitude | 38.27 |
| Longitude | -121.94 |
| Data Year | 2026 |
Where is Solano County Located?
Solano County is located in United States, in the California region, at coordinates 38.27° latitude and -121.94° longitude. Solano County sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Solano County?
The population of Solano County is approximately 453,491 residents according to the latest available data (2026).
Where is Solano County located?
Solano County is located in United States at approximately 38.27° latitude and -121.94° longitude.
Is Solano County one of the largest cities in United States?
With a population of 453,491, Solano County is one of the notable urban areas in United States. It ranks #165 out of 867 cities in the country.
