Ranking of Solano, CA Cities and Places By population in 2020
Updated on June 27, 2025.
Based on the US Census Vintage data estimates, in 2020, among all Solano, CA cities and places, Vallejo city had the highest population (125.93K), followed by Fairfield city (119.89K), and Vacaville city (102.15K).
The chart below shows the top 8 cities and places, and the table below shows the ranking of all Solano cities and places.
You can see similar information for other California counties. You can also see the ranking of all cities and places in California.
Data Source: US Census Bureau (Vintage).
Ranking of Solano, CA Cities and Places By population in 2020
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Vallejo city | 125930 |
| 2 | Fairfield city | 119890 |
| 3 | Vacaville city | 102147 |
| 4 | Suisun City city | 29478 |
| 5 | Benicia city | 27107 |
| 6 | Dixon city | 19352 |
| 7 | Balance of Solano County | 18975 |
| 8 | Rio Vista city | 10008 |