Market insights · California
Solano County, CA: growth, migration and housing
Solano County has 455,376 residents, up 0.6% since 2020 (+0.1% in the last year). In 2022–2023, 11,203 households moved in and 11,373 moved out (-170 net), while a net $1.2M of income left. Median household income is $100,401, the median home $617,700 and median rent $2,163 a month.
In California: 20th of 58 counties for 5-year population growth · 15th of 58 counties for net in-migration (per resident) · 17th of 58 counties for median household income · 23rd of 58 counties for median home value.
Where new residents came from
Top counties by households (tax returns) moving to Solano County, 2022–2023 (IRS).
| From | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Contra Costa County, CA | 2,151 | $177.9M |
| Alameda County, CA | 995 | $85.5M |
| Napa County, CA | 796 | $56.0M |
| Sacramento County, CA | 739 | $47.9M |
| Yolo County, CA | 422 | $29.0M |
| San Francisco County, CA | 381 | $32.3M |
| San Mateo County, CA | 381 | $36.1M |
| Santa Clara County, CA | 313 | $33.9M |
Where leavers went
Top counties by households leaving Solano County, 2022–2023 (IRS).
| To | Households (tax returns) | Their income (AGI) |
|---|---|---|
| Contra Costa County, CA | 1,294 | $101.3M |
| Sacramento County, CA | 1,057 | $66.7M |
| Alameda County, CA | 690 | $43.7M |
| Napa County, CA | 567 | $39.6M |
| Yolo County, CA | 461 | $31.1M |
| San Francisco County, CA | 349 | $22.8M |
| Los Angeles County, CA | 260 | $15.9M |
| Sonoma County, CA | 240 | $18.2M |
BizyFi in Solano County
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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.