Skip to content
Beacon CRE

Solano County, CA: population growth, jobs and income

Solano County gained 300 residents between 2024 and 2025 (+0.1%).

Solano County had an estimated 455,376 residents in 2025, up 0.5% (2,481 more people) since 2020. That is faster than California as a whole (−0.4%), and the 20th fastest growth of 58 counties in California.

Data as of 2025 · updated

See page 1 free (PDF)

14-day full refund · Stripe, Apple Pay or Google Pay · Instant PDF + CSV · Sold by Simply Stats LLC (NC)

How we compute every number · Refund terms

In the Solano County report

One-time $99 PDF: everything on this page for Solano County, ranked against California and the U.S., plus these figures that are not on the free page:

  • Median gross rent$2,163/mo2020–24
  • Vacant homes, incl. seasonal and second homes4.4%2020–24
  • New homes permitted, last 12 months7532025-10/2026-09
  • Rent growth, 5 yearsIn the report
  • Permits in 5+ unit buildingsIn the report
  • IRS income moving in (net AGI)In the report
  • Neighbouring-county comparison tableIn the report

What's inside: 5 pages

  1. 1 Summary, headline numbers and ranks (free preview)
  2. 2 Ranks and the neighbouring-county table
  3. 3 Migration, with IRS mover and income flows
  4. 4 Rent, vacant homes, permits and employers
  5. 5 Every source and the methods
See every page of a sample report

Want Pro for California? Get notified

Headline numbers

What the numbers say

Net domestic migration was negative in 2025: 1,264 more people moved out to other U.S. counties than moved in.

Private employers had 122,010 paid employees in mid-March 2023, +5.7% since 2018 (County Business Patterns).

Unemployment averaged 5.3% in 2025, 1.6 points higher than in 2019 (before the pandemic).

Builders were authorized to start 881 new homes in 2025, or 1.9 per 1,000 residents.

Median household income was $100,401 in the 2020–24 American Community Survey, +18.6% since 2016–20.

Across the 3,107 U.S. counties with a comparable estimate, its population growth ranks 1,696th.

Part of the Vallejo, CA metro area.

Get Solano County’s next numbers by email

Email me when Solano County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.

We use your address only to email you when new data for Solano County is out: what changed, with a link to that county's report. No newsletter, no other sales emails. Delete it any time with the link in every email. We'll email you a link to confirm first; nothing starts until you click it. Privacy notice.

Solano County population by year

Resident population, July 1 estimate (Census Bureau)
YearPopulationChange
2025455,376+300
2024455,076+3,699
2023451,377+1,525
2022449,852−1,196
2021451,048−1,847
2020452,895–

Census Bureau population estimates, July 1 of each year.

What drove the change in Solano County

Solano County grew by 2,481 people since 2020 even though 10,190 more residents moved to other U.S. counties than came from them: births outnumbered deaths by 4,270, and net international migration added 8,428.

Components of population change, people (Census Bureau)
Component20252020–25Share
Natural changebirths minus deaths+750+4,270
International migrationfrom and to other countries+790+8,428
Domestic migrationfrom and to other U.S. counties−1,264−10,190
Census adjustmentbalancing residual+24−27
Total change+300+2,481

Census Bureau population estimates, components of change, each year July 1 to June 30. The components add up to the change in the estimate; the Census adjustment is the small balancing figure the Bureau publishes.

How it ranks

MeasureIn CaliforniaAmong U.S. counties
Population growth20th of 581,696th of 3,107
Net domestic migration per 1,000 residents25th of 582,319th of 3,108
Private-sector job growth31st of 581,127th of 3,092
Median household income17th of 58167th of 3,107
Lowest unemployment rate21st of 582,651st of 3,108
New homes permitted per 1,000 residents35th of 581,567th of 3,005

1st = highest (lowest for unemployment). Counties are ranked only against others with a figure for the same period.

Get the county report — $99

The County Growth and Demographics Report for Solano County, CA as a PDF, from federal data: population and migration, housing and rents, permits, private employers and jobs, unemployment, ranks in the state and the country, and neighbouring counties, with a source next to every number. Pay once, no subscription.

Add 2 neighbouring counties for $50: the Sacramento County and Contra Costa County reports too, $149 for all 3.

Choose other neighbouring counties

Preview page 1 of the Solano County report (free, PDF) · See a full 5-page sample (PDF) · Other counties and options

Every purchase also includes a CSV of every table in the report, ready for a spreadsheet.

Refund terms: Terms. · How we compute every number

Neighbouring counties

Over 2020–25, Solano County's population change (+0.5%) was ahead of 4 of its 6 neighbouring counties and behind 2 (Yolo County and Sacramento County).

4 of its 6 neighbouring counties had a higher median household income than Solano County's $100,401 (2020–24).

Solano County, CA and its 6 neighbouring counties: public federal figures
CountyPopulation2025Population change2020–25Net domestic migration per 1,000 residents2025Homes permitted per 1,000 residents2025Median household income2020–24
Solano County, CA This county455,376+0.5%−2.81.9$100,401
Yolo County, CA224,410+3.1%−2.91.8$91,752
Contra Costa County, CA1,170,070+0.3%−5.71.0$127,229
Napa County, CA132,949−3.3%−1.62.7$111,471
Sacramento County, CA1,618,460+2.0%−2.24.1$92,175
Marin County, CA253,694−2.9%−10.90.6$149,091
Sonoma County, CA486,444−0.4%1.13.5$104,674

Census Bureau population estimates and building permits, American Community Survey 5-year income. Rates per 1,000 residents. – means no figure, or a base too small for a change or rate (it would swing on a few people). A figure from another period shows its year and is left out of the comparison.

All 58 California counties · Every state

Questions

Is Solano County growing?

Yes. Its population grew 0.5% between 2020 and 2025, about 2,481 more people (Census Bureau population estimates). California as a whole changed −0.4% over the same years. That ranks 20th of 58 counties in California for population growth.

How many people moved to Solano County?

On net, none in 2025: about 1,264 more people moved out to other U.S. counties than moved in (Census Bureau net domestic migration estimate).

What is the unemployment rate in Solano County?

It averaged 5.3% in 2025 (BLS Local Area Unemployment Statistics, annual average).

What is the population of Solano County?

About 455,376 people, according to the U.S. Census Bureau's population estimate for July 1, 2025.

How many jobs are in Solano County?

Private employers there had 122,010 paid employees in mid-March 2023, +5.7% since 2018 (Census Bureau County Business Patterns; government jobs and the self-employed are not counted).

What Beacon CRE covers in California

Map, parcel and listing layers cover North and South Carolina only for now. This page and the other California county pages carry the public federal growth figures.

Solano County data alerts

Email me when Solano County gets new Census numbers: population, building permits, jobs and income. About 4 emails a year, one click to stop.

We use your address only to email you when new data for Solano County is out: what changed, with a link to that county's report. No newsletter, no other sales emails. Delete it any time with the link in every email. We'll email you a link to confirm first; nothing starts until you click it. Privacy notice.

Sources and method

Each number shows its own period. Changes compare the latest period with five years earlier (or the earliest period available). Beacon CRE last refreshed these figures on 2026-11-05. Figures come from public federal statistics and are informational only, not investment advice. Check the source before relying on a number. Methodology: how we compute every number. More on every layer: data sources and licences.

Jobs outside North and South Carolina use County Business Patterns (paid private-sector employees in mid-March); wages and government jobs are not included.