Solano County, California Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Solano County, CA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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B
Income Around averageWealthier than 72% of counties in California
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C
Education Below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Solano County | California Avg | U.S. Average |
|---|---|---|---|
| Population | 451,581 | 39,245,658 | 337,468,954 |
| Population density (per sq mi) | 498.6 | 239.4 | 86.4 |
| Population growth (%/yr) | 0.61% | 0.19% | 0.59% |
| Median age | 37.6 | 35.5 | 37.3 |
| Households | 157,452 | 13,531,619 | 130,235,071 |
Population in Solano County grew by 11.0% from 2009 to 2024, reaching 451,581 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Solano County is Millennials, aged 29–44, at 22.9% of residents. That is 0.7 points below California as a whole.
- Gen Z 13–28 93,152 20.6% -1.1 pts
- Millennials 29–44 103,503 22.9% -0.7 pts
- Gen X 45–60 90,688 20.1% +0.2 pts
- Boomers 61–79 75,186 16.6% +1.4 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below California, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.1% of the people living in Solano County and men 49.9%.
- Women 50.1% California 49.9%
- Men 49.9% California 50.1%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Solano County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Solano County has a the economy index of B, which means it is quite prosperous.
| Metric | Solano County | California Avg | U.S. Average |
|---|---|---|---|
| Median household income | $100,378 | $99,161 | $80,455 |
| Income growth (%/yr) | 4.69% | 5.57% | 4.80% |
| Unemployment rate | 6.3% | 6.6% | 5.2% |
The median household income in Solano County is about 1% higher than in California.
Housing
| Metric | Solano County | California Avg | U.S. Average |
|---|---|---|---|
| Median home price | $483,427 | $650,794 | $248,835 |
| Median rent | $2,162 | $2,036 | $1,407 |
| Homeownership rate | 63.0% | 55.9% | 65.2% |
The median home price in Solano County is about 18.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,162 per month for that long.
Commute Time & Mobility
Commuters in Solano County spend about 47 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 197 hours, about 8.2 full days, spent commuting.
| Metric | Solano County | California Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 23.7 | 23.5 | 22.4 |
| Round-trip commute (min) | 47.4 | 47.0 | 44.8 |
| Yearly time spent (hours) | 197 | 196 | 187 |
| Estimated yearly cost | $6,116 | $6,065 | $5,790 |
| Work from home | 12.3% | 17.2% | 15.0% |
| Highway traffic (vehicles/day) | 19,350 | 16,509 | 8,813 |
| Local road traffic (vehicles/day) | 2,287 | 2,449 | 1,355 |
Fastest commutes among counties in
California:
Inyo County (11.1 min), Mono County (12.0 min), Del Norte County (12.1 min).
Slowest:
Alpine County (31.3 min), San Benito County (31.2 min), Contra Costa County (31.0 min).
The average commute time in Solano County is 24 minutes, longer than the 23 minutes in California.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Solano County has a education index of C, which means it is somewhat educated.
| Metric | Solano County | California Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 25.8% | 33.0% | 31.6% |
| Average household size | 2.80 | 2.84 | 2.53 |
Highest education index among counties in
California:
Marin County (0.5), San Francisco County (0.4), Santa Clara County (0.4).
Lowest:
Colusa County (0.2), Merced County (0.2), Glenn County (0.2).
Health
Solano County has a health index of B, which means it is quite healthy.
| Metric | Solano County | California Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.8 | 79.6 | 78.3 |
| Self-rated poor health | 14.4% | 16.4% | 16.3% |
| Smokers | 12.7% | 13.9% | 19.0% |
Highest health index among counties in
California:
San Francisco County (0.8), San Mateo County (0.8), Santa Clara County (0.8).
Lowest:
Lake County (0.8), Imperial County (0.8), Tulare County (0.8).
Solano County, CA Compared With Nearby Counties
Solano County, CA is the 4th largest of the 6 counties compared here, 451,581 residents against a local median of 1,163,035. The measure that sets Solano County, CA apart most is median home price: $483,427, 27% below the local median of $663,272.
The counties themselves spread $477,055 on median home price, so Solano County, CA sits at one end of an already wide local range rather than apart from it. Solano County, CA has the 4th highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Solano County, CA | 451,581 | $100,378 #4/6 | $483,427 #4/6 | 23.7 min #4/6 |
| Contra Costa County, CA | 1,163,035 | $127,405 | $663,272 | 31.0 min |
| Yolo County, CA | 220,537 | $91,115 | $425,283 | 20.1 min |
| Napa County, CA | 134,769 | $112,778 | $902,338 | 20.3 min |
| Alameda County, CA | 1,648,382 | $129,593 | $833,751 | 28.3 min |
| Sacramento County, CA | 1,591,938 | $92,291 | $467,586 | 23.1 min |
Frequently Asked Questions
Common questions about Solano County, California.
What is the population of Solano County, California?
About 451,581 people live in Solano County, California, in 157,452 households of 2.8 people on average. The median age is 37.6, close to the U.S. median of 37.3.
Is Solano County, California urban or rural?
Averaged over its land area, Solano County, California has 499 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 5.8 times the U.S. average of 86.
Can a typical household afford a home in Solano County, California?
The median home costs 4.8 times the median household income ($483,427 against $100,378), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $2,162 a month takes about 26% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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