County · California

Sonoma County, California

Sonoma County, California has a quality-of-life score of 84 out of 100 (very high), ranking #490 of 3,143 US counties. Within California it ranks #5 of 58 counties. It ranks best on comfortable days (high), median Air Quality Index (low) and drought exposure (low). It ranks worst on home price to income ratio (high), cost of buying a home today (high) and severe housing problems (high).

84Very high
Quality-of-life score
#490 of 3,143 counties
California
#5 of 58 in CA
Population
486,444 (2025)
Land area
1,575 mi²
Density
308.8 /mi²
FIPS code
06097

Percentile-based score (100 is the best in the country) from 80 of 80 indicators, with the default “Explorer” weights.

Location of Sonoma County, California

Scores by category

Each category averages its indicators' percentile scores among US counties.

  • Safety73#836/3,096
  • Economy88#393/3,143
  • Housing2#3,074/3,140
  • Health94#193/3,144
  • Healthcare98#68/3,143
  • Environment82#547/3,108
  • Education46#1,703/3,144
  • Infrastructure92#265/3,144
  • Community61#1,229/3,144
  • Leisure & amenities95#151/3,143

Strengths · Weaknesses

Indicators where Sonoma County, California ranks highest and lowest among US counties (score = percentile, 100 = best).

Strengths

Weaknesses

What changed in five years

How each measure moved between two periods about five years apart, read against whether more or less is better, the published margin of error and the same change in other places.

Counties like Sonoma County, California five years ago that improved

The places whose measures looked most like those of Sonoma County, California in the earlier period, ranked by how many measures improved beyond the margin of error, minus how many declined. A comparison of published data, not a forecast and not advice.

Who lives here

Age, race and education of residents, from the American Community Survey. Shares are of all residents (age), residents of every origin (race) or adults 25 and over (education).

Income

How household income is spread, not just the middle: each bar is the share of households in that income range.

Homes

Who owns and who rents, what homes cost, and what the housing stock looks like.

Getting to work

How workers travel to their job and how long it takes them.

Jobs and pay

What the largest occupations here pay, from the Bureau of Labor Statistics' Occupational Employment and Wage Statistics survey.

The Bureau of Labor Statistics publishes pay by metro area, not by county or city. The metro area page lists its largest occupations and lets you look up any job.

Pay in the Santa Rosa-Petaluma, CA

Local businesses

Employer businesses and sole proprietors by industry, per resident and against the state and the nation. Counts of businesses next to counts of people, not a measure of demand.

Federal contract spending

Federal grants & assistance

Grants, loans (counted at their subsidy cost), direct payments and insurance, by fiscal year of the action (USAspending.gov, FABS). Reported apart from contracts and never added to them.

Public money & outcomes

Federal money per resident by fiscal year next to how the place changed, and, when its money jumped, how it compares with similar counties. A comparison, not cause and effect.

Representation in Congress

Members serving today, with their record in the current Congress (party-unity votes cast with their caucus, roll calls missed). Not a grade.

Metro area

The metro or micro area Sonoma County belongs to. A county is in at most one.

Cities and towns in Sonoma County

Places whose residents live mostly in Sonoma County, largest first.

  1. Santa Rosa177,090
  2. Petaluma59,247
  3. Rohnert Park44,575
  4. Windsor26,081
  5. Healdsburg11,243
  6. Sonoma10,670
  7. Cloverdale8,886
  8. Larkfield-Wikiup8,765
  9. Cotati7,489
  10. Sebastopol7,445
  11. Boyes Hot Springs7,247
  12. Guerneville4,100
  13. Forestville3,717
  14. El Verano3,443
  15. Fetters Hot Springs-Agua Caliente3,347
  16. Sonoma State University2,210
  17. Penngrove2,119
  18. Graton1,806
  19. Temelec1,628
  20. Eldridge1,379
  21. Sea Ranch1,287
  22. Occidental1,225
  23. Bodega Bay1,139
  24. Glen Ellen1,078

Neighboring counties

Places that share a border, best score first.

Similar counties

Closest indicator profiles across the country (no model: score distances).

Data and sources

Latest published value of each indicator; periods differ by source. Values flagged by their publisher are marked.

JSON · /api/v1/places/06097