Sonoma County Supervisorial District 2 Demographics

The following demographic and economic information pertains to Sonoma County Supervisorial District 2, which comprises Petaluma, Penngrove, Cotati, and the south county dairy industry.

Demographics

• Population: 99,463 people
• Median Age: 43.3 years old
• Hispanic Population: 24.6%

Educational Attainment Breakdown

• 7.0% with less than a High School Diploma
• 18.4% with a High School Diploma
• 19.8% with some college
• 10.6% with an associate’s degree
• 28.6% with a bachelor’s degree
• 15.7% with a postgraduate degree

Age Range Distribution

• 9.5% ages 0–9 years old
• 16.7% ages 10–24 years old
• 12.6% ages 25–34 years old
• 13.6% ages 35–44 years old
• 12.5% ages 45–54 years old
• 13.1% ages 55–64 years old
• 22.1% ages 65+ years old

Income

• Median Household Income: $124,752
• Expenditure Index: 129

Household Income Distribution

• 8.0% with <$25,000 annually
• 10.0% with $25,000–$49,999 annually
• 10.8% with $50,000–$74,999 annually
• 11.2% with $75,000–$99,999 annually
• 18.9% with $100,000–$149,999 annually
• 41.2% with $150,000+ annually

Business and Workforce

• Total Employees: 44,961
• Unemployment Rate: 4.2%
• Total Businesses: 4,915

Commute Time to Work Distribution

• 39.0% with 0–19 minutes
• 34.4% with 20–39 minutes
• 13.8% with 40–59 minutes
• 12.8% with 60+ minutes

Top Industries by Share of Total Employment

• Healthcare (14.8%)
• Retail Trade (10.7%)
• Educational Services (10.4%)
• Professional/Technical Services (9.9%)
• Construction (8.7%)
• Manufacturing (8.0%)
• Accommodation/Food Services (5.5%)

Housing

• Homeownership Rate: 62.5%
• Renter Occupancy Rate: 37.6%
• Median Home Value: $886,881
• Median Monthly Rent: $2,426
• Housing Cost-to-Income Ratio: 41.8%

*Compares average local expenditures to U.S. levels: <100 indicates less than the national average and >100 indicates greater than the national average.

**Esri 2026 estimate of the percent of income for mortgage.