CA area data
Petrolia, CA
Petrolia, CA.
Population: 230 (Census ACS)
Home values & appreciation
- House Price Index
- 417.4 (-0.8% YoY)
Affordability
- Cost of living index (High)
- 110.7 (100 = US avg)
- Electricity rate (state-level)
- 32.5¢/kWh
- Natural gas rate (state-level)
- $22.00/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 2
- Elementary schools
- 1
- Middle schools
- 0
- High schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Relatively High
- Top hazards
- coastalFlooding, earthquake, inlandFlooding, landslide, tsunami
Climate (30-year normals)
- Annual precipitation
- 86.1 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 38
- Days with Good air quality
- 266
Amenities
- Nearest airport
- Mann Ranch Airport (10 mi)
- Nearest major airport
- Murray Field (EKA) (35 mi)
- Hospitals nearby (~15 mi)
- 5
- Avg hospital rating
- 3.0 / 5
- Solar radiation rating
- Good (4.5 kWh/m²/day)
Housing stock
- Median year housing built
- 1,973
- Median annual property tax
- $2,724
- Households with broadband internet
- 53.6%
Employment & development
- Total county employment
- 36,011
- Average weekly wage
- $963
- Top industries (by employment)
- Health Care, Accommodation & Food, Construction
- Annual residential building permits (county)
- 126
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →