95558   Zip Code Petrolia Humboldt CA United States

City Petrolia
County Humboldt
State California
Latitude 40.32673
Longitude -124.24017
Population 230
Density 1.3 people per square mile
Time Zone America/Los Angeles
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $51,719
Median individual: $25,179

Race

Mode: 78.3% White

Gender

 53.0% male 

Rent

No data available.

Age

Median: 50.6 years old

Education

With at least college degree: 24.7%
With STEM degree: 57.2%

Marital Status

 32.2% married 

Never married: 13.1%

Labor Force Participation

 56.8% working 

Unemployed: 0.0%

Average Family Size

 2.33 people 

Commute Time

 23.8 minutes 

Health Care

 1.7% uninsured 

Poverty

 27.4%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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