| ZIP Code | 95558 |
|---|---|
| City | Petrolia |
| State | California (CA) |
| County | Humboldt County |
| Area Code | 369/707 |
| Elevation | 260 ft |
| Latitude | 40.33758 |
|---|---|
| Longitude | -124.261177 |
| Timezone | Los Angeles (DST) |
| FIPS | 06023 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 62.6 yrs ↑ 30% since 2019 |
|---|---|
| Avg Household Size | 1.85 |
| Below Poverty | 29.5% ▲ 195% above avg |
| College Grads | 32.5% ▼ 16% below avg |
| Unemployment | 2.9% ▼ 40% below avg |
| No HS Diploma | 1 (0.5%) |
| HS Graduate | 38 (18.7%) |
| Some College | 32 (15.8%) |
| Associates | 66 (32.5%) |
| Bachelors | 18 (8.9%) |
| Graduate Degree | 48 (23.6%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $51,250 ▼ 33% below avg ↓ 5% since 2019 |
|---|---|
| Total Units | 193 |
| Vacant Units | 61 |
| Avg HH Size | 1.85 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 193 |
|---|---|
| Vacant | 61 |
| Owner Occupied | 73.5% |
| Renter Occupied | 26.5% |
| Avg HH Size | 1.85 |
ZIP code 95558 is located in Petrolia, California, within Humboldt County. With a population of 244, this is a sparsely populated ZIP code with an older community — the median age is 62.6 years. Economically, 95558 is a working-class ZIP code: the median household income of $51,250 is below the national average.
The population of 95558 is primarily White (77.05%). Residents are moderately educated — 32.5% hold a bachelor's degree or higher, which is below the national average. Poverty affects a significant share of residents at 29.5%. Household income has declined by 5% since 2019.
The unemployment rate in 95558 stands at 2.9%, which is below the national average. A notably high share of workers — 26% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 52%.
Overall, ZIP code 95558 in Petrolia, CA is characterized as working-class, moderately educated, an older community, and predominantly owner-occupied.