City

Petrolia, CA

1 ZIP code  ·  Humboldt County  ·  California

👥244Population
💰$51,250Median HH Income▼ 33% below avg
🎂62.6Median Age
🎓32.5%College Grads▼ 16% below avg
📊2.9%Unemployment▼ 40% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 45.9% Female 54.1% ♀

Race & Ethnicity

White: 77.1%Asian: 7.8%Other: 3.3%Race
White77.1%
Asian7.8%
Other3.3%

Age Breakdown

Under 5
5%
5–17
11%
25–44
14%
45–64
24%
65+
25%

Key Indicators

Median Age62.6 yrs
Avg HH Size1.85
Below Poverty29.5% ▲ 195% above avg
College Grads32.5% ▼ 16% below avg
Unemployment2.9% ▼ 40% below avg
No HS Diploma1 (0.5%)
HS Graduate38 (18.7%)
Some College32 (15.8%)
Associates66 (32.5%)
Bachelors18 (8.9%)
Graduate Degree48 (23.6%)

Education

No HS: 0.5%HS Grad: 18.7%Some College: 15.8%Associates: 32.5%Bachelors: 8.9%Graduate: 23.6%Edu
No HS0.5%
HS Grad18.7%
Some College15.8%
Associates32.5%
Bachelors8.9%
Graduate23.6%
Housing & Income

Housing Tenure

Owner: 73.5%Renter: 26.5%Tenure
Owner73.5%
Renter26.5%

Home Value Distribution

$200k–$300k
3%
$300k–$500k
48%
Over $500k
49%

Financials

Median HH Income$51,250 ▼ 33% below avg
Total Housing Units193
Vacant Units61

Income Distribution

Under $25k
32%
$25k–$50k
17%
$50k–$75k
17%
$75k–$100k
20%
$100k–$150k
8%
$150k–$200k
4%
Over $200k
2%
Employment & Commute

How People Get to Work

Drove Alone
66%
Work From Home
34%

Commute Time

Under 15 min
44%
15–30 min
15%
30–45 min
10%
Over 45 min
32%
Housing Stock

Year Built

Before 1940
4%
1940s–1950s
15%
1960s–1970s
17%
1980s–1990s
8%
2000+
55%
About Petrolia, CA

Petrolia is a city in California, located in Humboldt County. The city spans 1 ZIP code and is home to approximately 244 residents. It is an older city, with a median age of 62.6 years.

Economically, Petrolia is a working-class community. The median household income of $51,250 is below the national average. Approximately 29.5% of residents live below the poverty line. The unemployment rate is 2.9%, below the national average.

The population of Petrolia is moderately educated. 32.5% of adults hold a bachelor's degree or higher — below the national average. The community is primarily White (77.05%).

Petrolia, CA offers residents a cost-conscious lifestyle within California.

ZIP Codes in Petrolia
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
95558 244 $51,250 2.9% 32.5% 73.5%