Petrolia Flag

Petrolia

County:
Clay County
County Seat:
No
Area (mi²):
0.739
State:
Texas

Petrolia is a city located in Clay County, Texas. Petrolia has a 2025 population of 556. Petrolia is currently growing at a rate of 1.65% annually and its population has increased by 8.38% since the most recent census, which recorded a population of 513 in 2020.

The average household income in Petrolia is $61,422 with a poverty rate of 15.84%.The median age in Petrolia is 48.3 years: 45.6 years for males, and 51.4 years for females.

556
Total Population
752
Density (mi²)
9 1.65%
Growth

Petrolia Population

Petrolia Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Petrolia includes 98.27% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White39798.27%
Two or more races71.73%

Petrolia Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Petrolia's average per capita income is $42,153. Household income levels show a median of $51,771. The poverty rate stands at 15.84%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$83,958-
Families$68,750$71,303
Households$51,771$61,422
Non Families$24,063$43,227

$42,153

Average Income

$51,771

Median Household Income

15.84%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)