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 2026 population of 548. Petrolia is currently growing at a rate of 1.11% annually and its population has increased by 6.61% since the most recent census, which recorded a population of 514 in 2020.

The median household income in Petrolia is $63,750 with a poverty rate of 13.46%. The median age in Petrolia is 51.2 years: 48.4 years for males, and 51.8 years for females. For every 100 females there are 97.2 males.

548
Total Population
742
Density (mi²)
6 1.11%
Growth

Petrolia Population

Petrolia Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202654861.11%
202554250.93%
202453710.19%
2023536101.9%
202252691.74%
202151730.58%
202051420.39%
2019666-1-0.15%
2018667-4-0.6%
2017671121.82%
2016659-6-0.9%
201566500%
2014665-4-0.6%
2013669-5-0.74%
2012674-8-1.17%
2011682-3-0.44%
2010685-1-0.15%

Median Age

Overall: 51.2 years
Female: 51.8 years
Male: 48.4 years

Petrolia Adults

There are 337 adults, (85 of whom are seniors) in Petrolia.

Sex Ratio

Female: 211 (50.7%)
Male: 205 (49.3%)

Demographics

The racial composition of Petrolia includes 99.04% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White41299.04%
Two or more races40.96%
Race
Population ↓
Percentage (of total)
White266.25%
Two or more races40.96%
Race
Population ↓
Percentage (of total)
White38692.79%

Petrolia Marital Status

Economics and Income Statistics

Petrolia 's average per capita income is $44,750. Household income levels show a median of $63,750. The poverty rate stands at 13.46%.

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$88,750-
Families$68,750$72,031
Households$63,750$62,717
Non Families-$38,498

$44,750

Average Income

$63,750

Median Household Income

13.46%

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)