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Petrolia, Pennsylvania facts for kids

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Petrolia, Pennsylvania
Borough
Neighborhood on Argyle Street
Neighborhood on Argyle Street
Location of Petrolia in Butler County, Pennsylvania.
Location of Petrolia in Butler County, Pennsylvania.
Petrolia, Pennsylvania is located in Pennsylvania
Petrolia, Pennsylvania
Petrolia, Pennsylvania
Location in Pennsylvania
Country United States
State Pennsylvania
County Butler
Settled 1872
Incorporated 1873
Government
 • Type Borough Council
Area
 • Total 0.40 sq mi (1.02 km2)
 • Land 0.40 sq mi (1.02 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
1,178 ft (359 m)
Population
 (2020)
 • Total 179
 • Density 453.16/sq mi (175.07/km2)
Time zone UTC-5 (Eastern (EST))
 • Summer (DST) UTC-4 (EDT)
Zip code
16050
FIPS code 42-59672

Petrolia is a small town, also known as a borough, located in Butler County, Pennsylvania, in the United States. In 2010, about 212 people lived here. By 2020, the population was 179.

Where is Petrolia?

Petrolia is in the eastern part of Butler County. It sits in a valley near the South Branch of Bear Creek. This creek eventually flows into the Allegheny River.

A main road, Pennsylvania Route 268, goes right through the borough. If you go north on this road for about 3 miles, you'll reach Bruin. If you head south for about 1.7 miles, you'll find Karns City.

The United States Census Bureau says that Petrolia covers an area of about 1.0 square kilometer (or 0.4 square miles). All of this area is land, with no large bodies of water.

How Many People Live in Petrolia?

Historical population
Census Pop.
1880 1,186
1890 546 −54.0%
1900 350 −35.9%
1910 360 2.9%
1920 370 2.8%
1930 469 26.8%
1940 559 19.2%
1950 571 2.1%
1960 527 −7.7%
1970 432 −18.0%
1980 472 9.3%
1990 292 −38.1%
2000 218 −25.3%
2010 212 −2.8%
2020 179 −15.6%
Sources:

In the year 2000, there were 218 people living in Petrolia. These people lived in 89 households, and 64 of those were families. Most people living there were White.

About 29% of the households had children under 18 living with them. More than half, about 54%, were married couples. Around 11% of households had a female head without a husband.

The population was spread out by age. About 21% were under 18 years old. The largest group, about 34%, was between 25 and 44 years old. About 12% of the people were 65 or older. The average age in Petrolia was 38 years.

Education in Petrolia

Students in Petrolia attend schools in the Karns City Area School District. This district provides public education for the area.

  • Karns City Area School District - This is the public school system.
  • Karns City High School - This is the high school for students in the area.

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