Petrolia is a

borough A borough is an administrative division in various English-speaking countries. In principle, the term ''borough'' designates a self-governing walled town, although in practice, official use of the term varies widely. History In the Middle A ...

in Butler County,

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

, United States. The population was 212 at the 2010 census.

Geography

Petrolia is located in eastern Butler County at (41.017964, -79.718204), in the valley of the South Branch of Bear Creek, a tributary of the Allegheny River.

Pennsylvania Route 268 Pennsylvania Route 268 (PA 268) is a state highway located in Armstrong, Butler, and Venango counties in Pennsylvania. The southern terminus is at U.S. Route 422 (US 422) in West Kittanning. The northern terminus is at PA 38/ PA 208 in ...

passes through the borough, leading north to

Bruin Bruin, (from Dutch for "brown"), is an English folk term for brown bear. Bruin, Bruins or BRUIN may also refer to: Places * Lake Bruin, ox-bow lake of the Mississippi River located in northeastern Louisiana ** Lake Bruin State Park * Bruin, Ke ...

and south to

Karns City Karns City is a borough that is located in Butler County, Pennsylvania, United States. The population was 209 at the time of the 2010 census. History In December 1871, Hugh P. McClymonds and Samuel L. Riddle leased fifteen acres of land to two b ...

. According to the

United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of t ...

, Petrolia has a total area of , all land.

Demographics

As of the

census A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses in ...

of 2000, there were 218 people, 89 households, and 64 families residing in the borough. The

population density Population density (in agriculture: Stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical ...

was 543.7 people per square mile (210.4/km²). There were 99 housing units at an average density of 246.9 per square mile (95.6/km²). The racial makeup of the borough was 100.00%

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White o ...

. There were 89 households, out of which 29.2% had children under the age of 18 living with them, 53.9% were married couples living together, 11.2% had a female householder with no husband present, and 27.0% were non-families. 20.2% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.80. In the borough the population was spread out, with 21.1% under the age of 18, 8.3% from 18 to 24, 34.4% from 25 to 44, 23.9% from 45 to 64, and 12.4% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 89.6 males. For every 100 females age 18 and over, there were 93.3 males. The median income for a household in the borough was $29,821, and the median income for a family was $37,708. Males had a median income of $31,875 versus $23,750 for females. The

per capita income Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population. Per capita i ...

for the borough was $17,358. About 8.5% of families and 14.5% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for t ...

, including 23.1% of those under the age of eighteen and none of those sixty five or over.

Education

Karns City Area School District Karn City Area School District is a public school district in Butler County, Clarion County, and Armstrong County, Pennsylvania. The district serves the boroughs of Chicora, Fairview, Karns City, Petrolia, and Bruin and the townships of Pa ...

- public school *

Karns City High School Karns City High School is located in Karns City, Pennsylvania. It is part of the Karns City Area School District. The school serves students residing in Butler County, Clarion County, and Armstrong County, Pennsylvania. The boroughs of Chicor ...

References

{{authority control Populated places established in 1872 Boroughs in Butler County, Pennsylvania 1872 establishments in Pennsylvania