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Slippery Rock, Pennsylvania facts for kids

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Slippery Rock, Pennsylvania
Borough of Slippery Rock
South Main Street
South Main Street
Location in Butler County, Pennsylvania
Location in Butler County, Pennsylvania
Slippery Rock, Pennsylvania is located in Pennsylvania
Slippery Rock, Pennsylvania
Slippery Rock, Pennsylvania
Location in Pennsylvania
Slippery Rock, Pennsylvania is located in the United States
Slippery Rock, Pennsylvania
Slippery Rock, Pennsylvania
Location in the United States
Country United States
State Pennsylvania
County Butler
Settled 1841
 • Total 1.65 sq mi (4.26 km2)
 • Land 1.65 sq mi (4.26 km2)
 • Water 0.00 sq mi (0.00 km2)
 • Total 3,081
 • Density 1,867/sq mi (723.2/km2)
Time zone UTC-5 (EST)
 • Summer (DST) UTC-4 (EDT)
ZIP code
Area code(s) 724/878
FIPS code 42-71184

Slippery Rock is a borough in Butler County, Pennsylvania. The population was 3,081 at the 2020 census. Slippery Rock is included in the Greater Pittsburgh Region. It is home to Slippery Rock University of Pennsylvania, attended by nearly 9,000 students as a member of the Pennsylvania State System of Higher Education.

The post office for Slippery Rock Township was established in 1826 in the Ginger Hill area. The town of Ginger Hill was incorporated as a borough under the name Centreville in 1841, later changing its name to Slippery Rock in 1896.


Slippery Rock is located in northwest Butler County at 41°3′49″N 80°3′18″W / 41.06361°N 80.05500°W / 41.06361; -80.05500 (41.063746, -80.055007). According to the United States Census Bureau, the borough has a total area of 1.7 square miles (4.3 km2), all of it land. Slippery Rock Creek, the borough's namesake, runs through a valley 2 miles (3 km) south of the borough.

Since the 1960s Slippery Rock has been well served by the Interstate Highway system as Interstate 79 (north-south) and Interstate 80 (east-west) cross 12 miles (19 km) to the north. The closest access to I-79 is 4 miles (6 km) to the west on Pennsylvania Route 108. PA 258 (N. Main Street) leads northwest 7.7 miles (12.4 km) to I-79.

The terrain around Slippery Rock is hilly, and the strip mining of coal has been a prominent commercial activity in the surrounding area, which is largely agricultural.


Historical population
Census Pop.
1850 278
1860 347 24.8%
1870 366 5.5%
1880 418 14.2%
1890 448 7.2%
1900 993 121.7%
1910 870 −12.4%
1920 826 −5.1%
1930 1,165 41.0%
1940 1,269 8.9%
1950 2,294 80.8%
1960 2,563 11.7%
1970 4,949 93.1%
1980 3,047 −38.4%
1990 3,008 −1.3%
2000 3,068 2.0%
2010 3,625 18.2%
2020 3,081 −15.0%
US Deccenial Census:

As of the census of 2000, there were 3,068 people, 977 households, and 387 families residing in the borough. The population density was 1,820.4 people per square mile (700.9/km2). There were 1,039 housing units at an average density of 616.5 per square mile (237.4/km2). The racial makeup of the borough was 91.30% White, 3.26% African American, 0.20% Native American, 3.29% Asian, 0.07% Pacific Islander, 0.68% from other races, and 1.21% from two or more races. Hispanic or Latino of any race were 1.11% of the population.

There were 977 households, out of which 15.3% had children under the age of 18 living with them, 30.8% were married couples living together, 6.4% had a female householder with no husband present, and 60.3% were non-families. 27.7% of all households were made up of individuals, and 12.8% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.71.

In the borough the population was spread out, with 8.5% under the age of 18, 55.9% from 18 to 24, 15.0% from 25 to 44, 10.1% from 45 to 64, and 10.4% who were 65 years of age or older. The median age was 23 years. For every 100 females, there were 77.2 males. For every 100 females age 18 and over, there were 74.8 males.

The median income for a household in the borough was $24,554, and the median income for a family was $42,450. Males had a median income of $37,188 versus $30,104 for females. The per capita income for the borough was $13,538. About 10.1% of families and 42.6% of the population were below the poverty line, including 11.0% of those under age 18 and 8.0% of those age 65 or over.


The university has many sports events and venues located in the borough. The Rock football team plays their games at Bob DiSpirito Field at N. Kerr Thompson Stadium, while the baseball team has their games at Jack Critchfield Park.

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