Slippery Rock, Pennsylvania Population 2021

3,507
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Slippery Rock is a city located in Butler County Pennsylvania. With a 2020 population of 3,507, it is the 275th largest city in Pennsylvania and the 5776th largest city in the United States . Slippery Rock is currently declining at a rate of -0.34% annually and its population has decreased by -3.26% since the most recent census, which recorded a population of 3,625 in 2010. Slippery Rock reached it's highest population of in . Spanning over 2 miles, Slippery Rock has a population density of 2,131 people per square mile.

The average household income in Slippery Rock is $61,819 with a poverty rate of 32.20%. The median rental costs in recent years comes to $795 per month, and the median house value is $165,800. The median age in Slippery Rock is 22.1 years, 22.1 years for males, and 22.1 years for females.

Slippery Rock Demographics

According to the most recent ACS, the racial composition of Slippery Rockwas:

  • White: 91.22%
  • Two or more races: 3.80%
  • Asian: 3.13%
  • Black or African American: 1.86%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Slippery Rock, Pennsylvania is 3,507 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 3,531.The last official US Census in 2010 recorded the population at 3,625.

Slippery Rock, Pennsylvania Population 2021

Population by Race

Race Population Percentage
White3,24091.22%
Two or More Races1353.80%
Asian1113.13%
Black or African American661.86%
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Slippery Rock Population by Race

Slippery Rock Population Pyramid $2021

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Slippery Rock Median Age

22.1


Total

22.1


Male

22.1


Female

Slippery Rock Adults

There are 3,256 adults, (393 of whom are seniors) in Slippery Rock.

Slippery Rock Age Dependency

24.1

Age Dependency Ratio

13.7

Old Age Dependency Ratio

10.3

Child Dependency Ratio

Slippery Rock Sex Ratio

Female

1,953

54.98%

Male

1,599

45.02%

Slippery Rock Population by Age

Slippery Rock Renter vs Owner Occupied by Household Type

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Slippery Rock Household Types

Type Owner Renter
Non Family12%88%
All33.5%66.5%
Female40%60%
Male70.3%29.7%
Married79.2%20.8%

33.5%

Rate of Home Ownership

Slippery Rock Households and Families

Type Count Average Size Owned
All1,1322.2333.5
Non Family7271.8812
Married3032.6279.2
Female653.0240
Male374.7370.3

2.79

Average Family Size

2.23

Average Household Size

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Slippery Rock Households by Type

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Education Attained Count Percentage
Less Than 9th Grade211.66%
9th to 12th Grade725.69%
High School Graduate29022.91%
Some College24919.67%
Associates Degree1229.64%
Bachelors Degree23418.48%
Graduate Degree27821.96%
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Slippery Rock Educational Attainment by Sex (over 25)

Slippery Rock Educational Attainment by Race

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Race Total High School Bachelors
White1,1621,069423
Asian747474
Black151515
2+ Races1212
Hispanic33

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among black people with a rate of 100.00%.

Slippery Rock Educational Attainment by Race

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Name Average Male Female
Overall$48,229$65,724$34,886
Less Than 9th Grade$$$
High School Graduate$33,542$47,386$26,719
Some College$36,750$$35,750
Bachelors Degree$$80,192$
Graduate Degree$65,132$69,091$62,333

$48,229

Average Earnings

$65,724

Average Male

$34,886

Average Female

Slippery Rock Earnings by Educational Attainment

Slippery Rock Language by Age

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Slippery Rock Language

96.99% of Slippery Rock residents speak only English, while 3.01% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.71% of the population.

Slippery Rock Language

Slippery Rock Poverty by Race

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Name Total In Poverty Poverty Rate
White2,37879333.35%
Asian911213.19%
Black261142.31%
Multiple64914.06%

32.20%

Overall Poverty Rate

28.45%

Male Poverty Rate

35.85%

Female Poverty Rate

Poverty in Slippery Rock

The race most likely to be in poverty in Slippery Rock is Black, with 42.31% below the poverty level.

The race least likely to be in poverty in Slippery Rock is Asian, with 13.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.44%. Among those working part-time, it was 63.39%, and for those that did not work, the poverty rate was 23.05%.

Slippery Rock Poverty

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Name Poverty
Less Than 9th Grade33.33%
Some College11.36%
High School11.03%
Bachelors or Greater4.30%

Slippery Rock Poverty Rate by Education

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Rate Poverty
Male Unemployed58.82%
Female Unemployed56.52%
Female Employed34.78%
Male Employed31.06%

Slippery Rock Poverty Rate by Employment Status and Sex

Slippery Rock Income by Household Type

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Name Median Mean
Households$45,724$61,819
Families$90,592$102,759
Married Families$98,897-
Non Families$19,159$37,139
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Income by Household Type

Slippery Rock Marital Status

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Marriage Rates

18.7%

Overall Marriage Rate

21.2%

Male Marriage Rate

16.7%

Female Marriage Rate

Slippery Rock Married by Age and Sex

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Slippery Rock Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Slippery Rock Marital Status by Race

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Slippery Rock Marital Status

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119

Number of Veterans

102

Male Veterans

17

Female Veterans

War Veterans
Vietnam44
First Gulf War21
Korea11
World War II
Second Gulf War

Slippery Rock Veterans by War

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Age Group Veterans
65 to 7439
75+33
35 to 5433
55 to 6414
18 to 34

Slippery Rock Veterans by Age

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Name Veterans % of Total
White1073.60%
2+ Races1211.88%

Slippery Rock Veterans by Race

Slippery Rock Veterans by Education

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0.00%

Veteran Poverty Rate

40.34%

Veteran Disability Rate

Slippery Rock Veterans by Education

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60.9%

Labor Force Participation

56.8%

Employment Rate

6.4%

Unemployment Rate

Slippery Rock Employment by Age

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Slippery Rock Employment by Race

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Slippery Rock Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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78.29%

Born in Slippery Rock

96.06%

Native Born

3.94%

Foreign Born

1.63%

Non Citizen

2.31%

Naturalized

Place of Birth

96.06% of Slippery Rock residents were born in the United States, with 78.29% having been born in Pennsylvania. 1.63% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Slippery Rock Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20213,507-12-0.34%
20203,519-12-0.34%
20193,531-12-0.34%
20183,543-5-0.14%
20173,548-16-0.45%
20163,564-31-0.86%
20153,595-14-0.39%
20143,609130.36%
20133,596-75-2.04%
20123,671-4-0.11%
20113,675250.68%
20103,6505821.75%
20003,068600.20%
19903,008-39-0.13%
19803,047-1,902-4.73%
19704,9492,3866.80%
19602,5630.00%

Slippery Rock Population by Year