South Fayette, Pennsylvania Population 2024

18,455

South Fayette is a city located in Pennsylvania. South Fayette has a 2024 population of 18,455. South Fayette is currently growing at a rate of 0.02% annually and its population has increased by 0.57% since the most recent census, which recorded a population of 18,351 in 2020.

The average household income in South Fayette is $146,163 with a poverty rate of 2.5%. The median age in South Fayette is 40.8 years: 39.5 years for males, and 42.9 years for females.

South Fayette Demographics

According to the most recent ACS, the racial composition of South Fayette was:

  • White: 82.46%
  • Asian: 12.1%
  • Two or more races: 2.67%
  • Black or African American: 2.54%
  • Other race: 0.23%
  • Native American: 0.01%
  • Native Hawaiian or Pacific Islander: 0%
State
Pennsylvania
Land Area (mi²)
20.3 sq mi
Density (mi²)
909.10/sq mi
Growth Since 2020
0.57% (104)
The current population of South Fayette, Pennsylvania is 18,455 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 18,351.

Population by Race

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Race
Population
Percentage (of total)
White14,98782.46%
Asian2,19912.1%
Two or more races4852.67%
Black or African American4612.54%
Other race420.23%
Native American10.01%
Native Hawaiian or Pacific Islander00%

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

South Fayette Population by Race

South Fayette Population Pyramid 2024

South Fayette Median Age

40.8

Total

39.5

Male

42.9

Female

South Fayette Adults

There are 13,436 adults, (3,117 of whom are seniors) in South Fayette.

South Fayette Age Dependency

76.1

Age Dependency Ratio

30.2

Old Age Dependency Ratio

45.9

Child Dependency Ratio

South Fayette Sex Ratio

Female9,16750.44%
Male9,00849.56%

South Fayette Population by Age

South Fayette Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All6,7852.628416
Married4,2173.395.64.4
Non Family1,9921.1162.737.3
Female3692.9775.924.1
Male2072.7165.734.3

3.19

Average Family Size

2.62

Average Household Size

84.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

South Fayette Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade2952.34%
Associates Degree1,0558.38%
Bachelors Degree4,11732.71%
Graduate Degree2,82122.41%
High School Graduate2,44819.45%
Less Than 9th Grade1511.2%
Some College1,69913.5%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

South Fayette Educational Attainment by Sex (over 25)

South Fayette Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White10,58710,3415,573
Asian1,2551,1441,065
Black440404181
Hispanic17314971
2+ Races15012168
Other Race251414
Native American110

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 84.86%.

South Fayette Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$78,387$104,425$60,402
Graduate Degree$112,736$117,862$91,830
High School Graduate$45,788$60,125$0
Less Than 9th Grade$47,632$52,321$26,397
Overall$69,535$86,748$55,664
Some College$49,083$63,929$34,171

$69,535

Average Earnings

$86,748

Average Male

$55,664

Average Female

South Fayette Earnings by Educational Attainment

South Fayette Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

South Fayette Language

87.9% of South Fayette residents speak only English, while 12.1% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 7.6% of the population.

South Fayette Language

South Fayette Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White14,5243182.19%
Black40510024.69%
Asian2,191271.23%

2.5%

Overall Poverty Rate

1.8%

Male Poverty Rate

3.21%

Female Poverty Rate

Poverty in South Fayette

The race most likely to be in poverty in South Fayette is Black, with 24.69% below the poverty level.

The race least likely to be in poverty in South Fayette is Asian, with 1.23% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.6%. Among those working part-time, it was 5.94%, and for those that did not work, the poverty rate was 5.4%.

South Fayette Poverty

rate

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Rate
Poverty
Less Than 9th Grade8.63%
Some College5.24%
Bachelors or Greater2.43%
High School1.97%

South Fayette Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed7.41%
Male Employed1.69%
Female Employed1.22%
Female Unemployed0%

South Fayette Poverty Rate by Employment Status and Sex

South Fayette Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$150,183$167,032
Households$114,033$146,163
Married Families$158,024$-999,999,999
Non Families$57,708$92,151

mean

median

Income by Household Type

South Fayette Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

61.6%

Overall Marriage Rate

64.4%

Male Marriage Rate

59.0%

Female Marriage Rate

South Fayette Married by Age and Sex

male

female

South Fayette 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.

South Fayette Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

South Fayette Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

606

Number of Veterans

563

Male Veterans

43

Female Veterans

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War
Veterans
Vietnam230
First Gulf War129
Second Gulf War84
World War II20
Korea16

South Fayette Veterans by War

count

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Age Group
Veterans
55 to 64181
65 to 74146
35 to 54133
75+128
18 to 3418

South Fayette Veterans by Age

count

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Name
Veterans
% of Total
White5875.13%
Black194.32%
Hispanic158.67%

South Fayette Veterans by Race

South Fayette Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

17.77%

Veteran Disability Rate

South Fayette Veterans by Education

LaborForceParticipation

68.4%

Labor Force Participation

66.7%

Employment Rate

2.4%

Unemployment Rate

South Fayette Employment by Age

LaborForceParticipation

South Fayette Employment by Race

LaborForceParticipation

South Fayette Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

76.46%

Born in South Fayette

90.18%

Native Born

9.82%

Foreign Born

7.35%

Non Citizen

2.46%

Naturalized

Place of Birth

90.18% of South Fayette residents were born in the United States, with 76.46% having been born in Pennsylvania. 7.35% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

South Fayette Place of Birth

Note: data after 2022 is projected based on recent change
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Year
Population
Growth
Growth Rate
202918,47030.02%
202818,46730.02%
202718,46430.02%
202618,46130.02%
202518,45830.02%
202418,45530.02%
202318,45230.02%
202218,44930.02%
202118,446950.52%
202018,3512,40915.11%
201915,9422281.45%
201815,7141631.05%
201715,551800.52%
201615,471890.58%
201515,3821360.89%
201415,2461831.21%
201315,0632011.35%
201214,8622241.53%
201114,6382211.53%
201014,41700%

South Fayette Population by Year