Upper St. Clair, PA demographics:
population, income, and more

Total population
20,442
1.6% year-over-year change
Median household income
$153,936/yr
6.5% year-over-year change
Housing units
7,994
0.4% year-over-year change

Upper St. Clair population

How many people live in Upper St. Clair

Upper St. Clair is home to 20,442 residents, according to the most recent Census data. Gender-wise, 49.7% of Upper St. Clair locals are male, and 50.3% are female.

Total population
20,442
1.6% year-over-year change
Gender ratio
Male
49.7%
10,167
Female
50.3%
10,275
Value Percent YoY change
Male 10,167 49.7% 3.0%
Female 10,275 50.3% 0.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Upper St. Clair is 44, with the population distributed as follows: about 19% are children under 15, then 11.7% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.9% of the population, while another 28.3% fall into the 45 to 64 bracket. Finally, around 20.1% are 65 or older.

Median age
43.9
Age breakdown
Under 15
19%
15 to 24
11.7%
25 to 44
20.9%
45 to 64
28.3%
Over 65
20.1%
Value Percent YoY change
Under 15 3,889 19% -0.7%
15 to 24 2,388 11.7% 2.4%
25 to 44 4,276 20.9% 4.8%
45 to 64 5,782 28.3% -1.9%
Over 65 4,108 20.1% 5.4%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Upper St. Clair, 89.2% of the population are US-born citizens, while 7.6% have gained naturalized citizenship. At the same time, 3.2% of residents are non-citizens. As for race, 86.3% of locals are Caucasian, 1.2% are African American and 8% have Asian roots. There’s also a share of 4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
89.2%
Non-U.S.-born citizens
7.6%
Non-citizens
3.2%
Value Percent YoY change
U.S.-born citizens 18,233 89.2% 1.2%
Non-U.S.-born citizens 1,553 7.6% 3.0%
Non-citizens 656 3.2% 10.6%
Racial breakdown
White
86.3%
Black or African American
1.2%
American Indian and Alaska Native
0%
Asian
8%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4%
Other
0.5%
Value Percent
White 17,643 86.3%
Black or African American 241 1.2%
American Indian and Alaska Native 5 0%
Asian 1,638 8%
Two or more races 813 4%
Other 103 0.5%

Households in Upper St. Clair

A peek inside Upper St. Clair households

Upper St. Clair has 7,623 households, with an average of 2 members in each. Of these, 77.2% are families, while the remaining 22.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
7,623
0.6% year-over-year change
Average people per household
2
Non-family households
1,736
Family households
5,888
Value Percent YoY change
Non-family households 1,736 22.8% -6.2%
Family households 5,888 77.2% 2.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Upper St. Clair

The housing landscape of Upper St. Clair

Upper St. Clair's housing consists of 7,994 units, with 81.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 0.1% of the housing landscape.

Housing units
7,994
0.4% year-over-year change
Housing types
Value Percent
1 unit, detached 6,519 81.6%
1 unit, attached 208 2.6%
3 or 4 units 14 0.2%
5 to 9 units 21 0.3%
10 to 19 units 62 0.8%
20 to 49 units 360 4.5%
50 or more units 804 10.1%
Mobile home 5 0.1%
Homes built since 2020
52
6.1% year-over-year change

The age of buildings in Upper St. Clair

In Upper St. Clair, the median construction year is 1971. About 3.4% of homes were built before the 1940s, with another 5.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 4.1% of homes were added from 2000 to 2009, 9% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 274 3.4% -2.5%
Built between 1940 and 1949 447 5.6% 15.8%
Built between 1950 and 1959 1,303 16.3% -3.2%
Built between 1960 and 1969 1,819 22.8% 7.6%
Built between 1970 and 1979 1,589 19.9% -3.6%
Built between 1980 and 1989 853 10.7% 3.8%
Built between 1990 and 1999 607 7.6% 0.0%
Built between 2000 and 2009 330 4.1% -12.5%
Built between 2010 and 2019 719 9% -4.8%
Built in 2020 or later 52 0.6% 6.1%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Upper St. Clair occupancy rates

Out of the 7,623 occupied housing units in Upper St. Clair, 83.7% are owner-occupied, while 16.3% are lived in by tenants. Meanwhile, 4.6% of all homes on the local market sit vacant.

Occupied housing units
7,623
0.6% year-over-year change
Occupancy breakdown
Renter occupied
1,242
Owner occupied
6,382
Value Percent YoY
change
Renter occupied 1,242 16.3% -1.7%
Owner occupied 6,382 83.7% 1.1%
Unoccupied housing units
4.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Upper St. Clair housing costs

Housing costs in Upper St. Clair come to a median of $1,962 per month, while tenants specifically pay a median gross rent of $1,797.

Median housing costs per month
$1,962/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Upper St. Clair
$1,797/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Upper St. Clair

Upper St. Clair education at a glance

About 15.8% of the population in Upper St. Clair went to high school, while 10.7% pursued college studies. Another 4.3% earned an associate degree and 38.9% hold a bachelor’s. Meanwhile, 29.6% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 112 0.7% -20.0%
High school diploma 2,436 15.8% -0.4%
College diploma 1,648 10.7% -1.1%
Associate degree 664 4.3% -6.3%
Bachelor's degree 5,999 38.9% 3.1%
Graduate degree 4,565 29.6% 5.3%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Upper St. Clair

How much people earn in Upper St. Clair

The average annual household income in Upper St. Clair was $176,842 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +3.5% change from the previous year. At the same time, the median income stood at $153,936, reflecting a +6.5% shift over the same period.

Average household income in Upper St. Clair
$176,842/year
3.5% year-over-year change
Median household income in Upper St. Clair
$153,936/year
6.5% year-over-year change

Upper St. Clair income by age

In Upper St. Clair, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $175,833. Those with someone between 45 and 64 in charge, often well established professionally, earn $200,758 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $72,411, while those led by someone over 65, many of whom may be retired, have about $95,556 in earnings. Overall, 97.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $72,411 -16.8%
25 - 44 $175,833 13.7%
45 - 64 $200,758 3.1%
Over 65 $95,556 7.1%
Above poverty level
19,717
Below poverty level
469
Value Percent YoY
change
Above poverty level 19,717 97.7% 1.5%
Below poverty level 469 2.3% -0.4%

Employment in Upper St. Clair

Workforce and job types in Upper St. Clair

92.4% of the working population are employed in professional or administrative positions, while 7.6% are in hands-on or service-based jobs. Also, 13.6% run their own businesses, 61.9% are employed by private companies, and 10.1% work in the public sector.

Workforce demographics

White collar
9,350
Blue collar
771
Value Percent YoY change
White collar 9,350 92.4% 0.9%
Blue collar 771 7.6% 0.1%
Employer type
Self employees
13.6%
Private companies
61.9%
Governmental workers
10.1%
Not for profit companies
14.4%
Value Percent YoY change
Self employees 1,374 13.6% 4.5%
Private companies 6,264 61.9% -0.4%
Governmental workers 1,025 10.1% -12.9%
Not for profit companies 1,459 14.4% 16.0%

Transportation in Upper St. Clair

How people get around in Upper St. Clair

Commuting methods vary: 97.6% of residents travel by personal vehicle and 1.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 6,397 97.6% -5.6%
Bus or trolleybus 42 0.6% 600.0%
Railroad 25 0.4% 177.8%
Walk 88 1.3% -8.3%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

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FAQs about Upper St. Clair demographics 

What is the total population of Upper St. Clair?

Upper St. Clair has a total population of 20,442 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +1.6% compared to a year ago.

What is the gender ratio in Upper St. Clair?

The gender ratio in Upper St. Clair is as follows:
  • 49.7% males (10,167 residents)
  • 50.3% females (10,275 residents)

What is the median age in Upper St. Clair?

The median age in Upper St. Clair is 43.9.

What is the age distribution of the population in Upper St. Clair?

The age distribution in Upper St. Clair is as follows:
  • Under 15: 19% (3,889 residents)
  • Ages 15-24: 11.7% (2,388 residents)
  • Ages 25-44: 20.9% (4,276 residents)
  • Ages 45-64: 28.3% (5,782 residents)
  • Over 65: 20.1% (4,108 residents)

What is the racial and ethnic makeup of Upper St. Clair?

The racial and ethnic makeup of Upper St. Clair is as follows:
  • White: 86.3% (17,643 residents)
  • Black or African American: 1.2% (241 residents)
  • American Indian and Alaska Native: 0% (5 residents)
  • Asian: 8% (1,638 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 4% (813 residents)
  • Other: 0.5% (103 residents)

What percentage of the population in Upper St. Clair are U.S.-born citizens?

U.S.-born citizens represent 89.2% of the population in Upper St. Clair.

How many housing units are there in Upper St. Clair?

There are 7,994 housing units in Upper St. Clair, reflecting a +0.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Upper St. Clair and what is the average household size?

Upper St. Clair has a total of 7,623 households, with an average of 2 people in each.

What is the median household income in Upper St. Clair?

Upper St. Clair has a median household income of $153,936, representing a +6.5% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Upper St. Clair?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 92.4% (9,350 residents)
  • Blue-collar workers: 7.6% (771 residents)

Places of employment:
  • Self-employed: 13.6% (1,374 residents)
  • Private companies: 61.9% (6,264 residents)
  • Governmental workers: 10.1% (1,025 residents)
  • Not-for-profit companies: 14.4% (1,459 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025