The Town FilesUpper St. Clair, Pennsylvania
Township in Allegheny County · population 21,160 (2020 Census)
- Median home
- $431,800
- Household income
- $163,409
- Jan low / Jul high
- 22° / 83°
- Snow a year
- 30 in
- Tornadoes ≤10 mi since 1950
- 15
- Median age
- 43.7
Upper St. Clair is a township of 21,160 people in Allegheny County, Pennsylvania. The median home is worth $431,800, above the typical Pennsylvania town ($214,250). It ranks more upscale than 99% of Pennsylvania towns, better for families than 96% of Pennsylvania towns, better transit than 95% of Pennsylvania towns.
How Upper St. Clair ranks
Percentile among Pennsylvania towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Pennsylvania towns.
Homes and cost of living
The median home in Upper St. Clair is worth $431,800, above the typical Pennsylvania town ($214,250). Homes cost about 2.6 times the median household income of $163,409, which is more affordable than 64% of Pennsylvania towns. Median rent is $2,038 a month. 87.9% of households own their home.
| Housing | Upper St. Clair | Typical Pennsylvania town |
|---|---|---|
| Median home value | $431,800 | $214,250 |
| Median rent | $2,038 | $996 |
| Median household income | $163,409 | $75,278 |
| Home value ÷ income | 2.6× | 2.8× |
| Homeownership | 87.9% | 81.5% |
| Median year built | 1972 | 1971 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Upper St. Clair
| People | Upper St. Clair | Typical Pennsylvania town |
|---|---|---|
| Median age | 43.7 | 44.2 |
| Age 65 and over | 19.7% | 21.1% |
| Under 18 | 25.3% | — |
| Bachelor's degree or higher | 75.2% | 23.8% |
| Below the poverty line | 2.5% | 8.5% |
| Veterans | 5.5% | — |
| Born outside the U.S. | 10.1% | — |
| Work from home | 31.1% | 10.6% |
| Average commute | 28.8 min | 25.9 min |
| Homes with broadband | 94.6% | 89.0% |
Weather in Upper St. Clair
July highs average 83.0°F and January lows 22.3°F. About 41.3 inches of rain and melted snow fall a year, with 29.5 inches of snow (typical Pennsylvania town: 31.8 in). Expect about 8 days a year at 90°F or hotter and 106 nights at or below freezing.
Tornadoes, storms and disasters
15 tornadoes have passed within 10 miles of Upper St. Clair since 1950, compared with 10 for the typical Pennsylvania town. 3 rated (E)F2 or stronger. The strongest, an EF2, struck on May 11, 2024 about 4.6 miles from the town center. The most recent was on May 21, 2025.
Hail of 1 inch or larger has been reported within 10 miles 107 times; the largest was 2.00 inches on March 28, 2020.
Severe weather in Allegheny County since 1996
Allegheny County has been included in 18 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.
| Declared | Incident | Declaration |
|---|---|---|
| March 30, 2020 | Biological | DR-4506: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3441: Covid-19 |
| October 1, 2013 | Severe Storm | DR-4149: Severe Storms, Tornadoes, And Flooding |
| October 29, 2012 | Hurricane | EM-3356: Hurricane Sandy |
| April 16, 2010 | Snowstorm | DR-1898: Severe Winter Storms And Snowstorms |
Jobs and pay in Allegheny County
Allegheny County had 670,637 jobs in 2024, paying an average of $78,297 a year. Unemployment was 3.3% in 2023; in Upper St. Clair itself the ACS puts it at 3.5%.
Towns near Upper St. Clair
- Bridgeville, PA2.1 mi · 4,804 people · home $166,400
- Bethel Park, PA2.6 mi · 33,577 people · home $273,400
- McMurray, PA3.6 mi · 4,736 people · home $391,700
- Scott, PA3.7 mi · 17,649 people · home $226,500
- Castle Shannon, PA4.1 mi · 8,249 people · home $190,300
- Peters, PA4.2 mi · 22,946 people · home $461,400
- Thompsonville, PA4.4 mi · 3,704 people · home $436,900
- Dormont, PA4.8 mi · 8,244 people · home $221,800
Upper St. Clair questions
Is Upper St. Clair, Pennsylvania a good place to retire?
On The Town Files lifestyle rankings, Upper St. Clair scores better for retirees than 57% of Pennsylvania towns and quieter than 24%. 19.7% of residents are 65 or older (median age 43.7).
How much does a house cost in Upper St. Clair?
The median owner-occupied home in Upper St. Clair is valued at $431,800 (Census ACS 2020–2024), against a median household income of $163,409, so homes cost about 2.6 times income. Median rent is $2,038 a month.
What is the weather like in Upper St. Clair?
July highs average 83.0°F and January lows 22.3°F (NOAA 1991–2020 normals). It gets about 41.3 inches of precipitation a year and 29.5 inches of snow.
Does Upper St. Clair get tornadoes?
15 tornadoes have passed within 10 miles of Upper St. Clair since 1950 (NOAA Storm Events); the strongest was an EF2 on May 11, 2024. The typical Pennsylvania town has had 10.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)