Township in Allegheny County, Pennsylvania · 9.8 sq mi · 2,076 people per sq mi
About 20,000 people live in Upper St. Clair township. The typical household earns $163,409, and the median resident is 43.7 years old.
2026 projection
From 21,149 in 2020
Poverty rate 2.52%
Men 42.8 · Women 44.7
2010–2026
20,378
2026 projection
3.6% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
20,378
2026 projection
3.6% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 20,378 | -88 | 0.43% |
|---|---|---|---|
| 2025 | 20,466 | -88 | 0.43% |
| 2024 | 20,554 | -110 | 0.53% |
| 2023 | 20,664 | -153 | 0.73% |
| 2022 | 20,817 | -188 | 0.90% |
| 2021 | 21,005 | -144 | 0.68% |
| 2020 | 21,149 | +1,192 | 5.97% |
| 2019 | 19,957 | -4 | 0.02% |
| 2018 | 19,961 | +10 | 0.05% |
| 2017 | 19,951 | -89 | 0.44% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 209 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 40 residents
66% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 66% | 68% | 64% |
| Never married | 22% | 23% | 22% |
| Divorced | 5% | 4% | 5% |
| Widowed | 7% | 4% | 9% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau