Mount Lebanon, Pennsylvania
2026 Edition · 5 cards · data as of Oct 30, 2026
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Population
Down 4.3% since 2020.
32,552
people, the 17th-largest of Pennsylvania's cities and towns.
Census Population Estimates, 2025. Rank among Pennsylvania's cities and towns computed by the Almanac. Sources: Census Population Estimates
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The seam
Cross one tract line and median rent doubles.
A $2,634 gap between neighbors, the sharpest rent edge between adjacent tracts in Allegheny County.
- $867 Tract 4508
- $3,501 Tract 5638
Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year
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Building
17 homes were permitted from 2024 to 2025.
- 17 homes permitted, 2024–2025
- 59% of those were in multifamily buildings
Census Building Permits Survey, 2024–2025. Sources: Census Building Permits Survey