Upper Darby, Pennsylvania short-term rentals run an average of 47% occupancy and $39 RevPAR across the year.
Upper Darby short-term rentals run 47% average occupancy across the year, producing an annual RevPAR of $39 — occupancy multiplied by average daily rate.
From July 2025 to July 2026, Upper Darby's occupancy is up 8.0% and RevPAR is up 1.1%.
On AirDNA's seasonality scale, Upper Darby scores 83 out of 100, where a higher score means steadier demand year-round and a lower score means sharper peak-and-trough swings.
Upper Darby's Seasonality subscore is 83 out of 100, one of five inputs to its overall Market Score of 69. A higher score means steadier demand across the year.
Seasonality is the percentage gap between Upper Darby's lowest and highest monthly average revenue over the past year — the smaller the swing, the higher the score.
It is benchmarked against other short-term rental markets in the same country with at least 15 active listings.
Market-level averages hide wide variation. Here's how to go deeper in the app:
Key definitions

How occupancy and RevPAR rise and fall through the year in Upper Darby, month by month.
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Frequently asked
Upper Darby runs 47% annual occupancy.
Upper Darby's short-term rental occupancy is up 8.0% from July 2025 to July 2026, currently 47% of available nights booked.
RevPAR (revenue per available rental) is occupancy multiplied by average daily rate. It reflects what a listing earns across every available night. Upper Darby's annual RevPAR is $39.
Upper Darby's RevPAR is up 1.1% from July 2025 to July 2026, currently $39.
Upper Darby scores 83 out of 100 on AirDNA's seasonality scale. Higher scores mean steadier demand year-round.
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