Top 10 Most Active Counties in Pennsylvania

Counties in Pennsylvania with the most active listings for September 2026. Source: Realtor.com.

#1

Philadelphia County, PA

6,945 active listings · $297,679 median

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#2

Allegheny County, PA

5,248 active listings · $283,597 median

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#3

Montgomery County, PA

2,299 active listings · $543,555 median

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#4

Bucks County, PA

1,801 active listings · $778,665 median

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#5

York County, PA

1,685 active listings · $364,921 median

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#6

Chester County, PA

1,649 active listings · $649,928 median

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#7

Delaware County, PA

1,572 active listings · $465,613 median

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#8

Monroe County, PA

1,332 active listings · $390,513 median

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#9

Westmoreland County, PA

1,308 active listings · $254,783 median

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#10

Lancaster County, PA

1,221 active listings · $410,520 median

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