Four Chester County zip codes are among the most expensive in Pennsylvania, according to Zillow data. As homes are becoming more expensive, the average value is $257,511 in the state, writes Michelle Rotuno-Johnson for Patch.

Thirty-three of the most expensive zip codes are in the Philadelphia region. 

The highest-ranking zip code in Chester County is Berwyn’s 19312 with an average home value of $864,951.  

Devon’s 19333 ranked at no. 12. The area saw an average home value of $757,435.  

Following shortly after is Wayne’s 19087 in the fifteenth spot at an average home price of $725,508.  

Malvern’s 19355 came in at no. 20 with an average home value of $690,681.  

Read more about the most expensive zip codes in Chester County in Patch.  

July 2023, Chester County and real estate market update.