There are 37 zip codes in Chester County, Pennsylvania. The most populated is 19320, located in Coatesville. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1932055,321Coatesville
1938253,117West Chester
1933551,126Downingtown
1938050,494West Chester
1946043,246Phoenixville
1935528,178Malvern
1934823,707Kennett Square
1934120,545Exton
1946518,710Pottstown
1936317,670Oxford
1942517,385Chester Springs
1934412,784Honey Brook
1939012,677West Grove
1931212,021Berwyn
1947511,840Spring City
1931111,342Avondale
1935211,279Lincoln University
1935010,636Landenberg
193438,316Glenmoore
193017,960Paoli
193337,886Devon
193657,402Parkesburg
195206,261Elverson
193625,981Nottingham
193305,761Cochranville
193835,271West Chester
193103,013Atglen
193722,021Thorndale
19374812Toughkenamon
19345718Immaculata
19358384Modena
19375176Unionville
19369159Sadsburyville
19457148Parker Ford
19367142Pomeroy
1931681Brandamore
19442Kimberton
showing: 37 rows

Zip Codes in Chester County, Pennsylvania by Population (2024)