Pennsylvania ZIP Codes

ZIP records
1,832
Cities represented
1,641
Counties represented
67
Sum of listed ZIP population estimates
13,018,637

Population sum includes positive estimates in these ZIP records; it is not an official state population.

Top ZIP Codes by Population

Rank	ZIP Code	City	County	Population estimate
1	19124	Philadelphia	Philadelphia	71,004
2	17603	Lancaster	Lancaster	67,571
3	19120	Philadelphia	Philadelphia	66,469
4	19111	Philadelphia	Philadelphia	66,283
5	19143	Philadelphia	Philadelphia	62,572
6	19446	Lansdale	Montgomery	61,848
7	19149	Philadelphia	Philadelphia	56,914
8	19020	Bensalem	Bucks	56,809
9	17331	Hanover	York	56,443
10	15601	Greensburg	Westmoreland	56,425
11	17601	Lancaster	Lancaster	56,382
12	19320	Coatesville	Chester	55,941
13	19104	Philadelphia	Philadelphia	55,172
14	19382	West Chester	Chester	54,127
15	19067	Morrisville	Bucks	53,885
16	19335	Downingtown	Chester	53,629
17	19134	Philadelphia	Philadelphia	53,594
18	19140	Philadelphia	Philadelphia	53,385
19	17602	Lancaster	Lancaster	52,217
20	18102	Allentown	Lehigh	51,001

Counties

Cities

ZIP Prefix Directory

ZIP Range Directory

ZIP range 10000-19999

Download Pennsylvania ZIP records (CSV)

Methodology: ZIP records and place names are grouped using the source file's state, city, county, and ZIP fields. Population sums add positive ZIP-level estimates; they are not official state totals. Prefix and range links lead to directories of records sharing those ZIP patterns.