100 Smallest ZIP Codes in the United States by Population in Dauphin County, Pennsylvania
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Dauphin County, Pennsylvania.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 17005 | BERRYSBURG | PA | 280 |
| 2 | 17080 | PILLOW | PA | 306 |
| 3 | 17030 | GRATZ | PA | 587 |
| 4 | 17978 | SPRING GLEN | PA | 739 |
| 5 | 17097 | WICONISCO | PA | 772 |
| 6 | 17098 | WILLIAMSTOWN | PA | 2,441 |
| 7 | 17101 | HARRISBURG | PA | 2,513 |
| 8 | 17034 | HIGHSPIRE | PA | 2,709 |
| 9 | 17028 | GRANTVILLE | PA | 3,275 |
| 10 | 17023 | ELIZABETHVILLE | PA | 3,496 |
| 11 | 17048 | LYKENS | PA | 3,611 |
| 12 | 17018 | DAUPHIN | PA | 4,158 |
| 13 | 17061 | MILLERSBURG | PA | 6,924 |
| 14 | 17032 | HALIFAX | PA | 7,645 |
| 15 | 17102 | HARRISBURG | PA | 8,173 |
| 16 | 17113 | HARRISBURG | PA | 11,559 |
| 17 | 17103 | HARRISBURG | PA | 12,923 |
| 18 | 17033 | HERSHEY | PA | 17,023 |
| 19 | 17104 | HARRISBURG | PA | 20,211 |
| 20 | 17036 | HUMMELSTOWN | PA | 22,317 |
| 21 | 17057 | MIDDLETOWN | PA | 23,423 |
| 22 | 17110 | HARRISBURG | PA | 25,456 |
| 23 | 17109 | HARRISBURG | PA | 26,531 |
| 24 | 17111 | HARRISBURG | PA | 36,269 |
| 25 | 17112 | HARRISBURG | PA | 38,369 |