100 Largest ZIP Codes in the United States by Population in Washington County, Ohio
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Washington County, Ohio.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 45750 | MARIETTA | OH | 26,250 |
| 2 | 45714 | BELPRE | OH | 9,167 |
| 3 | 45742 | LITTLE HOCKING | OH | 3,335 |
| 4 | 45784 | VINCENT | OH | 3,250 |
| 5 | 45786 | WATERFORD | OH | 2,854 |
| 6 | 45767 | NEW MATAMORAS | OH | 2,598 |
| 7 | 45744 | LOWELL | OH | 2,234 |
| 8 | 45715 | BEVERLY | OH | 2,197 |
| 9 | 45724 | CUTLER | OH | 2,190 |
| 10 | 45729 | FLEMING | OH | 2,111 |
| 11 | 45768 | NEWPORT | OH | 1,567 |
| 12 | 45745 | LOWER SALEM | OH | 1,049 |
| 13 | 45788 | WHIPPLE | OH | 975 |
| 14 | 45773 | RENO | OH | 533 |
| 15 | 45746 | MACKSBURG | OH | 373 |
| 16 | 45789 | WINGETT RUN | OH | 146 |
| 17 | 45721 | COAL RUN | OH | 23 |