There are 8 zip codes in Knox County, Ohio. The most populated is 43050, located in Mount Vernon. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
43050 | Mount Vernon | 31,064 |
43019 | Fredericktown | 9,905 |
43028 | Howard | 7,482 |
43011 | Centerburg | 6,859 |
43014 | Danville | 3,867 |
43022 | Gambier | 3,630 |
43005 | Bladensburg | 445 |
43037 | Martinsburg | 132 |