There are 21 zip codes in Grant County, Wisconsin. The most populated is 53818, located in Platteville. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 53818 | 15,712 | Platteville |
| 53813 | 6,211 | Lancaster |
| 53805 | 5,613 | Boscobel |
| 53809 | 4,721 | Fennimore |
| 53807 | 4,315 | Cuba City |
| 53811 | 3,197 | Hazel Green |
| 53573 | 3,038 | Muscoda |
| 53820 | 2,314 | Potosi |
| 53806 | 1,604 | Cassville |
| 53804 | 1,346 | Bloomington |
| 53801 | 1,034 | Bagley |
| 53554 | 983 | Livingston |
| 53808 | 936 | Dickeyville |
| 53569 | 907 | Montfort |
| 53816 | 905 | Mount Hope |
| 53825 | 468 | Stitzer |
| 53827 | 361 | Woodman |
| 53810 | 316 | Glen Haven |
| 53812 | 311 | Kieler |
| 53817 | 225 | Patch Grove |
| 53802 | 134 | Beetown |