There are 28 zip codes in Merrimack County, New Hampshire. The most populated is 3301, located in Concord. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 03301 | 33,986 | Concord |
| 03303 | 16,118 | Concord |
| 03106 | 14,654 | Hooksett |
| 03275 | 12,028 | Suncook |
| 03235 | 8,827 | Franklin |
| 03276 | 8,811 | Tilton |
| 03304 | 8,235 | Bow |
| 03242 | 6,094 | Henniker |
| 03229 | 5,925 | Contoocook |
| 03307 | 5,638 | Loudon |
| 03234 | 4,846 | Epsom |
| 03257 | 4,381 | New London |
| 03263 | 4,093 | Pittsfield |
| 03278 | 3,003 | Warner |
| 03046 | 3,000 | Dunbarton |
| 03258 | 2,659 | Chichester |
| 03224 | 2,343 | Canterbury |
| 03221 | 2,263 | Bradford |
| 03216 | 2,041 | Andover |
| 03255 | 1,899 | Newbury |
| 03268 | 1,507 | Salisbury |
| 03287 | 1,502 | Wilmot |
| 03230 | 1,491 | Danbury |
| 03260 | 995 | North Sutton |
| 03243 | 902 | Hill |
| 03273 | 309 | South Sutton |
| 03233 | 209 | Elkins |
| 03231 | 110 | East Andover |