Merrimack County, New Hampshire ZIP codes
31 ZIP codes are in Merrimack County, plus 3 that cross in from neighboring counties. It's part of the Concord, NH micro area.
- ZIP codes
- 31
- Population in these ZIPs
- 160,041
- Avg. median income
- $99,300population-weighted
- Cities & towns
- 28
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Merrimack County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 03046 | Dunbarton | 3,097 | $124,348 | $599,700 |
| 03106 | Hooksett | 15,032 | $118,442 | $522,000 |
| 03216 | Andover | 2,046 | $88,311 | $465,600 |
| 03221 | Bradford | 2,200 | $109,803 | $464,000 |
| 03224 | Canterbury | 2,392 | $138,125 | $509,800 |
| 03229 | Contoocook | 6,046 | $137,386 | $573,800 |
| 03230 | Danbury | 1,451 | $71,685 | $387,100 |
| 03231 | East Andover | 89 | — | $604,800 |
| 03233 | Elkins | 156 | $120,156 | $507,800 |
| 03234 | Epsom | 4,939 | $97,941 | $483,900 |
| 03235 | Franklin | 8,903 | $71,775 | $380,400 |
| 03242 | Henniker | 6,197 | $95,206 | $493,700 |
| 03243 | Hill | 952 | $83,333 | $422,400 |
| 03255 | Newbury | 2,015 | $117,045 | $600,400 |
| 03257 | New London | 4,484 | $107,000 | $691,800 |
| 03258 | Chichester | 2,721 | $108,906 | $550,700 |
| 03260 | North Sutton | 976 | $117,000 | $369,600 |
| 03263 | Pittsfield | 4,105 | $74,318 | $415,800 |
| 03268 | Salisbury | 1,468 | $111,818 | $459,300 |
| 03272 PO Box | South Newbury | — | — | — |
| 03273 | South Sutton | 361 | $187,979 | $358,900 |
| 03275 | Suncook | 12,205 | $82,910 | $455,000 |
| 03276 | Tilton | 9,015 | $82,425 | $428,600 |
| 03278 | Warner | 3,079 | $94,783 | $459,500 |
| 03287 | Wilmot | 1,487 | $117,759 | $517,200 |
| 03301 | Concord | 33,995 | $86,840 | $464,800 |
| 03302 PO Box | Concord | — | — | — |
| 03303 | Concord | 16,571 | $80,456 | $423,300 |
| 03304 | Bow | 8,335 | $172,857 | $624,900 |
| 03305 PO Box | Concord | — | — | — |
| 03307 | Loudon | 5,724 | $107,226 | $505,900 |
ZIP codes partly in Merrimack County
These ZIP codes are mostly in a neighboring county but cover part of Merrimack County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 03104 | Manchester | Hillsborough County | 35,237 | $88,897 | $473,100 |
| 03220 | Belmont | Belknap County | 7,393 | $68,242 | $461,200 |
| 03261 | Northwood | Rockingham County | 4,688 | $129,375 | $529,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Merrimack County
Nearby counties
Frequently asked questions
How many ZIP codes are in Merrimack County, New Hampshire?
31 ZIP codes are mainly in Merrimack County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Merrimack County?
ZIP codes in Merrimack County use the city names Andover, Bow, Bradford, Canterbury, Chichester, Concord, Contoocook, Danbury, Dunbarton, East Andover, Elkins and Epsom and others.
What metro area is Merrimack County in?
Merrimack County is part of the Concord, NH micropolitan statistical area.