Merrimack County, NH ZIP Codes
28 ZIP codes cover all or part of Merrimack County, New Hampshire. The Census Bureau counts 155,967 residents in the county, with a median household income of $97,004 and a median home value of $367,600. Median household income ranges from $71,685 in 03230 to $172,857 in 03304. Its largest communities include Concord, Franklin, South Hooksett, Hooksett and Suncook.
Merrimack County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 155,967 |
| Households | 60,901 |
| Median household income | $97,004 |
| Median home value | $367,600 |
| Median age | 42.9 |
| Median rent | $1,360 |
All 28 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 160,041 |
| Households (sum of ZIP codes) | 62,593 |
| Median household income, range across ZIP codes | $71,685 (03230) to $172,857 (03304) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $98,005 |
| Homeowners | 73.3% |
| Households with kids under 18 | 26.5% |
| Moved in the past year | 10.0% |
| Carrier routes in EDDM2GO's route library | 123 routes, 62,178 homes (24 of 28 ZIP codes) |
Top facts
- Highest median household income in Merrimack County: 03304 ($172,857)
- Most residents: 03301 (33,995 people)
- Highest homeownership: 03268 (96.6% own their home)
- Most households with kids: 03258 (37.5% of households)
- Most new movers: 03301 (14.3% moved in last year)
- Youngest median age: 03242 (31.1 years)
- Highest median home value: 03257 ($559,000)
Every ZIP code in Merrimack County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 03301 | Concord | 33,995 | 13,856 | $86,840 | $371,300 | 55.5% | 22.8% | 14.3% | 29 | 15,276 | 100% of its land |
| 03303 | Concord | 16,571 | 6,700 | $80,456 | $296,200 | 68.2% | 25.7% | 9.2% | 12 | 7,255 | 100% of its land |
| 03106 | Hooksett | 15,032 | 5,475 | $118,442 | $408,400 | 80.5% | 28.4% | 9.0% | 11 | 6,568 | 100% of its land |
| 03275 | Suncook | 12,205 | 4,791 | $82,910 | $336,500 | 73.0% | 30.0% | 8.0% | 8 | 5,582 | 100% of its land |
| 03276 | Tilton | 9,015 | 3,573 | $82,425 | $272,700 | 69.1% | 28.9% | 9.6% | 7 | 3,810 | 72% of its land |
| 03235 | Franklin | 8,903 | 3,637 | $71,775 | $263,600 | 64.5% | 24.8% | 12.8% | 7 | 4,193 | 100% of its land |
| 03304 | Bow | 8,335 | 2,858 | $172,857 | $506,500 | 87.5% | 37.3% | 7.3% | 7 | 3,241 | 100% of its land |
| 03242 | Henniker | 6,197 | 2,121 | $95,206 | $356,700 | 64.5% | 24.9% | 13.0% | 3 | 1,632 | 100% of its land |
| 03229 | Contoocook | 6,046 | 2,127 | $137,386 | $506,100 | 87.4% | 31.5% | 11.0% | 5 | 2,392 | 100% of its land |
| 03307 | Loudon | 5,724 | 2,248 | $107,226 | $365,400 | 89.7% | 21.6% | 3.8% | 4 | 2,361 | 100% of its land |
| 03234 | Epsom | 4,939 | 1,926 | $97,941 | $338,400 | 87.6% | 30.2% | 10.1% | 3 | 2,003 | 100% of its land |
| 03257 | New London | 4,484 | 1,650 | $107,000 | $559,000 | 90.6% | 18.7% | 11.7% | 3 | 1,392 | 97% of its land |
| 03263 | Pittsfield | 4,105 | 1,762 | $74,318 | $294,800 | 68.8% | 28.0% | 6.3% | 4 | 1,783 | 100% of its land |
| 03046 | Dunbarton | 3,097 | 1,194 | $124,348 | $484,100 | 95.1% | 34.8% | 7.9% | 3 | 1,239 | 100% of its land |
| 03278 | Warner | 3,079 | 1,248 | $94,783 | $356,900 | 76.0% | 26.4% | 10.8% | 3 | 1,220 | 100% of its land |
| 03258 | Chichester | 2,721 | 1,038 | $108,906 | $410,100 | 85.5% | 37.5% | 3.9% | 2 | 1,149 | 100% of its land |
| 03224 | Canterbury | 2,392 | 946 | $138,125 | $438,500 | 93.7% | 30.5% | 3.7% | 2 | 981 | 100% of its land |
| 03221 | Bradford | 2,200 | 879 | $109,803 | $325,400 | 86.6% | 28.6% | 10.1% | 2 | 708 | 100% of its land |
| 03216 | Andover | 2,046 | 842 | $88,311 | $358,800 | 90.3% | 20.8% | 11.9% | 2 | 924 | 100% of its land |
| 03255 | Newbury | 2,015 | 800 | $117,045 | $465,000 | 87.6% | 20.5% | 4.0% | 2 | 888 | 100% of its land |
| 03287 | Wilmot | 1,487 | 658 | $117,759 | $399,600 | 83.4% | 23.9% | 6.6% | 1 | 502 | 100% of its land |
| 03268 | Salisbury | 1,468 | 596 | $111,818 | $363,200 | 96.6% | 27.9% | 4.3% | 1 | 444 | 100% of its land |
| 03230 | Danbury | 1,451 | 649 | $71,685 | $240,700 | 90.9% | 20.3% | 4.8% | 1 | 562 | 100% of its land |
| 03260 | North Sutton | 976 | 346 | $117,000 | $369,600 | 97.7% | 21.4% | 6.1% | — | — | 100% of its land |
| 03243 | Hill | 952 | 360 | $83,333 | $304,400 | 94.4% | 14.7% | 7.9% | 1 | 449 | 94% of its land |
| 03273 | South Sutton | 361 | 162 | $187,979 | $358,900 | 95.1% | 20.4% | 4.5% | — | — | 100% of its land |
| 03233 | Elkins | 156 | 93 | $120,156 | $507,800 | 100.0% | 0.0% | 0.0% | — | — | 100% of its land |
| 03231 | East Andover | 89 | 58 | — | $604,800 | 62.1% | 0.0% | 21.3% | — | — | 100% of its land |
A ZIP code is listed for Merrimack County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Concord — 44,375 residents · 2 ZIP codes
- Franklin — 8,799 residents · 1 ZIP code
- South Hooksett — 5,902 residents · 1 ZIP code
- Hooksett — 5,876 residents · 1 ZIP code
- Suncook — 5,432 residents · 1 ZIP code
- Tilton Northfield — 3,101 residents · 1 ZIP code
- Henniker — 2,993 residents · 1 ZIP code
- Pittsfield — 1,744 residents · 1 ZIP code
- Contoocook — 1,376 residents · 1 ZIP code
- New London — 1,278 residents · 1 ZIP code
- Loudon — 614 residents · 1 ZIP code
- Bradford — 404 residents · 1 ZIP code
- Warner — 341 residents · 1 ZIP code
- Blodgett Landing — 100 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Merrimack County — 23 ZIP codes ranked
- ZIP codes with the highest home values in Merrimack County — 23 ZIP codes ranked
- ZIP codes with the highest homeownership in Merrimack County — 23 ZIP codes ranked
- ZIP codes with the most families with kids in Merrimack County — 23 ZIP codes ranked
- ZIP codes with the most new movers in Merrimack County — 23 ZIP codes ranked
- Youngest ZIP codes in Merrimack County — 23 ZIP codes ranked
- Oldest ZIP codes in Merrimack County — 23 ZIP codes ranked
- Fastest-growing ZIP codes in Merrimack County — 23 ZIP codes ranked
Price a mailing to Merrimack County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Merrimack County, NH?
- 03301, 03303, 03106, 03275, 03276, 03235, 03304, 03242, 03229, 03307, 03234, 03257, 03263, 03046, 03278, 03258, 03224, 03221, 03216, 03255, 03287, 03268, 03230, 03260, 03243, 03273, 03233 and 03231. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Merrimack County?
- 155,967 residents in 60,901 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Merrimack County?
- $97,004 for the county as a whole. Its ZIP codes range from $71,685 (03230) to $172,857 (03304).
- Which Merrimack County ZIP code has the highest median household income?
- 03304, at $172,857, among ZIP codes with at least 1,000 residents. See the full ranking of Merrimack County ZIP codes by income.
- How many carrier routes and mailboxes are in Merrimack County?
- For the 24 of 28 ZIP codes in EDDM2GO's stored route library: 123 carrier routes reaching 62,178 residential and 4,385 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.