Sullivan County, NH ZIP Codes
16 ZIP codes cover all or part of Sullivan County, New Hampshire. The Census Bureau counts 43,715 residents in the county, with a median household income of $80,858 and a median home value of $268,700. Median household income ranges from $56,731 in 03603 to $110,175 in 03782. Its largest communities include Claremont, Newport, Charlestown and Plainfield.
Sullivan County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 43,715 |
| Households | 16,618 |
| Median household income | $80,858 |
| Median home value | $268,700 |
| Median age | 47 |
| Median rent | $1,211 |
All 16 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 45,183 |
| Households (sum of ZIP codes) | 17,300 |
| Median household income, range across ZIP codes | $56,731 (03603) to $110,175 (03782) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $77,132 |
| Homeowners | 75.4% |
| Households with kids under 18 | 20.5% |
| Moved in the past year | 9.1% |
| Carrier routes in EDDM2GO's route library | 38 routes, 16,325 homes (11 of 16 ZIP codes) |
Top facts
- Highest median household income in Sullivan County: 03782 ($110,175)
- Most residents: 03743 (13,704 people)
- Highest homeownership: 03753 (99.8% own their home)
- Most households with kids: 03781 (35.4% of households)
- Most new movers: 03743 (13.8% moved in last year)
- Youngest median age: 03781 (38.8 years)
- Highest median home value: 03781 ($426,400)
Every ZIP code in Sullivan County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 03743 | Claremont | 13,704 | 5,245 | $59,625 | $206,600 | 58.2% | 21.6% | 13.8% | 11 | 6,329 | 100% of its land |
| 03773 | Newport | 7,681 | 3,134 | $81,232 | $239,300 | 70.5% | 17.3% | 11.5% | 9 | 3,617 | 100% of its land |
| 03603 | Charlestown | 5,238 | 1,726 | $56,731 | $230,400 | 80.6% | 21.7% | 8.6% | 4 | 1,983 | 100% of its land |
| 03753 | Grantham | 3,509 | 1,449 | $106,285 | $343,900 | 99.8% | 24.4% | 0.0% | 1 | 443 | 100% of its land |
| 03782 | Sunapee | 3,122 | 1,229 | $110,175 | $412,000 | 72.6% | 12.4% | 3.8% | 3 | 1,314 | 100% of its land |
| 03602 | Alstead | 2,381 | 1,024 | $70,455 | $279,400 | 80.3% | 18.5% | 4.8% | 3 | 1,135 | 37% of its land |
| 03781 | Plainfield | 1,918 | 695 | $109,659 | $426,400 | 86.5% | 35.4% | 3.6% | 2 | 666 | 100% of its land |
| 03745 | Cornish | 1,816 | 766 | $91,821 | $296,000 | 94.1% | 13.1% | 9.3% | 2 | 565 | 100% of its land |
| 03280 | Washington | 1,224 | 489 | $90,096 | $355,200 | 94.5% | 17.0% | 12.4% | 1 | 626 | 100% of its land |
| 03752 | Goshen | 1,042 | 301 | $70,417 | $255,600 | 91.4% | 35.2% | 4.7% | — | — | 100% of its land |
| 03605 | Lempster | 907 | 327 | $86,250 | $239,300 | 98.2% | 22.0% | 13.8% | 1 | 342 | 100% of its land |
| 03284 | Springfield | 890 | 278 | $113,158 | $364,400 | 91.4% | 24.5% | 0.0% | — | — | 100% of its land |
| 03770 | Meriden | 604 | 198 | $153,750 | $594,400 | 90.4% | 38.4% | 12.1% | — | — | 100% of its land |
| 03751 | Georges Mills | 397 | 208 | — | — | 100.0% | 1.0% | 0.0% | — | — | 100% of its land |
| 03601 | Acworth | 382 | 102 | $81,250 | $261,700 | 98.0% | 22.5% | 0.0% | — | — | 100% of its land |
| 03607 | South Acworth | 368 | 129 | $84,306 | $265,000 | 87.6% | 18.6% | 7.4% | 1 | 92 | 100% of its land |
A ZIP code is listed for Sullivan 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
- Claremont — 13,078 residents · 1 ZIP code
- Newport — 4,758 residents · 1 ZIP code
- Charlestown — 659 residents · 1 ZIP code
- Plainfield — 220 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Sullivan County — 10 ZIP codes ranked
- ZIP codes with the highest home values in Sullivan County — 10 ZIP codes ranked
- ZIP codes with the highest homeownership in Sullivan County — 10 ZIP codes ranked
- ZIP codes with the most families with kids in Sullivan County — 10 ZIP codes ranked
- ZIP codes with the most new movers in Sullivan County — 10 ZIP codes ranked
- Youngest ZIP codes in Sullivan County — 10 ZIP codes ranked
- Oldest ZIP codes in Sullivan County — 10 ZIP codes ranked
- Fastest-growing ZIP codes in Sullivan County — 9 ZIP codes ranked
Price a mailing to Sullivan County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Sullivan County, NH?
- 03743, 03773, 03603, 03753, 03782, 03602, 03781, 03745, 03280, 03752, 03605, 03284, 03770, 03751, 03601 and 03607. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Sullivan County?
- 43,715 residents in 16,618 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Sullivan County?
- $80,858 for the county as a whole. Its ZIP codes range from $56,731 (03603) to $110,175 (03782).
- Which Sullivan County ZIP code has the highest median household income?
- 03782, at $110,175, among ZIP codes with at least 1,000 residents. See the full ranking of Sullivan County ZIP codes by income.
- How many carrier routes and mailboxes are in Sullivan County?
- For the 11 of 16 ZIP codes in EDDM2GO's stored route library: 38 carrier routes reaching 16,325 residential and 776 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.