County ProfileNH
Sullivan County
Population: 43,063 · 17 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
43,063
People
Median age
47
Housing
Total households
16,618
Income
Median household income
$80,858
Housing
Total housing units
21,958
Employment
Employment rate
57.9%
Education
Bachelor’s degree or higher
30.3%
Healthcare
Insured population
94%
County details
Local time 03:24:23(ET)| Name | Sullivan |
|---|---|
| Total ZIP codes | 17total |
| ZIP codes (by type) | 14 Standard3 PO Box |
| Area code | 603 |
| Timezone | Eastern Time (ET) |
| Coordinates | 43.3611883, -72.2220839 |
| Land area | 537.9 sq miles(1,393.1 km²) |
Map of Sullivan county, New Hampshire with ZIP codes
Cities and Communities in Sullivan County
Compare the largest cities in Sullivan County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.
| City | Population | Median incomeHousehold | ZIP codes |
|---|---|---|---|
| Claremont | 12,949 | $59,096 | 1ZIPs |
| Newport | 4,735 | $78,174 | 1ZIPs |
| Charlestown | 1,078 | $31,078 | 1ZIPs |
| Plainfield | 178 | $109,500 | 1ZIPs |
| Acworth | — | — | 1ZIPs |
| Cornish | — | — | 1ZIPs |
| Cornish Flat | — | — | 1ZIPs |
| Georges Mills | — | — | 1ZIPs |
| Goshen | — | — | 1ZIPs |
| Grantham | — | — | 1ZIPs |
| Guild | — | — | 1ZIPs |
| Lempster | — | — | 1ZIPs |
| Meriden | — | — | 1ZIPs |
| South Acworth | — | — | 1ZIPs |
| Springfield | — | — | 1ZIPs |
| Sunapee | — | — | 1ZIPs |
| Washington | — | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Sullivan County
Review the most populated postal areas across Sullivan County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 03280 | Washington | — | — |
| 03284 | Springfield | — | — |
| 03601 | Acworth | — | — |
| 03603 | Charlestown | — | — |
| 03605 | Lempster | — | — |
| 03607 | South Acworth | — | — |
| 03743 | Claremont | — | — |
| 03745 | Cornish | — | — |
| 03746 | Cornish Flat | — | — |
| 03751 | Georges Mills | — | — |
| 03752 | Goshen | — | — |
| 03753 | Grantham | — | — |
| 03754 | Guild | — | — |
| 03770 | Meriden | — | — |
| 03773 | Newport | — | — |
| 03781 | Plainfield | — | — |
| 03782 | Sunapee | — | — |
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS