County ProfileNH
Merrimack County
Population: 153,808 · 32 ZIP codes
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
153,808
People
Median age
42.9
Housing
Total households
60,901
Income
Median household income
$97,004
Housing
Total housing units
66,497
Employment
Employment rate
62.3%
Education
Bachelor’s degree or higher
38.9%
Healthcare
Insured population
94.9%
County details
Local time 03:22:13(ET)| Name | Merrimack |
|---|---|
| Total ZIP codes | 32total |
| ZIP codes (by type) | 25 Standard4 PO Box3 Unique |
| Area code | 603 |
| Timezone | Eastern Time (ET) |
| Coordinates | 43.2995786, -71.6800412 |
| Land area | 932.9 sq miles(2,416.1 km²) |
Map of Merrimack county, New Hampshire with ZIP codes
Cities and Communities in Merrimack County
Compare the largest cities in Merrimack 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 |
|---|---|---|---|
| Concord | 43,976 | $84,902 | 4ZIPs |
| Franklin | 8,741 | $71,648 | 1ZIPs |
| Suncook | 5,501 | $79,836 | 1ZIPs |
| Hooksett | 5,283 | $101,053 | 1ZIPs |
| Henniker | 3,166 | $76,326 | 1ZIPs |
| Pittsfield | 1,570 | $60,144 | 1ZIPs |
| Contoocook | 1,427 | $97,928 | 1ZIPs |
| New London | 1,266 | — | 1ZIPs |
| Loudon | 711 | $106,486 | 1ZIPs |
| Warner | 453 | $47,885 | 1ZIPs |
| Bradford | 372 | $84,375 | 1ZIPs |
| Andover | — | — | 1ZIPs |
| Bow | — | — | 1ZIPs |
| Canterbury | — | — | 1ZIPs |
| Chichester | — | — | 1ZIPs |
| Danbury | — | — | 1ZIPs |
| Dunbarton | — | — | 1ZIPs |
| East Andover | — | — | 1ZIPs |
| Elkins | — | — | 1ZIPs |
| Epsom | — | — | 1ZIPs |
| Hill | — | — | 1ZIPs |
| Newbury | — | — | 1ZIPs |
| North Sutton | — | — | 1ZIPs |
| Salisbury | — | — | 1ZIPs |
| South Sutton | — | — | 1ZIPs |
| Tilton | — | — | 3ZIPs |
| Wilmot | — | — | 1ZIPs |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP Codes in Merrimack County
Review the most populated postal areas across Merrimack County. Use the ranking below to compare resident density and demographic scales between the county's major zones.
| ZIP | City | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 03046 | Dunbarton | — | — |
| 03106 | Hooksett | — | — |
| 03216 | Andover | — | — |
| 03221 | Bradford | — | — |
| 03224 | Canterbury | — | — |
| 03229 | Contoocook | — | — |
| 03230 | Danbury | — | — |
| 03231 | East Andover | — | — |
| 03233 | Elkins | — | — |
| 03234 | Epsom | — | — |
| 03235 | Franklin | — | — |
| 03242 | Henniker | — | — |
| 03243 | Hill | — | — |
| 03255 | Newbury | — | — |
| 03257 | New London | — | — |
| 03258 | Chichester | — | — |
| 03260 | North Sutton | — | — |
| 03263 | Pittsfield | — | — |
| 03268 | Salisbury | — | — |
| 03273 | South Sutton | — | — |
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