Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/NH/COUNTY/MERRIMACK

Merrimack County, NH ZIP codes

There are 31 ZIP codes in Merrimack County, NH, in 28 towns, from 03046 to 03307. The largest are 03301 (Concord), 03303 (Concord) and 03106 (Hooksett).

The county seat is Concord.

ZIP codes
31
Towns
28
County seat
Concord
County FIPS
33013
Population
155,967
Median household income
$97,004
Land area
933 sq mi
Area code
603
Metro area
Concord

Merrimack County ZIP codes by town

Concord (county seat)
03301, 03302, 03303, 03305

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Merrimack County ZIP codes

03046031060321603221032240322903230032310323303234032350324203243032550325703258032600326303268032720327303275032760327803287033010330203303033040330503307

The ZIP codes of Merrimack County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Merrimack County in numbers

About 155,967 people live in Merrimack County, in 60,901 households, the 3rd most populous of New Hampshire's 10 counties. The median household income is $97,004 a year, about the same as the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $367,600 (9% below the New Hampshire median), and median gross rent is $1,360 a month. The median age is 42.9; 38.9% of adults 25 and over hold a bachelor's degree or higher (40.6% across New Hampshire); the average commute takes 27 minutes.

Population155,967Merrimack155,967
Households60,901Merrimack60,901
Median age42.9Merrimack42.9New Hampshire43.3US 38.9
Median household income$97,004Merrimack$97,004New Hampshire$99,031US $80,734
Median home value$367,600Merrimack$367,600New Hampshire$402,500US $332,700
Median gross rent$1,360Merrimack$1,360New Hampshire$1,491US $1,413
Bachelor's degree or higher38.9%Merrimack38.9%New Hampshire40.6%US 35.7%
Mean commute26.6 minMerrimack26.6 minNew Hampshire26.7 minUS 26.4 min
Population density167 / sq miMerrimack167 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Merrimack County

Largest towns in Merrimack County
TownZIP codesPopulation
Concord 4 44,375
Tilton 1 9,015
Franklin 1 8,799
Bow 1 8,335
Hooksett 1 5,876
Suncook 1 5,432
Epsom 1 4,939
Dunbarton 1 3,097
Henniker 1 2,993
Chichester 1 2,721
Canterbury 1 2,392
Andover 1 2,046
Newbury 1 2,015
Pittsfield 1 1,744
Wilmot 1 1,487

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Merrimack County.

Not sure you are in Merrimack County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Merrimack County, with figures

ZIP codes in Merrimack County
ZIP City Type Population Median income Median home
03046 Dunbarton , NH Standard 3,097 $124,348 $484,100
03106 Hooksett , NH Standard 15,032 $118,442 $408,400
03216 Andover , NH Standard 2,046 $88,311 $358,800
03221 Bradford , NH Standard 2,200 $109,803 $325,400
03224 Canterbury , NH Standard 2,392 $138,125 $438,500
03229 Contoocook , NH Standard 6,046 $137,386 $506,100
03230 Danbury , NH Standard 1,451 $71,685 $240,700
03231 East Andover , NH Standard 89 — $604,800
03233 Elkins , NH Standard 156 $120,156 $507,800
03234 Epsom , NH Standard 4,939 $97,941 $338,400
03235 Franklin , NH Standard 8,903 $71,775 $263,600
03242 Henniker , NH Standard 6,197 $95,206 $356,700
03243 Hill , NH Standard 952 $83,333 $304,400
03255 Newbury , NH Standard 2,015 $117,045 $465,000
03257 New London , NH Standard 4,484 $107,000 $559,000
03258 Chichester , NH Standard 2,721 $108,906 $410,100
03260 North Sutton , NH Standard 976 $117,000 $369,600
03263 Pittsfield , NH Standard 4,105 $74,318 $294,800
03268 Salisbury , NH Standard 1,468 $111,818 $363,200
03272 South Newbury , NH No street area — — —
03273 South Sutton , NH Standard 361 $187,979 $358,900
03275 Suncook , NH Standard 12,205 $82,910 $336,500
03276 Tilton , NH Standard 9,015 $82,425 $272,700
03278 Warner , NH Standard 3,079 $94,783 $356,900
03287 Wilmot , NH Standard 1,487 $117,759 $399,600
03301 Concord , NH Standard 33,995 $86,840 $371,300
03302 Concord , NH No street area — — —
03303 Concord , NH Standard 16,571 $80,456 $296,200
03304 Bow , NH Standard 8,335 $172,857 $506,500
03305 Concord , NH No street area — — —
03307 Loudon , NH Standard 5,724 $107,226 $365,400

Cite this page

zipcodes.pro. “Merrimack County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/nh/county/merrimack

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