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zipcodes.pro — STATE/NH/COUNTY/CHESHIRE

Cheshire County, NH ZIP codes

There are 27 ZIP codes in Cheshire County, NH, in 26 towns, from 03431 to 03609. The largest are 03431 (Keene), 03446 (Swanzey) and 03452 (Jaffrey).

The county seat is Keene.

ZIP codes
27
Towns
26
County seat
Keene
County FIPS
33005
Population
77,297
Median household income
$83,329
Land area
707 sq mi
Area code
603
Metro area
Keene

Cheshire County ZIP codes by town

Keene (county seat)
03431, 03435

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 Cheshire County ZIP codes

034310343503441034430344403445034460344703448034500345103452034550345603457034610346203464034650346603467034690347003602036040360803609

The ZIP codes of Cheshire 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.

Cheshire County in numbers

About 77,297 people live in Cheshire County, in 30,620 households, the 6th most populous of New Hampshire's 10 counties. The median household income is $83,329 a year, 16% below the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $280,100 (30% below the New Hampshire median), and median gross rent is $1,276 a month. The median age is 43.6; 35.5% of adults 25 and over hold a bachelor's degree or higher (40.6% across New Hampshire); the average commute takes 24 minutes.

Population77,297Cheshire77,297
Households30,620Cheshire30,620
Median age43.6Cheshire43.6New Hampshire43.3US 38.9
Median household income$83,329Cheshire$83,329New Hampshire$99,031US $80,734
Median home value$280,100Cheshire$280,100New Hampshire$402,500US $332,700
Median gross rent$1,276Cheshire$1,276New Hampshire$1,491US $1,413
Bachelor's degree or higher35.5%Cheshire35.5%New Hampshire40.6%US 35.7%
Mean commute23.7 minCheshire23.7 minNew Hampshire26.7 minUS 26.4 min
Population density109 / sq miCheshire109 / 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 Cheshire County

Largest towns in Cheshire County
TownZIP codesPopulation
Keene 2 22,939
Swanzey 1 6,588
Rindge 1 6,497
Jaffrey 1 3,277
Alstead 1 2,381
Fitzwilliam 1 2,278
Westmoreland 1 2,237
Spofford 1 1,726
Dublin 1 1,666
Hinsdale 1 1,580
West Chesterfield 1 1,315
Winchester 1 1,306
West Swanzey 1 1,188
Troy 1 1,081
Marlborough 1 1,048

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 Cheshire County.

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

Every ZIP code in Cheshire County, with figures

ZIP codes in Cheshire County
ZIP City Type Population Median income Median home
03431 Keene , NH Standard 25,065 $79,541 $255,500
03435 Keene , NH No street area — — —
03441 Ashuelot , NH Standard 593 $53,816 $283,500
03443 Chesterfield , NH Standard 581 — $373,300
03444 Dublin , NH Standard 1,666 $104,773 $429,600
03445 Sullivan , NH Standard 687 $106,667 $236,500
03446 Swanzey , NH Standard 6,588 $85,484 $262,100
03447 Fitzwilliam , NH Standard 2,278 $100,735 $305,900
03448 Gilsum , NH Standard 716 $80,417 $241,500
03450 Harrisville , NH Standard 885 $103,036 $430,500
03451 Hinsdale , NH Standard 3,997 $69,191 $200,700
03452 Jaffrey , NH Standard 5,448 $92,330 $245,500
03455 Marlborough , NH Standard 2,242 $69,395 $268,000
03456 Marlow , NH Standard 855 $110,455 $325,400
03457 Nelson , NH Standard 802 $100,625 $353,300
03461 Rindge , NH Standard 6,497 $102,679 $415,400
03462 Spofford , NH Standard 1,726 $115,313 $396,200
03464 Stoddard , NH Standard 902 $93,625 $325,000
03465 Troy , NH Standard 2,005 $88,871 $266,600
03466 West Chesterfield , NH Standard 1,315 $83,281 $343,900
03467 Westmoreland , NH Standard 2,237 $104,444 $351,800
03469 West Swanzey , NH No street area — — —
03470 Winchester , NH Standard 4,933 $79,028 $252,800
03602 Alstead , NH Standard 2,381 $70,455 $279,400
03604 Drewsville , NH Standard 0 — —
03608 Walpole , NH Standard 3,167 $88,224 $355,600
03609 North Walpole , NH Standard 523 $72,391 $201,000

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.