Cheshire County area

Cheshire County, New Hampshire covers 729 square miles: 706.7 square miles of land and 22.2 square miles of water. Its county seat is Keene. An estimated 78,269 people lived there in 2025.

Official Census measurements · GEOID 330052026 Gazetteer · retrieved September 27, 2026
Land area706.7 mi²
Water area22.2 mi²
Population (2025)78,269
People per mi²111

County outline

Generalized outline of Cheshire County, New Hampshire
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Cheshire County is located

Cheshire County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 97% of Cheshire County’s measured area and water for 3%. Its combined area converts to 1,888 square kilometers or approximately 466,528 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land706.7251,830.409452,304
Water22.22557.56214,224
Total728.951,887.972466,528

How Cheshire County compares

By original Census land area, Cheshire County ranks #6 of 10 in New Hampshire and #1305 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.893 times the New Hampshire county-equivalent median of 791.6 square miles. It accounts for 7.9% of the combined county land area in the state.

See the complete New Hampshire ranking · What counts as a county equivalent?

Population and density of Cheshire County

The Census Bureau estimates that 78,269 people lived in Cheshire County on July 1, 2025. That ranks #745 of 3,222 county equivalents nationally and #6 of 10 in New Hampshire. Since the April 1, 2020 estimates base of 76,446, the population has grown by 1,823 (+2.4%), compared with +2.7% for New Hampshire as a whole.

With 706.7 square miles of land, that is 111 people per square mile (43 per km²), placing Cheshire County #927 nationally for density and #6 in New Hampshire. The median county equivalent has 47 people per square mile; the New Hampshire median is 136. Put another way, there are about 5.8 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate76,54176,85877,38077,68078,16878,269
Change—+317+522+300+488+101

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Cheshire County

Cheshire County is divided into 23 cities and towns. In New Hampshire, county subdivisions are local governments, and together they cover all of the county’s land and residents.

The most populous is Keene city, with 23,072 residents (29.5% of the county). The largest by land is Winchester town, at 55 mi², or 7.8% of the county’s land. Among those with at least 1,000 residents in 2020, Stoddard town grew fastest since then (+6.2%).

County subdivisionPopulation 2025Since 2020Land mi²Share of county land
Keene cityCounty seat23,072+0.2%37.15.2%
Swanzey town7,461+2.5%456.4%
Rindge town6,502+0.4%37.15.3%
Jaffrey town5,633+5.7%38.45.4%
Winchester town4,281+3.6%557.8%
Hinsdale town4,034+2.1%20.52.9%
Walpole town3,706+2%35.25%
Chesterfield town3,684+3.7%45.66.4%
Fitzwilliam town2,500+6%34.64.9%
Marlborough town2,201+5.4%20.42.9%
Troy town2,198+3%17.52.5%
Alstead town1,928+3.4%38.85.5%
Westmoreland town1,757+3%35.85.1%
Dublin town1,605+5.2%27.93.9%
Stoddard town1,468+6.2%50.97.2%
Show the other 8 subdivisions
NamePopulation 2025Since 2020Land mi²
Richmond town1,234+3.4%37.5
Harrisville town1,000+1.5%18.7
Surry town862+5%15.7
Gilsum town792+5.2%16.7
Marlow town773+4%26
Sullivan town697+5.9%18.5
Nelson town661+5.3%21.9
Roxbury town220+0.9%11.9

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each subdivision inside Cheshire County. Land: 2026 Census Gazetteer. How communities are listed.

Metropolitan area

Cheshire County is a central county of the Keene, NH Micropolitan Statistical Area. Cheshire County is the area’s only county equivalent, so the micro area has the same 706.7 square miles of land. By combined land it ranks #305 of 542 micropolitan areas, and #77 by population. It belongs to the Keene-Brattleboro, NH-VT Combined Statistical Area.

ZIP codes

27 ZIP Code Tabulation Areas have land in Cheshire County; 25 of them have most of their land inside the county, and the others mainly cover neighboring areas.

032800343103441034430344403445034460344703448034500345103452034550345603457034580346103462034640346503466034670347003602036040360803609

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Cheshire County

Cheshire County shares a land border with 5 county equivalents, including 3 in Vermont and Massachusetts. It has more land than 2 of them. The largest neighbor is Worcester County (1,510.7 mi²) and the smallest is Sullivan County (537.9 mi²). Together with its neighbors, Cheshire County forms a block of 5,117 mi² of land, of which it holds 13.8%.

Map of Cheshire County and the 5 county equivalents that border it Windham County, Vermont: 786 mi² landHillsborough County, New Hampshire: 876.5 mi² landSullivan County, New Hampshire: 537.9 mi² landWorcester County, Massachusetts: 1,510.7 mi² landFranklin County, Massachusetts: 699.2 mi² land
Cheshire County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. CheshireCompare
Worcester CountyMassachusetts1,510.72.1× largerCompare
Hillsborough County876.51.2× largerCompare
Windham CountyVermont7861.1× largerCompare
Franklin CountyMassachusetts699.2about the sameCompare
Sullivan County537.91.3× smallerCompare

How big is Cheshire County compared with U.S. states?

Cheshire County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.5 times as much. New Hampshire’s county land could hold about 13 areas the size of Cheshire County.

Land area: Cheshire County and the closest-sized states
Cheshire County706.7 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 26.6 miles (42.8 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Cheshire County?

Cheshire County has more land than 1,917 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Cheshire County706.7 mi²
New Hampshire median791.6 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Cheshire County at #1,326 nationally by total area, 21 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 3%, compared with a national county-equivalent median of 1.2% — 1.9 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Cheshire County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1304Craighead County, Arkansas707.2Compare
#1305Cheshire County, New Hampshire706.7This county
#1306Craven County, North Carolina706.5Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 42.924835, -72.249142. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,830,408,431 m²; AWATER: 57,563,431 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Cheshire County?

Cheshire County, New Hampshire has 706.7 square miles (1,830.4 km²) of land and 22.2 square miles of water, for a total area of 729 square miles. It ranks #1305 of 3,222 U.S. county equivalents by land area.

Is Cheshire County the largest county in New Hampshire?

No. Cheshire County ranks #6 of 10 in New Hampshire by land area. The largest is Coos County, with 1,794.6 square miles of land.

What counties border Cheshire County?

Cheshire County shares a land border with Windham County, Vermont, Hillsborough County, Sullivan County, Worcester County, Massachusetts, and Franklin County, Massachusetts.

What is the population of Cheshire County?

The Census Bureau estimates Cheshire County had 78,269 residents on July 1, 2025, ranking #745 of 3,222 county equivalents. That is 111 people per square mile of land.

What is the county seat of Cheshire County?

The county seat of Cheshire County is Keene.

What cities and towns are in Cheshire County?

Cheshire County has 23 county subdivisions (cities, towns and townships). The most populous five are Keene city, Swanzey town, Rindge town, Jaffrey town, and Winchester town.

Is Cheshire County part of a metropolitan area?

Yes. It is a central county of the Keene, NH Micropolitan Statistical Area.

How many ZIP codes are in Cheshire County?

27 ZIP Code Tabulation Areas have land in Cheshire County, and 25 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Cheshire County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.5 times as much land.

How many acres of land are in Cheshire County?

The land measurement converts to approximately 452,304 acres. Including water, total area is approximately 466,528 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

Download the complete CSV or JSON dataset