State 33 · NH

New Hampshire county map

New Hampshire has 10 counties. Coos County is the largest by land at 1,795 square miles, and Hillsborough County is the most populous with 430,462 residents.

Population 2024
1,409,032
#41 of 51
Land area
8,954 sq mi
#44 of 51
Density
157.4 / sq mi
#22 of 51
Counties
10
Capital: Concord
N
Concord 43.21° N, 71.54° W

Map of all 10 counties in New Hampshire

Every county is labeled on Census 2024 boundaries. Download it as a PDF to print, a PNG, or an editable SVG. For blank, colored or city versions, see the printable New Hampshire map sheets.

BelknapCarrollCheshireCoosGraftonHillsboroughMerrimackRockinghamStraffordSullivanNew Hampshire county map. Online Map Tools (onlinemaptools.com), Census 2024 boundaries, free to reuse with credit.
10 units labeled. The orange dot marks the capital.

New Hampshire population and land area

New Hampshire had 1,409,032 residents in the Census Vintage 2024 estimates, the sum of its counties. That ranks 41st of the 50 states and DC. Its 8,954 square miles of land rank 44th. New Hampshire averages 157.4 people per square mile of land, 1.6 times the national figure of 96.3. By density it ranks 22nd.

Population, 2024
1,409,03241st of 51
Land area
8,954 sq mi44th of 51
Density
157.4 per sq mi22nd of 51
Number of counties
10
Capital
Concord43.207° N, 71.538° W
State FIPS code
33

New Hampshire counties by population, density and income

Each shape is shaded by quintile, darker for higher values. Switch the measure above the map. Select a shape to open that county's page. The pin marks the capital, Concord.

Coos County: 17Carroll County: 56Rockingham County: 464Merrimack County: 169Sullivan County: 82Belknap County: 162Strafford County: 365Cheshire County: 110Hillsborough County: 491Grafton County: 54
Density
  1. < 54
  2. 54+
  3. 82+
  4. 162+
  5. 365+
no data

Largest county in New Hampshire by land area

Coos County ranks first at 1,795 square miles and Strafford County last at 367 square miles. The top value is 4.9 times the bottom one.

  1. 01Coos County1,795
  2. 02Grafton County1,709
  3. 03Merrimack County933
  4. 04Carroll County932
  5. 05Hillsborough County877
  6. 06Cheshire County707
  7. 07Rockingham County695
  8. 08Sullivan County538
  9. 09Belknap County402
  10. 10Strafford County367

Most populous county in New Hampshire

Hillsborough County ranks first at 430,462 residents and Coos County last at 31,094 residents. The top value is 14 times the bottom one.

  1. 01Hillsborough County430,462
  2. 02Rockingham County322,433
  3. 03Merrimack County157,869
  4. 04Strafford County134,202
  5. 05Grafton County93,045
  6. 06Cheshire County78,078
  7. 07Belknap County65,257
  8. 08Carroll County52,580
  9. 09Sullivan County44,012
  10. 10Coos County31,094

Least populous county in New Hampshire

The smallest populations, fewest first. Estimates for small counties carry more uncertainty than those for large ones.

  1. 01Coos County31,094
  2. 02Sullivan County44,012
  3. 03Carroll County52,580
  4. 04Belknap County65,257
  5. 05Cheshire County78,078
Log scale, so small counties stay visible next to the largest.

Most densely populated county in New Hampshire

Hillsborough County ranks first at 491.1 people per square mile and Coos County last at 17.3 people per square mile. The top value is 28 times the bottom one.

  1. 01Hillsborough County491.1
  2. 02Rockingham County463.6
  3. 03Strafford County365.2
  4. 04Merrimack County169.2
  5. 05Belknap County162.4
  6. 06Cheshire County110.5
  7. 07Sullivan County81.8
  8. 08Carroll County56.4
  9. 09Grafton County54.5
  10. 10Coos County17.3
People per square mile of land, log scale.

Highest median household income in New Hampshire

Rockingham County ranks first at $109,660 and Coos County last at $59,592. The two are within a factor of 1.84.

  1. 01Rockingham County$109,660
  2. 02Hillsborough County$103,181
  3. 03Merrimack County$91,357
  4. 04Belknap County$91,333
  5. 05Strafford County$84,762
  6. 06Cheshire County$84,008
  7. 07Grafton County$81,537
  8. 08Carroll County$77,303
  9. 09Sullivan County$74,730
  10. 10Coos County$59,592

Towns and cities in New Hampshire

The Census Vintage 2024 subcounty estimates list 13 incorporated places in New Hampshire with 1,000 or more residents, holding 442,485 people together, or 31% of the state total. 13 of them have 5,000 or more. The northernmost is Berlin at 44.484° N and the southernmost is Nashua at 42.749° N. Among places of 5,000+, Lebanon grew fastest from July 2020 to July 2024, by 7.6%.

  1. 01Manchester116,386
  2. 02Nashua91,851
  3. 03Concord44,674
  4. 04Dover33,909
  5. 05Rochester33,598
  6. 06Keene23,036
  7. 07Portsmouth22,938
  8. 08Laconia17,310
  9. 09Lebanon15,389
  10. 10Claremont13,105
  11. 11Somersworth12,218
  12. 12Berlin9,248
Largest incorporated places, Vintage 2024 estimates.

Concord, the capital

100.0% of New Hampshire's place population, 442,485 of 442,485 people, lives in places within 100 miles of Concord. That ranks 5th of 51 for how central the capital is.

See all states in the capital radius ranking and the most remote towns ranking. Sunrise and sunset times for Concord, month by month, are on the Concord daylight page.

States bordering New Hampshire

New Hampshire borders 3 states or districts. The nearest neighboring capital is Boston, 63 miles SSE of Concord in a straight line.

UTM zones in New Hampshire

The internal points of New Hampshire's counties fall in UTM zones 18, 19. Zones are 6 degrees of longitude wide, numbered from 180° W: zone = floor((longitude + 180) / 6) + 1. Because New Hampshire spans 2 zones, no single UTM zone covers the whole state.

All 10 counties in New Hampshire

Sort by any column. The small orange number marks the top 3 in the state by population.

FIPS
33011Hillsborough County430,462#1877491.1$103,181
33015Rockingham County322,433#2695463.6$109,660
33013Merrimack County157,869#3933169.2$91,357
33017Strafford County134,202367365.2$84,762
33009Grafton County93,0451,70954.5$81,537
33005Cheshire County78,078707110.5$84,008
33001Belknap County65,257402162.4$91,333
33003Carroll County52,58093256.4$77,303
33019Sullivan County44,01253881.8$74,730
33007Coos County31,0941,79517.3$59,592

Download all 10 counties as CSV

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 Gazetteer, places
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.