New Hampshire
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New Hampshire Population News Articles
Population Density
Historic & Projected Growth
Population by County
POPULATION DENSITY
People per square mile, 2010: 147.0
People per square mile, 2020: 153.8
HISTORIC & PROJECTED GROWTH 1790 TO 2040

Year |
Population |
1790 |
141885 |
1800 |
183858 |
1810 |
214460 |
1820 |
244161 |
1830 |
269328 |
1840 |
284574 |
1850 |
317976 |
1860 |
326,073 |
1870 |
318,300 |
1880 |
346,991 |
1890 |
376,530 |
1900 |
411,588 |
1910 |
430,572 |
1920 |
443,083 |
1930 |
465,293 |
1940 |
491,524 |
1950 |
533,242 |
1960 |
606,921 |
1970 |
737,681 |
1980 |
920,610 |
1990 |
1,109,252 |
2000 |
1,235,786 |
2010 |
1,316,470 |
2020 |
1,377,529 |
2030 |
*1,385,799 |
2040 |
*1,393,451 |
Sources: Census figures from U.S. Bureau of the Census & *Estimates from Weldon Cooper Center, Demographics Research Group
(The Census Bureau and Weldon Cooper Center have not yet provided updated State projections to reflect 2020 census numbers.)
Population by County
Census 2020 Population |
Census 2010 Population |
Change from 2020 |
Percent Change |
|
NEW HAMPSHIRE |
1,377,529 |
1,316,470 |
61,059 |
4.64% |
Belknap County |
63705 |
60,088 |
3,617 |
6.02% |
Carroll County |
50107 |
47,818 |
2,289 |
4.79% |
Cheshire County |
76458 |
77,117 |
-659 |
-0.85% |
Coos County |
31268 |
33,055 |
-1,787 |
-5.41% |
Grafton County |
91118 |
89,118 |
2,000 |
2.24% |
Hillsborough County |
422937 |
400,721 |
22,216 |
5.54% |
Merrimack County |
153808 |
146,445 |
7,363 |
5.03% |
Rockingham County |
314176 |
295,223 |
18,953 |
6.42% |
Strafford County |
130889 |
123,143 |
7,746 |
6.29% |
Sullivan County |
43063 |
43,742 |
-679 |
-1.55% |
SOURCE: U.S. Bureau of the Census
New Hampshire Population News Articles
Warming winters are shrinking crucial alpine growing season in New Hampshire’s Presidential Range – Feb 14, 2026
New Hampshire ends vehicle emissions testing contract, violating Clean Air Act – Feb 5, 2026
New Hampshire police agencies cooperating with ICE – Jan 30, 2026
New Hampshire ekes out another small population gain due to inmigration – Jan 30, 2026
NHPR Presents: Safe to Drink – Jan 29, 2026
Report Shows NH Building Homes at Fastest Pace in Nearly Two Decades – Jan 27, 2026
Nashua officials propose adding public bathrooms as homelessness has growing impact on businesses – Oct 10, 2025
Waiting for updates on PFAS remediation, Merrimack strives to keep contaminated dirt contained – Sept 29, 2025
To get ‘toxic stew’ out of state’s lakes, legislators eye new ways to fund cyanobacteria mitigation – Sept 24, 2025
New Hampshire experiences worst drought in 25 years – Sept 23, 2025
New Hampshire’s snowpack is shrinking. Researchers are still uncovering the scope of what it means. – Sept 17, 2025
What’s the connection between hotter, wetter summers in NH and climate change? – June 11, 2025
Four of New Hampshire’s 10 counties now deputized to work with ICE – June 9, 2025
Air quality alert issued in every New Hampshire county; In effect until Monday at 10 a.m. – June 9, 2025
Advocates say ski resort’s wastewater may contaminate Lake Sunapee. State regulators disagree. – June 3, 2025
These Are The Fastest-Growing Communities In New Hampshire, New Data Shows – May 27, 2025
Keene students present projects at NH Drinking Water Festival – May 15, 2025
Counties in New Hampshire where landslides pose the greatest threat – Dec 2, 2024
Counties with the worst droughts in New Hampshire – Nov 22, 2024
Bringing Climate into the Classroom: New Hampshire Students Push for Increased Climate Literacy – Nov 15, 2024
Climate change could affect fall colors. 30 years of data from N.H. might provide insights on how – Nov 7, 2024
New Hampshire Ranks 5th Best State in 2024 Drought Analysis – Sept 4, 2024
New Hampshire communities take steps to fight back against mosquito-borne illnesses – Aug 30, 2024
New Hampshire’s Population Increasing – Aug 21, 2024
Housing is a top issue for New Hampshire voters – June 21, 2024
New Hampshire’s population is increasing, especially in rural areas – June 19, 2024
Critics say industry has had outsized role in shaping New Hampshire’s new landfill regulations – June 13, 2024
Where refugees in New Hampshire are arriving from – June 10, 2024
New Hampshire rivers change in wake of recent floods, warming climate – June 5, 2024
NH asks US Supreme Court to block lawsuits against fossil fuel companies – May 28, 2024
NH among highest in country for housing need – October 18, 2023
Discover the Largest Cities in New Hampshire (By Population, Total Area, and Economic Impact) – October 10, 2023
NH Business: While millions of NH forest acres are protected, NH Forest Society Pres. says climate change is threat of our century – October 1, 2023
How undocumented immigrants in N.H. make a living without the right to drive – September 27, 2023
Culverts, climate change and the future of NH’s Seacoast – September 23, 2023
When it rained, it poured: 2023 was NH’s wettest summer yet – September 22, 2023
Flood watch issued for much of New Hampshire – July 10, 2023
New Hampshire Food Bank fights new, ‘disconcerting’ obstacles to food security – July 10, 2023
Population Gains Widespread in NH Due to Migration – June 22, 2023
How Safe Are NH’s Lakes, Beaches And Rivers For Swimming And Boating – June 13, 2023
Activists host ‘retirement party’ for New England’s last running coal plant, but its future is uncertain – June 12, 2023
Seeking a role in NH’s EV future – December 15, 2022
LCHIP Grants Enable The Nature Conservancy in New Hampshire to protect drinking water, wildlife resources in two Granite State communities. – December 14, 2022
New Hampshire lags behind other New England states in climate change preparedness – December 10, 2022
Portsmouth Naval Shipyard works to become more resilient as climate changes – November 30, 2022
New Hampshire farms get grants to prepare for climate change – November 21, 2022
Half of New Hampshire is in a moderate drought. Climate change could make that more common. – July 11, 2022
As climate warms, tick danger grows for New Hampshire moose population – June 29, 2022
University of New Hampshire research warns Granite State climate change already underway – June 29, 2022
Dartmouth study finds road salt is threatening lakes in our region – February 24, 2022
New Hampshire reaches $25M deal with Monsanto over PCBs – February 22, 2022
Statewide housing review starts with survey in New Hampshire – February 19, 2022
NEW HAMPSHIRE TOWN POLLUTED WITH PFAS HAS ELEVATED CANCER RATES – February 12, 2022
