Grafton County, New Hampshire Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 5th-largest in New Hampshire
The population of Grafton County, New Hampshire is 91,759 as of the 2023 American Community Survey, making it the 5th-largest county in New Hampshire. The median household income is $84,021, the median home value is $298,500, and the median age is 44.0.
The population of Grafton County has grown 4.4% since 2010 (89,133 → 93,045), a +0.31% annualized rate.
91,759
Population
+0.31%
Annual growth
54
People / sq mi
$84,021
Median Income
$298,500
Median Home Value
Grafton County covers 1,709 sq mi of land at 53.7 people per square mile.
About Grafton County, NH
Grafton County is defined demographically by education — 44.8% of adults hold a bachelor’s degree, above the national average. With 91,759 residents, Grafton County is a county in New Hampshire. It is the #5-largest of all counties in New Hampshire nationally.
The typical household earns $84,021 a year, above the US median of $78,538. Poverty is relatively low for US counties at 5.9%, below the national 12.4%. Home values run above average at $298,500, with typical rent around $1,292.
The population is unusually well-credentialed for US counties — 44.8% of adults have a four-year degree, above the national 35.0%. Working from home is common here: 15.0% of workers do so, above the national 14.0%, and the average commute runs about 23 minutes each way.
The education numbers are the throughline: a college-heavy population in Grafton County usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Grafton County Population History (2010-2024)
The county of Grafton County had a population of 89,133 in 2010 and 93,045 in 2024, a 4.4% growth over 14 years. The peak was 93,045 in 2024. Average annual growth rate: 0.31%.
93,045
Population (2024)
89,133
Population (2010)
93,045
Peak (2024)
0.31%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 89,133 |
| 2011 | 89,304 |
| 2012 | 89,673 |
| 2013 | 89,975 |
| 2014 | 90,041 |
| 2015 | 89,566 |
| 2016 | 90,212 |
| 2017 | 90,176 |
| 2018 | 90,206 |
| 2019 | 90,369 |
| 2020 | 91,197 |
| 2021 | 90,508 |
| 2022 | 92,943 |
| 2023 | 92,909 |
| 2024 | 93,045 |
Race & Ethnicity
| White | 88.9% |
| Black or African American | 1.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
44.0
Median Age
50.4%
Female
49.6%
Male
22.5%
Age 65+
Age Distribution
Children (under 15): 12.9% · Seniors (65+): 22.5%
Income & Poverty
| Median household income | $84,021$-11,607 vs state |
| Mean household income | $118,425 |
| Per-capita income | $49,835 |
| Poverty rate | 5.9%+1.5% vs state |
| Unemployment rate | 1.8% |
| Employment-to-population | 58.3% |
Top Industries by Employment
The largest employment sector in Grafton County is professional & business services, accounting for 34.1% of workers.
How residents commute
0.6%
Drive alone
4.9%
Carpool
68.2%
Public transit
15.0%
Work from home
22.8 min
Avg commute
Housing
$298,500$-68,700 vs state
Median home value
$1,292
Median rent
71.0%
Homeownership rate
51,478
Total housing units
70.1%
Occupied
29.9%
Vacant
29.0%
Renter-occupied
Social & access
94.0%
With health insurance
93.7%
With broadband internet
50.4%
Foreign-born
7.5%
Veterans (18+)
13.6%
With a disability
92.8%
Speak language other than English at home
Education
93.9%
High School+
44.8%
Bachelor's+
Largest cities in New Hampshire
Other counties in New Hampshire
Part of New Hampshire
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County rankings
Frequently Asked Questions
Grafton County, New Hampshire has a population of 91,759 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 5th-largest county in New Hampshire. Population density is 54 people per square mile.
The population of Grafton County has grown 4.4% since 2010 (89,133 → 93,045), a +0.31% annualized rate.
The median household income in Grafton County, New Hampshire is $84,021, with mean (average) household income of $118,425 and per-capita income of $49,835. 5.9% of residents live below the federal poverty level.
In Grafton County, the largest racial and ethnic groups are White (88.9%), Black or African American (1.3%), Hispanic or Latino (1.2%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Grafton County, New Hampshire is 44.0 years. Residents are 50.4% female and 49.6% male.
The median home value in Grafton County is $298,500 and median monthly rent is $1,292. 71.0% of occupied housing units are owner-occupied. The county has 51,478 total housing units, 29.9% of which are vacant.
The largest employment sector in Grafton County, New Hampshire is professional, scientific, and management services, employing 34.1% of workers. The unemployment rate is 1.8%.
Manchester is among the largest cities associated with Grafton County, New Hampshire, with a population of 115,415.
Grafton County, NH Climate
Grafton County, NH has an average annual temperature of 5.6°C (42°F) and receives about 1057 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
5.6°C
Avg Temp
1057
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -9° / 16° | 69 mm |
| February | -7° / 19° | 66 mm |
| March | -2° / 29° | 75 mm |
| April | 5° / 40° | 80 mm |
| May | 12° / 53° | 96 mm |
| June | 16° / 61° | 100 mm |
| July | 19° / 66° | 98 mm |
| August | 18° / 64° | 110 mm |
| September | 13° / 56° | 87 mm |
| October | 7° / 45° | 90 mm |
| November | 1° / 34° | 99 mm |
| December | -6° / 22° | 87 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Grafton County, NH
The most comfortable months to visit Grafton County, NH are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 26°C high). The coldest is January (near -15°C low). August is usually the wettest month.
Where to stay near Grafton County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.