Demographics of Grafton County, New Hampshire

Grafton County, New Hampshire had 93,225 people on July 1, 2025, by the Census Bureau’s estimate: +2,032 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Grafton County, in four figures

93,225
Population: July 1, 2025, Vintage 2025 estimate.; +2.2%
Change since July 2020: +2,032 people.; 44.1 ±0.4
Median age: ACS 2020–⁠2024.; $88,261 ±$2,868
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Grafton County, New Hampshire's population grew 2.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Grafton County, New Hampshire's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Grafton County, New Hampshire's population grew 2.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Grafton County, New Hampshire's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	91,193	100.0	100.0
2021	90,518	99.3	100.2
2022	92,918	101.9	100.7
2023	92,764	101.7	101.6
2024	92,993	102.0	102.5
2025	93,225	102.2	103.1

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Population of Grafton County, New Hampshire on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	91,193	+69	−54	+5	+103
2021	90,518	−675	−223	+157	−577
2022	92,918	+2,400	−294	+96	+2,382
2023	92,764	−154	−374	+192	+51
2024	92,993	+229	−384	+219	+402
2025	93,225	+232	−374	+124	+482

Age, 2020–2024

The median age is 44.1 ±0.4: for men 42.8 ±0.6 and for women 45.5 ±0.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Grafton County by age, ACS 2020–2024
Age	People	Share	New Hampshire	United States
Under 5	3,428 ±111	3.7% ±0.1	4.5% ±<0.1	5.6% ±<0.1
5 to 17	10,986 ±442	11.9% ±0.5	13.7% ±0.2	16.3% ±<0.1
18 to 24	11,293 ±632	12.3% ±0.7	8.7% ±0.2	9.1% ±<0.1
25 to 44	21,306 ±654	23.1% ±0.7	25.0% ±0.2	26.9% ±<0.1
45 to 64	23,963 ±685	26.0% ±0.7	27.9% ±0.2	24.8% ±<0.1
65 and over	21,144 ±780	23.0% ±0.8	20.1% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $88,261 ±$2,868, and income per person $52,790 ±$2,271, in 2024 dollars. The median is $99,031 ±$1,123 in New Hampshire and $80,734 ±$166 in the United States.

Households by income

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Households in Grafton County by income, ACS 2020–2024
Household income	Households	Share	New Hampshire	United States
Under $25,000	4,829 ±561	13.0% ±1.5	10.4% ±0.3	14.6% ±<0.1
$25,000 to $49,999	5,954 ±538	16.0% ±1.4	13.4% ±0.4	16.7% ±<0.1
$50,000 to $74,999	5,080 ±485	13.7% ±1.3	14.3% ±0.4	15.5% ±<0.1
$75,000 to $99,999	4,791 ±423	12.9% ±1.1	12.4% ±0.3	12.6% ±<0.1
$100,000 to $149,999	7,512 ±558	20.2% ±1.5	20.0% ±0.5	17.5% ±<0.1
$150,000 to $199,999	3,241 ±331	8.7% ±0.9	12.7% ±0.3	9.6% ±<0.1
$200,000 or more	5,700 ±490	15.4% ±1.3	16.8% ±0.4	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Grafton County by age, ACS 2020–2024
Age	Below poverty	Rate	New Hampshire	United States
All ages	8,841 ±993	10.4% ±1.2	7.2% ±0.3	12.5% ±0.1
Under 18	1,500 ±350	10.8% ±2.4	7.9% ±0.6	16.1% ±0.1
18 to 59	4,357 ±578	10.0% ±1.3	6.8% ±0.3	11.6% ±0.1
60 and over	2,984 ±470	10.7% ±1.7	7.7% ±0.4	11.0% ±<0.1

Housing, 2020–2024

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Housing in Grafton County, ACS 2020–2024
Measure	Grafton County	New Hampshire	United States
Housing units	51,920 ±178	648,472 ±247	143,775,355 ±10,234
Occupied	71.5% ±1.2	85.7% ±0.3	89.9% ±0.1
Vacant	28.5% ±1.2	14.3% ±0.3	10.1% ±0.1
Owner occupied	71.3% ±1.2	72.8% ±0.4	65.2% ±0.3
Renter occupied	28.7% ±1.6	27.2% ±0.4	34.8% ±0.1
Median home value	$344,500 ±$7,518	$402,500 ±$2,808	$332,700 ±$236
Median gross rent	$1,301 ±$70	$1,491 ±$15	$1,413 ±$2
Median year built	1981 ±1	1979 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Grafton County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	New Hampshire	United States
Hispanic or Latino	2,679 ±0	2.9% ±<0.1	4.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	80,633 ±438	87.5% ±0.5	86.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	996 ±214	1.1% ±0.2	1.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	3,225 ±239	3.5% ±0.3	2.6% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	38 to 154	< 0.1% to 0.2%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 38	0% to < 0.1%	< 0.1%	0.2% ±<0.1
Some other race alone, not Hispanic	416 ±179	0.5% ±0.2	0.4% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	4,057 ±557	4.4% ±0.6	4.0% ±0.2	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Grafton County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	New Hampshire	United States
Born in the state	38,980 ±1,209	42.3% ±1.3	40.8% ±0.4	57.3% ±<0.1
Born in another state	46,942 ±1,212	51.0% ±1.3	51.8% ±0.4	26.9% ±<0.1
Born a citizen outside the states	1,041 ±255	1.1% ±0.3	1.3% ±0.1	1.7% ±<0.1
Born abroad	5,157 ±503	5.6% ±0.5	6.1% ±0.2	14.1% ±<0.1
Naturalized citizens	2,873 ±393	3.1% ±0.4	3.7% ±0.1	7.4% ±<0.1
Not citizens	2,284 ±335	2.5% ±0.4	2.4% ±0.1	6.8% ±<0.1

Grafton County among the counties of New Hampshire

5th of 10 by population, July 2025. Every one is listed on the New Hampshire page.

Counties of New Hampshire near Grafton County in population, July 2025
County	July 2025	Change since 2020
Hillsborough County	433,415	+2.5%
Rockingham County	324,077	+3.0%
Merrimack County	158,078	+2.6%
Strafford County	135,043	+3.0%
Grafton County	93,225	+2.2%
Cheshire County	78,269	+2.3%
Belknap County	65,147	+2.1%
Carroll County	52,784	+5.0%
Sullivan County	43,961	+2.1%
Coos County	31,343	+0.3%

Elsewhere on the site

Rankings this appears in

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026