Grafton County Demographics

A map of Grafton County's Population by Race

Grafton County, New Hampshire has an estimated population of 92,120, a slight increase from the 91,118 recorded in the 2020 Census. The population is 87.5% White, 4.4% Multiracial, 3.5% Asian, 2.9% Hispanic, 1.1% Black, and 0.6% Native American/Other. This demographic dot map shows the population of Grafton County, with one dot drawn for each person counted by the Census, color-coded by race.

Grafton has become more racially diverse since the 2020 Census. It is less diverse than New Hampshire overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Grafton County, that probability was 21.8% in 2020 and 23.0% in the most recent ACS estimates.

Grafton County is ranked the 5th most populous county in New Hampshire, out of 10 counties. Grafton County was ranked the 5th most populous county in the 2020 Census.

Grafton County's White Population

80,633 residents of Grafton County, or 87.5% of the population, identify as White. The share of White residents in Grafton County is comparable to the share in New Hampshire overall, where 86.9% of the population is White. Grafton County ranks 8th statewide in terms of White residents as a share of the population, out of 10 counties.

Since the 2020 Census, Grafton County's White population has remained roughly the same. White residents' share of Grafton County's population has decreased from 88.2% to 87.5%.

Grafton County is less White than neighboring Orange County (92.8% White), Belknap County (92.7% White), Caledonia County (91.9% White), Carroll County (94% White), and Merrimack County (90.1% White).

Grafton County's Black Population

996 residents of Grafton County, or 1.1% of the population, identify as Black. The share of Black residents in Grafton County is comparable to the share in New Hampshire overall, where 1.3% of the population is Black. Grafton County ranks 5th statewide in terms of Black residents as a share of the population, out of 10 counties.

Since the 2020 Census, Grafton County's Black population has grown by an estimated 27.2%. Black residents' share of Grafton County's population has remained roughly unchanged at 1.1%.

Grafton County is more Black than neighboring Orange County (0.3% Black), Belknap County (0.5% Black), Caledonia County (0.7% Black), and Carroll County (0.6% Black). Grafton County is less Black than neighboring Merrimack County (1.6% Black).

Grafton County's Asian Population

3,225 residents of Grafton County, or 3.5% of the population, identify as Asian. The share of Asian residents in Grafton County is comparable to the share in New Hampshire overall, where 2.6% of the population is Asian. Grafton County ranks 3rd statewide in terms of Asian residents as a share of the population, out of 10 counties.

Since the 2020 Census, Grafton County's Asian population has grown by an estimated 13.0%. Asian residents' share of Grafton County's population has remained roughly unchanged at 3.5%.

Grafton County is more Asian than neighboring Orange County (0.6% Asian), Belknap County (1.2% Asian), Caledonia County (0.4% Asian), Carroll County (0.8% Asian), and Merrimack County (1.5% Asian).

Grafton County's Hispanic Population

2,679 residents of Grafton County, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Grafton County is comparable to the share in New Hampshire overall, where 4.7% of the population is Hispanic. Grafton County ranks 4th statewide in terms of Hispanic residents as a share of the population, out of 10 counties.

Since the 2020 Census, Grafton County's Hispanic population has grown by an estimated 3.9%. Hispanic residents' share of Grafton County's population has remained roughly unchanged at 2.9%.

Grafton County is more Hispanic than neighboring Orange County (1.8% Hispanic), Belknap County (2.3% Hispanic), Caledonia County (2.2% Hispanic), Carroll County (1.8% Hispanic), and Merrimack County (2.7% Hispanic).

Grafton County's Native American/Other Population

530 residents of Grafton County, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Grafton County is comparable to the share in New Hampshire overall, where 0.5% of the population is Native American/Other. Grafton County ranks 4th statewide in terms of Native American/Other residents as a share of the population, out of 10 counties.

Since the 2020 Census, Grafton County's Native American/Other population has declined by an estimated 7.3%. Native American/Other residents' share of Grafton County's population has remained roughly unchanged at 0.6%.

Grafton County is more Native American/Other than neighboring Carroll County (0.4% Native American/Other), and Merrimack County (0.5% Native American/Other). Grafton County is less Native American/Other than neighboring Caledonia County (1% Native American/Other).

Grafton County's Multiracial Population

4,057 residents of Grafton County, or 4.4% of the population, identify as Multiracial. The share of Multiracial residents in Grafton County is comparable to the share in New Hampshire overall, where 4% of the population is Multiracial. Grafton County ranks 3rd statewide in terms of Multiracial residents as a share of the population, out of 10 counties.

Since the 2020 Census, Grafton County's Multiracial population has grown by an estimated 2.5%. Multiracial residents' share of Grafton County's population has remained roughly unchanged at 4.4%.

Grafton County is more Multiracial than neighboring Orange County (3.9% Multiracial), Belknap County (2.8% Multiracial), Caledonia County (3.7% Multiracial), Carroll County (2.4% Multiracial), and Merrimack County (3.6% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.