Strafford County Demographics

A map of Strafford County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	116,178	114,599	87.6%	87.6%
Multiracial	6,387	5,773	4.8%	4.4%
Hispanic	4,248	3,914	3.2%	3.0%
Asian	3,598	4,473	2.7%	3.4%
Black	1,520	1,434	1.1%	1.1%
Native American/Other	644	696	0.5%	0.5%

Strafford County, New Hampshire has an estimated population of 132,575, a slight increase from the 130,889 recorded in the 2020 Census. The population is 87.6% White, 4.8% Multiracial, 3.2% Hispanic, 2.7% Asian, 1.1% Black, and 0.5% Native American/Other. This demographic dot map shows the population of Strafford County, with one dot drawn for each person counted by the Census, color-coded by race.

Strafford is about as racially diverse as it was in 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 Strafford County, that probability was 22.9% in 2020 and 22.8% in the most recent ACS estimates.

Strafford County is ranked the 4th most populous county in New Hampshire, out of 10 counties. Strafford County was ranked the 4th most populous county in the 2020 Census.

Strafford County's White Population

116,178 residents of Strafford County, or 87.6% of the population, identify as White. The share of White residents in Strafford County is comparable to the share in New Hampshire overall, where 86.9% of the population is White. Strafford County ranks 9th statewide in terms of White residents as a share of the population, out of 10 counties.

Since the 2020 Census, Strafford County's White population has grown by an estimated 1.4%. White residents' share of Strafford County's population has remained roughly unchanged at 87.6%.

Strafford County is less White than neighboring Rockingham County (89.5% White), York County (90.1% White), Belknap County (92.7% White), Carroll County (94% White), and Merrimack County (90.1% White).

Strafford County's Black Population

1,520 residents of Strafford County, or 1.1% of the population, identify as Black. The share of Black residents in Strafford County is comparable to the share in New Hampshire overall, where 1.3% of the population is Black. Strafford County ranks 4th statewide in terms of Black residents as a share of the population, out of 10 counties.

Since the 2020 Census, Strafford County's Black population has grown by an estimated 6.0%. Black residents' share of Strafford County's population has remained roughly unchanged at 1.1%.

Strafford County is more Black than neighboring Rockingham County (0.7% Black), Belknap County (0.5% Black), and Carroll County (0.6% Black). Strafford County is less Black than neighboring Merrimack County (1.6% Black).

Strafford County's Asian Population

3,598 residents of Strafford County, or 2.7% of the population, identify as Asian. The share of Asian residents in Strafford County is comparable to the share in New Hampshire overall, where 2.6% of the population is Asian. Strafford County ranks 2nd statewide in terms of Asian residents as a share of the population, out of 10 counties.

Since the 2020 Census, Strafford County's Asian population has declined by an estimated 19.6%. Asian residents' share of Strafford County's population has decreased from 3.4% to 2.7%.

Strafford County is more Asian than neighboring Rockingham County (1.9% Asian), York County (1.1% Asian), Belknap County (1.2% Asian), Carroll County (0.8% Asian), and Merrimack County (1.5% Asian).

Strafford County's Hispanic Population

4,248 residents of Strafford County, or 3.2% of the population, identify as Hispanic. The share of Hispanic residents in Strafford County is comparable to the share in New Hampshire overall, where 4.7% of the population is Hispanic. Strafford County ranks 3rd statewide in terms of Hispanic residents as a share of the population, out of 10 counties.

Since the 2020 Census, Strafford County's Hispanic population has grown by an estimated 8.5%. Hispanic residents' share of Strafford County's population has remained roughly unchanged at 3.2%.

Strafford County is more Hispanic than neighboring York County (2.2% Hispanic), Belknap County (2.3% Hispanic), Carroll County (1.8% Hispanic), and Merrimack County (2.7% Hispanic). Strafford County is less Hispanic than neighboring Rockingham County (3.7% Hispanic).

Strafford County's Native American/Other Population

644 residents of Strafford County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Strafford County is comparable to the share in New Hampshire overall, where 0.5% of the population is Native American/Other. Strafford County ranks 7th statewide in terms of Native American/Other residents as a share of the population, out of 10 counties.

Since the 2020 Census, Strafford County's Native American/Other population has declined by an estimated 7.5%. Native American/Other residents' share of Strafford County's population has remained roughly unchanged at 0.5%.

Strafford County is more Native American/Other than neighboring Carroll County (0.4% Native American/Other). Strafford County is less Native American/Other than neighboring Rockingham County (0.6% Native American/Other), York County (0.6% Native American/Other), and Belknap County (0.6% Native American/Other).

Strafford County's Multiracial Population

6,387 residents of Strafford County, or 4.8% of the population, identify as Multiracial. The share of Multiracial residents in Strafford County is comparable to the share in New Hampshire overall, where 4% of the population is Multiracial. Strafford County ranks 2nd statewide in terms of Multiracial residents as a share of the population, out of 10 counties.

Since the 2020 Census, Strafford County's Multiracial population has grown by an estimated 10.6%. Multiracial residents' share of Strafford County's population has remained roughly unchanged at 4.8%.

Strafford County is more Multiracial than neighboring Rockingham County (3.6% Multiracial), Belknap County (2.8% Multiracial), Carroll County (2.4% Multiracial), and Merrimack County (3.6% Multiracial). Strafford County is less Multiracial than neighboring York County (4.9% 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.