Dover, NH Demographics

A map of Dover's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	28,448	27,783	85.3%	84.9%
Asian	1,596	1,793	4.8%	5.5%
Multiracial	1,518	1,420	4.5%	4.3%
Hispanic	1,168	1,047	3.5%	3.2%
Black	396	520	1.2%	1.6%
Native American/Other	238	178	0.7%	0.5%

Dover, New Hampshire has an estimated population of 33,364, a slight increase from the 32,741 recorded in the 2020 Census. The population is 85.3% White, 4.8% Asian, 4.5% Multiracial, 3.5% Hispanic, 1.2% Black, and 0.7% Native American/Other. This demographic dot map shows the population of Dover, with one dot drawn for each person counted by the Census, color-coded by race.

Dover has become slightly less racially diverse since the 2020 Census. It is more 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 Dover, that probability was 27.4% in 2020 and 26.7% in the most recent ACS estimates.

Dover is ranked the 4th most populous place in New Hampshire, out of 100 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Dover was ranked the 4th most populous place in the 2020 Census.

Dover's White Population

28,448 residents of Dover, or 85.3% of the population, identify as White. The share of White residents in Dover is comparable to the share in New Hampshire overall, where 86.9% of the population is White. Dover ranks 90th statewide in terms of White residents as a share of the population, out of 100 places.

Since the 2020 Census, Dover's White population has grown by an estimated 2.4%. White residents' share of Dover's population has remained roughly unchanged at 85.3%.

Dover is more White than neighboring Somersworth (83.2% White). Dover is less White than neighboring Durham (86.2% White), Berwick (91.2% White), South Berwick (90.6% White), and South Eliot (87.3% White).

Dover's Black Population

396 residents of Dover, or 1.2% of the population, identify as Black. The share of Black residents in Dover is comparable to the share in New Hampshire overall, where 1.3% of the population is Black. Dover ranks 15th statewide in terms of Black residents as a share of the population, out of 100 places.

Since the 2020 Census, Dover's Black population has declined by an estimated 23.8%. Black residents' share of Dover's population has remained roughly unchanged at 1.2%.

Dover is more Black than neighboring Durham (0.2% Black), Berwick (0% Black), South Berwick (0% Black), and South Eliot (1.1% Black). Dover is less Black than neighboring Somersworth (2.2% Black).

Dover's Asian Population

1,596 residents of Dover, or 4.8% of the population, identify as Asian. The share of Asian residents in Dover is slightly higher than in New Hampshire overall, where 2.6% of the population is Asian. Dover ranks 6th statewide in terms of Asian residents as a share of the population, out of 100 places.

Since the 2020 Census, Dover's Asian population has declined by an estimated 11.0%. Asian residents' share of Dover's population has decreased from 5.5% to 4.8%.

Dover is more Asian than neighboring Durham (4.5% Asian), Somersworth (2.6% Asian), Berwick (4.2% Asian), South Berwick (0.6% Asian), and South Eliot (0% Asian).

Dover's Hispanic Population

1,168 residents of Dover, or 3.5% of the population, identify as Hispanic. The share of Hispanic residents in Dover is comparable to the share in New Hampshire overall, where 4.7% of the population is Hispanic. Dover ranks 27th statewide in terms of Hispanic residents as a share of the population, out of 100 places.

Since the 2020 Census, Dover's Hispanic population has grown by an estimated 11.6%. Hispanic residents' share of Dover's population has remained roughly unchanged at 3.5%.

Dover is more Hispanic than neighboring Berwick (3.3% Hispanic), and South Berwick (2.7% Hispanic). Dover is less Hispanic than neighboring Durham (5.4% Hispanic), Somersworth (6% Hispanic), and South Eliot (6.1% Hispanic).

Dover's Native American/Other Population

238 residents of Dover, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Dover is comparable to the share in New Hampshire overall, where 0.5% of the population is Native American/Other. Dover ranks 51st statewide in terms of Native American/Other residents as a share of the population, out of 100 places.

Since the 2020 Census, Dover's Native American/Other population has grown by an estimated 33.7%. Native American/Other residents' share of Dover's population has remained roughly unchanged at 0.7%.

Dover is more Native American/Other than neighboring Durham (0.2% Native American/Other), Somersworth (0.3% Native American/Other), Berwick (0% Native American/Other), and South Berwick (0% Native American/Other). Dover is less Native American/Other than neighboring South Eliot (2.9% Native American/Other).

Dover's Multiracial Population

1,518 residents of Dover, or 4.5% of the population, identify as Multiracial. The share of Multiracial residents in Dover is comparable to the share in New Hampshire overall, where 4% of the population is Multiracial. Dover ranks 38th statewide in terms of Multiracial residents as a share of the population, out of 100 places.

Since the 2020 Census, Dover's Multiracial population has grown by an estimated 6.9%. Multiracial residents' share of Dover's population has remained roughly unchanged at 4.5%.

Dover is more Multiracial than neighboring Durham (3.5% Multiracial), Berwick (1.3% Multiracial), and South Eliot (2.6% Multiracial). Dover is less Multiracial than neighboring Somersworth (5.8% Multiracial), and South Berwick (6.1% 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.