Rochester, NH Demographics

A map of Rochester's Population by Race

Rochester, New Hampshire had a population of 32,492 in 2020. It was 89.3% White, 1.0% Black, 1.6% Asian, 3.1% Hispanic, 0.4% Native American/Other, and 4.6% Multiracial. This map presents the population of Rochester, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 100 places in New Hampshire, Rochester is the 5th most populous. 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).

Rochester's White Population

29,004 residents of Rochester identify as White, or 89.3%. This makes the White share of the population of Rochester roughly similar to the White share of the population of New Hampshire (87.2% White). Of the 100 places in New Hampshire, Rochester is ranked #69 in terms of White residents as a share of the population.

Rochester is more White than neighboring Somersworth (81.2% White), Milton (89% White), and Dover (84.9% White). Rochester is less White than neighboring Berwick (89.8% White), and Farmington (89.6% White).

Rochester's Black Population

327 residents of Rochester identify as Black, or 1.0%. This makes the Black share of the population of Rochester roughly similar to the Black share of the population of New Hampshire (1.4% Black). Of the 100 places in New Hampshire, Rochester is ranked #28 in terms of Black residents as a share of the population.

Rochester is more Black than neighboring Berwick (0.6% Black), and Farmington (0.9% Black). Rochester is less Black than neighboring Somersworth (1.7% Black), Milton (1.2% Black), and Dover (1.6% Black).

Rochester's Asian Population

518 residents of Rochester identify as Asian, or 1.6%. This makes the Asian share of the population of Rochester roughly similar to the Asian share of the population of New Hampshire (2.6% Asian). Of the 100 places in New Hampshire, Rochester is ranked #31 in terms of Asian residents as a share of the population.

Rochester is more Asian than neighboring Farmington (1% Asian). Rochester is less Asian than neighboring Somersworth (7.3% Asian), Milton (2% Asian), and Dover (5.5% Asian).

Rochester's Hispanic Population

1,016 residents of Rochester identify as Hispanic, or 3.1%. This makes the Hispanic share of the population of Rochester roughly similar to the Hispanic share of the population of New Hampshire (4.3% Hispanic). Of the 100 places in New Hampshire, Rochester is ranked #29 in terms of Hispanic residents as a share of the population.

Rochester is more Hispanic than neighboring Milton (1.5% Hispanic), Berwick (2.1% Hispanic), and Farmington (2.4% Hispanic). Rochester is less Hispanic than neighboring Somersworth (4.3% Hispanic), and Dover (3.2% Hispanic).

Rochester's Native American/Other Population

137 residents of Rochester identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.4%. This makes the Native American/Other share of the population of Rochester roughly similar to the Native American/Other share of the population of New Hampshire (0.6% Native American/Other). Of the 100 places in New Hampshire, Rochester is ranked #64 in terms of Native American/Other residents as a share of the population.

Rochester is less Native American/Other than neighboring Somersworth (0.8% Native American/Other), Milton (1% Native American/Other), Berwick (0.7% Native American/Other), Farmington (1% Native American/Other), and Dover (0.5% Native American/Other).

Rochester's Multiracial Population

1,490 residents of Rochester identify as Multiracial, or 4.6%. This makes the Multiracial share of the population of Rochester roughly similar to the Multiracial share of the population of New Hampshire (4% Multiracial). Of the 100 places in New Hampshire, Rochester is ranked #24 in terms of Multiracial residents as a share of the population.

Rochester is more Multiracial than neighboring Dover (4.3% Multiracial). Rochester is less Multiracial than neighboring Somersworth (4.7% Multiracial), Milton (5.2% Multiracial), Berwick (5.2% Multiracial), and Farmington (5.2% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.