Population By Race and Ethnicity in Hillsborough County, NH in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 422,913 population of Hillsborough County, New Hampshire comprised of 33,748 people who identified as Hispanic (7.98%), and 389,165 people who identified as Non-Hispanic (92.02%).

Race: The White Alone population was the largest racial group in Hillsborough County, New Hampshire with a population of 378,640 (89.53%); Asian Alone population was the second largest racial group with a population of 19,270 (4.56%); and Black or African American Alone was the third largest racial group with a population of 14,326 (3.39%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Hillsborough County, New Hampshire in 2020, with a population of 350,374 (82.85%); the second largest ethnic group was White Alone - Hispanic with a population of 28,266 (6.68%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 19,022 (4.5%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Hillsborough, New Hampshire.

You can find similar information for other New Hampshire counties, and for New Hampshire.

See this for other years:
Hispanics and Non Hispanics in Hillsborough County, NH in 2020
Total Population:
Race in Hillsborough County, NH in 2020
Total Population:
Ethnicity in Hillsborough County, NH in 2020
Total Population:
Population By Race in Hillsborough , NH in 2020
Race Population Percentage
Black or African American Alone 14,326 3.39%
White Alone 378,640 89.53%
American Indian and Alaska Native Alone 1,372 0.32%
Asian Alone 19,270 4.56%
Native Hawaiian And Pacific Islander Alone 305 0.07%
Two Or More Races 9,000 2.13%
Population By Ethnicity in Hillsborough , NH in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 3,189 0.75%
White Alone - Hispanic 28,266 6.68%
American Indian and Alaska Native Alone - Hispanic 632 0.15%
Asian Alone - Hispanic 248 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 193 0.05%
Two Or More Races - Hispanic 1,220 0.29%
Black or African American Alone - Non Hispanic 11,137 2.63%
White Alone - Non Hispanic 350,374 82.85%
American Indian and Alaska Native Alone - Non Hispanic 740 0.18%
Asian Alone - Non Hispanic 19,022 4.5%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 112 0.03%
Two Or More Races - Non Hispanic 7,780 1.84%