Population By Race and Ethnicity in Merrimack County, NH in 2021

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2021, the 154,591 population of Merrimack County, New Hampshire comprised of 3,956 people who identified as Hispanic (2.56%), and 150,635 people who identified as Non-Hispanic (97.44%).

Race: The White Alone population was the largest racial group in Merrimack County, New Hampshire with a population of 144,941 (93.76%); Asian Alone population was the second largest racial group with a population of 3,673 (2.38%); and Black or African American Alone was the third largest racial group with a population of 2,916 (1.89%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Merrimack County, New Hampshire in 2021, with a population of 141,677 (91.65%); the second largest ethnic group was Asian Alone - Non Hispanic with a population of 3,636 (2.35%); and the third largest ethnic group was White Alone - Hispanic with a population of 3,264 (2.11%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Merrimack, 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 Merrimack County, NH in 2021
Total Population:
Race in Merrimack County, NH in 2021
Total Population:
Ethnicity in Merrimack County, NH in 2021
Total Population:
Population By Race in Merrimack , NH in 2021
Race Population Percentage
Black or African American Alone 2,916 1.89%
White Alone 144,941 93.76%
American Indian and Alaska Native Alone 453 0.29%
Asian Alone 3,673 2.38%
Native Hawaiian And Pacific Islander Alone 61 0.04%
Two Or More Races 2,547 1.65%
Population By Ethnicity in Merrimack , NH in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 302 0.2%
White Alone - Hispanic 3,264 2.11%
American Indian and Alaska Native Alone - Hispanic 104 0.07%
Asian Alone - Hispanic 37 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 12 0.01%
Two Or More Races - Hispanic 237 0.15%
Black or African American Alone - Non Hispanic 2,614 1.69%
White Alone - Non Hispanic 141,677 91.65%
American Indian and Alaska Native Alone - Non Hispanic 349 0.23%
Asian Alone - Non Hispanic 3,636 2.35%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 49 0.03%
Two Or More Races - Non Hispanic 2,310 1.49%