Norfolk County Demographics

A map of Norfolk County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	501,825	512,421	68.7%	70.6%
Asian	90,340	88,240	12.4%	12.2%
Black	51,987	49,311	7.1%	6.8%
Hispanic	42,383	38,110	5.8%	5.2%
Multiracial	34,905	29,712	4.8%	4.1%
Native American/Other	8,642	8,187	1.2%	1.1%

Norfolk County, Massachusetts has an estimated population of 730,082, a less than 1% change from the 725,981 recorded in the 2020 Census. The population is 68.7% White, 12.4% Asian, 7.1% Black, 5.8% Hispanic, 4.8% Multiracial, and 1.2% Native American/Other. This demographic dot map shows the population of Norfolk County, with one dot drawn for each person counted by the Census, color-coded by race.

Norfolk has become more racially diverse since the 2020 Census. It is less diverse than Massachusetts overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Norfolk County, that probability was 47.8% in 2020 and 50.1% in the most recent ACS estimates.

Norfolk County is ranked the 5th most populous county in Massachusetts, out of 14 counties. Norfolk County was ranked the 5th most populous county in the 2020 Census.

Norfolk County's White Population

501,825 residents of Norfolk County, or 68.7% of the population, identify as White. The share of White residents in Norfolk County is slightly higher than in Massachusetts overall, where 66.6% of the population is White. Norfolk County ranks 9th statewide in terms of White residents as a share of the population, out of 14 counties.

Since the 2020 Census, Norfolk County's White population has declined by an estimated 2.1%. White residents' share of Norfolk County's population has decreased from 70.6% to 68.7%.

Norfolk County is more White than neighboring Suffolk County (43.6% White), and Middlesex County (65.1% White). Norfolk County is less White than neighboring Bristol County (75.3% White), Bristol County (88.3% White), and Plymouth County (76.1% White).

Norfolk County's Black Population

51,987 residents of Norfolk County, or 7.1% of the population, identify as Black. The share of Black residents in Norfolk County is comparable to the share in Massachusetts overall, where 6.4% of the population is Black. Norfolk County ranks 5th statewide in terms of Black residents as a share of the population, out of 14 counties.

Since the 2020 Census, Norfolk County's Black population has grown by an estimated 5.4%. Black residents' share of Norfolk County's population has remained roughly unchanged at 7.1%.

Norfolk County is more Black than neighboring Middlesex County (4.7% Black), Bristol County (4% Black), and Bristol County (1% Black). Norfolk County is less Black than neighboring Suffolk County (17.1% Black), and Plymouth County (7.8% Black).

Norfolk County's Asian Population

90,340 residents of Norfolk County, or 12.4% of the population, identify as Asian. The share of Asian residents in Norfolk County is higher than in Massachusetts overall, where 7.3% of the population is Asian. Norfolk County ranks 2nd statewide in terms of Asian residents as a share of the population, out of 14 counties.

Since the 2020 Census, Norfolk County's Asian population has grown by an estimated 2.4%. Asian residents' share of Norfolk County's population has remained roughly unchanged at 12.4%.

Norfolk County is more Asian than neighboring Suffolk County (9.2% Asian), Bristol County (2.4% Asian), Bristol County (2.6% Asian), and Plymouth County (1.7% Asian). Norfolk County is less Asian than neighboring Middlesex County (13.6% Asian).

Norfolk County's Hispanic Population

42,383 residents of Norfolk County, or 5.8% of the population, identify as Hispanic. The share of Hispanic residents in Norfolk County is lower than in Massachusetts overall, where 13.3% of the population is Hispanic. Norfolk County ranks 10th statewide in terms of Hispanic residents as a share of the population, out of 14 counties.

Since the 2020 Census, Norfolk County's Hispanic population has grown by an estimated 11.2%. Hispanic residents' share of Norfolk County's population has increased from 5.2% to 5.8%.

Norfolk County is more Hispanic than neighboring Bristol County (4.2% Hispanic), and Plymouth County (4.9% Hispanic). Norfolk County is less Hispanic than neighboring Suffolk County (23.2% Hispanic), Middlesex County (9.3% Hispanic), and Bristol County (10.2% Hispanic).

Norfolk County's Native American/Other Population

8,642 residents of Norfolk County, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Norfolk County is comparable to the share in Massachusetts overall, where 1.3% of the population is Native American/Other. Norfolk County ranks 9th statewide in terms of Native American/Other residents as a share of the population, out of 14 counties.

Since the 2020 Census, Norfolk County's Native American/Other population has grown by an estimated 5.6%. Native American/Other residents' share of Norfolk County's population has remained roughly unchanged at 1.2%.

Norfolk County is more Native American/Other than neighboring Bristol County (0.3% Native American/Other). Norfolk County is less Native American/Other than neighboring Middlesex County (1.5% Native American/Other), Bristol County (1.8% Native American/Other), and Plymouth County (2.8% Native American/Other).

Norfolk County's Multiracial Population

34,905 residents of Norfolk County, or 4.8% of the population, identify as Multiracial. The share of Multiracial residents in Norfolk County is comparable to the share in Massachusetts overall, where 5.1% of the population is Multiracial. Norfolk County ranks 12th statewide in terms of Multiracial residents as a share of the population, out of 14 counties.

Since the 2020 Census, Norfolk County's Multiracial population has grown by an estimated 17.5%. Multiracial residents' share of Norfolk County's population has increased from 4.1% to 4.8%.

Norfolk County is more Multiracial than neighboring Bristol County (3.7% Multiracial). Norfolk County is less Multiracial than neighboring Suffolk County (5.6% Multiracial), Middlesex County (5.8% Multiracial), Bristol County (6.2% Multiracial), and Plymouth County (6.8% 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.