Blackwells Mills, NJ Demographics

A map of Blackwells Mills's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	5,537	5,720	53.8%	60.4%
Asian	3,064	2,726	29.7%	28.8%
Multiracial	674	286	6.5%	3.0%
Hispanic	565	440	5.5%	4.6%
Black	456	264	4.4%	2.8%
Native American/Other	5	37	0.0%	0.4%

Blackwells Mills, New Jersey has an estimated population of 10,301, an increase from the 9,473 recorded in the 2020 Census. The population is 53.8% White, 29.7% Asian, 6.5% Multiracial, 5.5% Hispanic, 4.4% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Blackwells Mills, with one dot drawn for each person counted by the Census, color-coded by race.

Blackwells Mills has become considerably more racially diverse since the 2020 Census. It is considerably less diverse than New Jersey overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Blackwells Mills, that probability was 54.9% in 2020 and 61.3% in the most recent ACS estimates.

Blackwells Mills is ranked the 149th most populous place in New Jersey, out of 700 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). Blackwells Mills was ranked the 167th most populous place in the 2020 Census.

Blackwells Mills's White Population

5,537 residents of Blackwells Mills, or 53.8% of the population, identify as White. The share of White residents in Blackwells Mills is slightly higher than in New Jersey overall, where 50.9% of the population is White. Blackwells Mills ranks 499th statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Blackwells Mills's White population has declined by an estimated 3.2%. White residents' share of Blackwells Mills's population has decreased from 60.4% to 53.8%.

Blackwells Mills is more White than neighboring Pleasant Plains (40% White). Blackwells Mills is less White than neighboring Millstone (61.5% White), Griggstown (85.2% White), East Millstone (65% White), and Weston (56% White).

Blackwells Mills's Black Population

456 residents of Blackwells Mills, or 4.4% of the population, identify as Black. The share of Black residents in Blackwells Mills is lower than in New Jersey overall, where 12.2% of the population is Black. Blackwells Mills ranks 372nd statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Blackwells Mills's Black population has grown by an estimated 72.7%. Black residents' share of Blackwells Mills's population has increased from 2.8% to 4.4%.

Blackwells Mills is more Black than neighboring Millstone (2.9% Black), and Griggstown (2.2% Black). Blackwells Mills is less Black than neighboring Pleasant Plains (24.4% Black), East Millstone (26.6% Black), and Weston (5.2% Black).

Blackwells Mills's Asian Population

3,064 residents of Blackwells Mills, or 29.7% of the population, identify as Asian. The share of Asian residents in Blackwells Mills is significantly higher than in New Jersey overall, where 10% of the population is Asian. Blackwells Mills ranks 40th statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Blackwells Mills's Asian population has grown by an estimated 12.4%. Asian residents' share of Blackwells Mills's population has increased from 28.8% to 29.7%.

Blackwells Mills is more Asian than neighboring Millstone (1.7% Asian), Griggstown (6.4% Asian), and East Millstone (0% Asian). Blackwells Mills is less Asian than neighboring Pleasant Plains (30.8% Asian), and Weston (37.7% Asian).

Blackwells Mills's Hispanic Population

565 residents of Blackwells Mills, or 5.5% of the population, identify as Hispanic. The share of Hispanic residents in Blackwells Mills is significantly lower than in New Jersey overall, where 22.5% of the population is Hispanic. Blackwells Mills ranks 590th statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Blackwells Mills's Hispanic population has grown by an estimated 28.4%. Hispanic residents' share of Blackwells Mills's population has increased from 4.6% to 5.5%.

Blackwells Mills is more Hispanic than neighboring Griggstown (0% Hispanic), Pleasant Plains (2.6% Hispanic), and Weston (0% Hispanic). Blackwells Mills is less Hispanic than neighboring Millstone (26.7% Hispanic), and East Millstone (7% Hispanic).

Blackwells Mills's Native American/Other Population

5 residents of Blackwells Mills, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Blackwells Mills is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Blackwells Mills ranks 513th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Blackwells Mills's Native American/Other population has declined by an estimated 86.5%. Native American/Other residents' share of Blackwells Mills's population has remained roughly unchanged at 0.0%.

Blackwells Mills is less Native American/Other than neighboring Millstone (0.8% Native American/Other), Pleasant Plains (2.4% Native American/Other), and Weston (0.8% Native American/Other).

Blackwells Mills's Multiracial Population

674 residents of Blackwells Mills, or 6.5% of the population, identify as Multiracial. The share of Multiracial residents in Blackwells Mills is slightly higher than in New Jersey overall, where 3.5% of the population is Multiracial. Blackwells Mills ranks 382nd statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Blackwells Mills's Multiracial population has grown by an estimated 135.7%. Multiracial residents' share of Blackwells Mills's population has increased from 3.0% to 6.5%.

Blackwells Mills is more Multiracial than neighboring Millstone (6.4% Multiracial), Griggstown (6.2% Multiracial), Pleasant Plains (0% Multiracial), East Millstone (1.3% Multiracial), and Weston (0.3% 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.