Summit, NJ Demographics

A map of Summit's Population by Race

Summit, New Jersey has an estimated population of 22,705, a less than 1% change from the 22,719 recorded in the 2020 Census. The population is 67.1% White, 13.1% Hispanic, 7.3% Asian, 5.9% Black, 5.3% Multiracial, and 1.4% Native American/Other. This demographic dot map shows the population of Summit, with one dot drawn for each person counted by the Census, color-coded by race.

Summit has become slightly less 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 Summit, that probability was 52.8% in 2020 and 52.1% in the most recent ACS estimates.

Summit is ranked the 47th 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). Summit was ranked the 48th most populous place in the 2020 Census.

Summit's White Population

15,229 residents of Summit, or 67.1% of the population, identify as White. The share of White residents in Summit is significantly higher than in New Jersey overall, where 50.9% of the population is White. Summit ranks 458th statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Summit's White population has grown by an estimated 1.4%. White residents' share of Summit's population has increased from 66.1% to 67.1%.

Summit is more White than neighboring Short Hills (50.2% White), and Springfield (20.9% White). Summit is less White than neighboring Chatham (78.4% White), Mountainside (71.3% White), and New Providence (67.9% White).

Summit's Black Population

1,342 residents of Summit, or 5.9% of the population, identify as Black. The share of Black residents in Summit is lower than in New Jersey overall, where 12.2% of the population is Black. Summit ranks 286th statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Summit's Black population has grown by an estimated 49.9%. Black residents' share of Summit's population has increased from 3.9% to 5.9%.

Summit is more Black than neighboring Chatham (0.6% Black), Mountainside (2.2% Black), New Providence (1.8% Black), and Short Hills (1.4% Black). Summit is less Black than neighboring Springfield (7.9% Black).

Summit's Asian Population

1,649 residents of Summit, or 7.3% of the population, identify as Asian. The share of Asian residents in Summit is slightly lower than in New Jersey overall, where 10% of the population is Asian. Summit ranks 133rd statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Summit's Asian population has declined by an estimated 30.5%. Asian residents' share of Summit's population has decreased from 10.4% to 7.3%.

Summit is less Asian than neighboring Chatham (11.6% Asian), Mountainside (11.4% Asian), New Providence (14.8% Asian), Short Hills (40.3% Asian), and Springfield (38.9% Asian).

Summit's Hispanic Population

2,978 residents of Summit, or 13.1% of the population, identify as Hispanic. The share of Hispanic residents in Summit is lower than in New Jersey overall, where 22.5% of the population is Hispanic. Summit ranks 198th statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Summit's Hispanic population has declined by an estimated 10.1%. Hispanic residents' share of Summit's population has decreased from 14.6% to 13.1%.

Summit is more Hispanic than neighboring Chatham (5.4% Hispanic), New Providence (8.8% Hispanic), and Short Hills (4.3% Hispanic). Summit is less Hispanic than neighboring Mountainside (13.2% Hispanic), and Springfield (32.4% Hispanic).

Summit's Native American/Other Population

310 residents of Summit, or 1.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Summit is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Summit ranks 311th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Summit's Native American/Other population has grown by an estimated 123.0%. Native American/Other residents' share of Summit's population has increased from 0.6% to 1.4%.

Summit is more Native American/Other than neighboring Chatham (0.8% Native American/Other), Mountainside (0.1% Native American/Other), New Providence (0.3% Native American/Other), Short Hills (0.6% Native American/Other), and Springfield (0% Native American/Other).

Summit's Multiracial Population

1,197 residents of Summit, or 5.3% of the population, identify as Multiracial. The share of Multiracial residents in Summit is comparable to the share in New Jersey overall, where 3.5% of the population is Multiracial. Summit ranks 131st statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Summit's Multiracial population has grown by an estimated 21.5%. Multiracial residents' share of Summit's population has increased from 4.3% to 5.3%.

Summit is more Multiracial than neighboring Chatham (3.2% Multiracial), Mountainside (1.8% Multiracial), Short Hills (3.1% Multiracial), and Springfield (0% Multiracial). Summit is less Multiracial than neighboring New Providence (6.4% 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.