Hamilton Square, NJ Demographics

A map of Hamilton Square's Population by Race

Hamilton Square, New Jersey has an estimated population of 11,622, a decrease from the 12,679 recorded in the 2020 Census. The population is 80.0% White, 9.4% Hispanic, 5.0% Asian, 3.3% Black, 2.2% Multiracial, and 0.0% Native American/Other. This demographic dot map shows the population of Hamilton Square, with one dot drawn for each person counted by the Census, color-coded by race.

Hamilton Square 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 Hamilton Square, that probability was 28.9% in 2020 and 34.8% in the most recent ACS estimates.

Hamilton Square is ranked the 122nd 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). Hamilton Square was ranked the 107th most populous place in the 2020 Census.

Hamilton Square's White Population

9,292 residents of Hamilton Square, or 80.0% of the population, identify as White. The share of White residents in Hamilton Square is significantly higher than in New Jersey overall, where 50.9% of the population is White. Hamilton Square ranks 199th statewide in terms of White residents as a share of the population, out of 700 places.

Since the 2020 Census, Hamilton Square's White population has declined by an estimated 12.6%. White residents' share of Hamilton Square's population has decreased from 83.9% to 80.0%.

Hamilton Square is more White than neighboring Robbinsville Center (45.8% White), Mercerville (70.6% White), Yardville (73% White), and White Horse (66% White). Hamilton Square is less White than neighboring Groveville (92.4% White).

Hamilton Square's Black Population

389 residents of Hamilton Square, or 3.3% of the population, identify as Black. The share of Black residents in Hamilton Square is lower than in New Jersey overall, where 12.2% of the population is Black. Hamilton Square ranks 394th statewide in terms of Black residents as a share of the population, out of 700 places.

Since the 2020 Census, Hamilton Square's Black population has grown by an estimated 22.3%. Black residents' share of Hamilton Square's population has increased from 2.5% to 3.3%.

Hamilton Square is more Black than neighboring Robbinsville Center (3.1% Black), and Groveville (0.3% Black). Hamilton Square is less Black than neighboring Mercerville (6.4% Black), Yardville (3.6% Black), and White Horse (7.4% Black).

Hamilton Square's Asian Population

586 residents of Hamilton Square, or 5.0% of the population, identify as Asian. The share of Asian residents in Hamilton Square is slightly lower than in New Jersey overall, where 10% of the population is Asian. Hamilton Square ranks 324th statewide in terms of Asian residents as a share of the population, out of 700 places.

Since the 2020 Census, Hamilton Square's Asian population has grown by an estimated 22.3%. Asian residents' share of Hamilton Square's population has increased from 3.8% to 5.0%.

Hamilton Square is more Asian than neighboring Mercerville (4.2% Asian), Yardville (2.2% Asian), Groveville (0% Asian), and White Horse (1.4% Asian). Hamilton Square is less Asian than neighboring Robbinsville Center (34.1% Asian).

Hamilton Square's Hispanic Population

1,091 residents of Hamilton Square, or 9.4% of the population, identify as Hispanic. The share of Hispanic residents in Hamilton Square is considerably lower than in New Jersey overall, where 22.5% of the population is Hispanic. Hamilton Square ranks 454th statewide in terms of Hispanic residents as a share of the population, out of 700 places.

Since the 2020 Census, Hamilton Square's Hispanic population has grown by an estimated 21.4%. Hispanic residents' share of Hamilton Square's population has increased from 7.1% to 9.4%.

Hamilton Square is more Hispanic than neighboring Groveville (5.9% Hispanic). Hamilton Square is less Hispanic than neighboring Robbinsville Center (10.5% Hispanic), Mercerville (16.4% Hispanic), Yardville (12.2% Hispanic), and White Horse (23.5% Hispanic).

Hamilton Square's Native American/Other Population

5 residents of Hamilton Square, 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 Hamilton Square is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Hamilton Square ranks 579th statewide in terms of Native American/Other residents as a share of the population, out of 700 places.

Since the 2020 Census, Hamilton Square's Native American/Other population has declined by an estimated 85.7%. Native American/Other residents' share of Hamilton Square's population has remained roughly unchanged at 0.0%.

Hamilton Square is less Native American/Other than neighboring Robbinsville Center (0.7% Native American/Other), Mercerville (0.3% Native American/Other), and Yardville (0.5% Native American/Other).

Hamilton Square's Multiracial Population

259 residents of Hamilton Square, or 2.2% of the population, identify as Multiracial. The share of Multiracial residents in Hamilton Square is comparable to the share in New Jersey overall, where 3.5% of the population is Multiracial. Hamilton Square ranks 506th statewide in terms of Multiracial residents as a share of the population, out of 700 places.

Since the 2020 Census, Hamilton Square's Multiracial population has declined by an estimated 18.0%. Multiracial residents' share of Hamilton Square's population has remained roughly unchanged at 2.2%.

Hamilton Square is more Multiracial than neighboring Mercerville (2.1% Multiracial), Groveville (1.5% Multiracial), and White Horse (1.7% Multiracial). Hamilton Square is less Multiracial than neighboring Robbinsville Center (5.7% Multiracial), and Yardville (8.3% 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.