Hamilton, IL Demographics

A map of Hamilton's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,549	2,558	93.9%	92.9%
Hispanic	58	53	2.1%	1.9%
Black	55	25	2.0%	0.9%
Multiracial	35	85	1.3%	3.1%
Asian	17	17	0.6%	0.6%
Native American/Other	0	15	0.0%	0.5%

Hamilton, Illinois has an estimated population of 2,714, a slight decrease from the 2,753 recorded in the 2020 Census. The population is 93.9% White, 2.1% Hispanic, 2.0% Black, 1.3% Multiracial, 0.6% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Hamilton, with one dot drawn for each person counted by the Census, color-coded by race.

Hamilton has become less racially diverse since the 2020 Census. It is considerably less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Hamilton, that probability was 13.5% in 2020 and 11.7% in the most recent ACS estimates.

Hamilton is ranked the 446th most populous place in Illinois, out of 1,461 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 was ranked the 446th most populous place in the 2020 Census.

Hamilton's White Population

2,549 residents of Hamilton, or 93.9% of the population, identify as White. The share of White residents in Hamilton is significantly higher than in Illinois overall, where 58.1% of the population is White. Hamilton ranks 489th statewide in terms of White residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hamilton's White population has remained roughly the same. White residents' share of Hamilton's population has increased from 92.9% to 93.9%.

Hamilton is more White than neighboring Keokuk (86.2% White), and Alexandria (62.1% White). Hamilton is less White than neighboring Sandusky (96.3% White), Warsaw (96.5% White), and Mooar (95.8% White).

Hamilton's Black Population

55 residents of Hamilton, or 2.0% of the population, identify as Black. The share of Black residents in Hamilton is considerably lower than in Illinois overall, where 13.3% of the population is Black. Hamilton ranks 613th statewide in terms of Black residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hamilton's Black population has grown by an estimated 120.0%. Black residents' share of Hamilton's population has increased from 0.9% to 2.0%.

Hamilton is more Black than neighboring Sandusky (0% Black), Warsaw (0.2% Black), and Mooar (0% Black). Hamilton is less Black than neighboring Keokuk (3.2% Black), and Alexandria (37.9% Black).

Hamilton's Asian Population

17 residents of Hamilton, or 0.6% of the population, identify as Asian. The share of Asian residents in Hamilton is lower than in Illinois overall, where 5.9% of the population is Asian. Hamilton ranks 549th statewide in terms of Asian residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hamilton's Asian population has remained roughly the same. Asian residents' share of Hamilton's population has remained roughly unchanged at 0.6%.

Hamilton is more Asian than neighboring Keokuk (0.4% Asian), Sandusky (0% Asian), Warsaw (0% Asian), Mooar (0% Asian), and Alexandria (0% Asian).

Hamilton's Hispanic Population

58 residents of Hamilton, or 2.1% of the population, identify as Hispanic. The share of Hispanic residents in Hamilton is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Hamilton ranks 984th statewide in terms of Hispanic residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hamilton's Hispanic population has grown by an estimated 9.4%. Hispanic residents' share of Hamilton's population has remained roughly unchanged at 2.1%.

Hamilton is more Hispanic than neighboring Sandusky (0% Hispanic), Warsaw (0.2% Hispanic), Mooar (0% Hispanic), and Alexandria (0% Hispanic). Hamilton is less Hispanic than neighboring Keokuk (5.3% Hispanic).

Hamilton's Native American/Other Population

0 residents of Hamilton, 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 is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Hamilton ranks 454th statewide in terms of Native American/Other residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hamilton's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Hamilton's population has decreased from 0.5% to 0.0%.

Hamilton is less Native American/Other than neighboring Keokuk (0.2% Native American/Other), Sandusky (3.1% Native American/Other), and Warsaw (0.3% Native American/Other).

Hamilton's Multiracial Population

35 residents of Hamilton, or 1.3% of the population, identify as Multiracial. The share of Multiracial residents in Hamilton is slightly lower than in Illinois overall, where 3.4% of the population is Multiracial. Hamilton ranks 892nd statewide in terms of Multiracial residents as a share of the population, out of 1,461 places.

Since the 2020 Census, Hamilton's Multiracial population has declined by an estimated 58.8%. Multiracial residents' share of Hamilton's population has decreased from 3.1% to 1.3%.

Hamilton is more Multiracial than neighboring Sandusky (0.6% Multiracial), and Alexandria (0% Multiracial). Hamilton is less Multiracial than neighboring Keokuk (4.8% Multiracial), Warsaw (2.8% Multiracial), and Mooar (4.2% 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.