Hamilton County Demographics

A map of Hamilton County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,655	4,769	91.5%	93.4%
Multiracial	210	176	4.1%	3.4%
Hispanic	106	100	2.1%	2.0%
Black	77	30	1.5%	0.6%
Native American/Other	24	20	0.5%	0.4%
Asian	17	12	0.3%	0.2%

Hamilton County, New York has an estimated population of 5,089, a less than 1% change from the 5,107 recorded in the 2020 Census. The population is 91.5% White, 4.1% Multiracial, 2.1% Hispanic, 1.5% Black, 0.5% Native American/Other, and 0.3% Asian. This demographic dot map shows the population of Hamilton County, with one dot drawn for each person counted by the Census, color-coded by race.

Hamilton has become more racially diverse since the 2020 Census. It is considerably less diverse than New York overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Hamilton County, that probability was 12.6% in 2020 and 16.1% in the most recent ACS estimates.

Hamilton County is ranked the 62nd most populous county in New York, out of 62 counties. Hamilton County was ranked the 62nd most populous county in the 2020 Census.

Hamilton County's White Population

4,655 residents of Hamilton County, or 91.5% of the population, identify as White. The share of White residents in Hamilton County is significantly higher than in New York overall, where 52.8% of the population is White. Hamilton County ranks 2nd statewide in terms of White residents as a share of the population, out of 62 counties.

Since the 2020 Census, Hamilton County's White population has declined by an estimated 2.4%. White residents' share of Hamilton County's population has decreased from 93.4% to 91.5%.

Hamilton County is more White than neighboring Herkimer County (90.7% White), Fulton County (87.9% White), Warren County (91.4% White), Montgomery County (77% White), and Saratoga County (86.8% White).

Hamilton County's Black Population

77 residents of Hamilton County, or 1.5% of the population, identify as Black. The share of Black residents in Hamilton County is considerably lower than in New York overall, where 13.4% of the population is Black. Hamilton County ranks 59th statewide in terms of Black residents as a share of the population, out of 62 counties.

Since the 2020 Census, Hamilton County's Black population has grown by an estimated 156.7%. Black residents' share of Hamilton County's population has increased from 0.6% to 1.5%.

Hamilton County is more Black than neighboring Herkimer County (1.2% Black), Fulton County (1.4% Black), and Warren County (1.2% Black). Hamilton County is less Black than neighboring Montgomery County (2.5% Black), and Saratoga County (1.6% Black).

Hamilton County's Asian Population

17 residents of Hamilton County, or 0.3% of the population, identify as Asian. The share of Asian residents in Hamilton County is lower than in New York overall, where 9% of the population is Asian. Hamilton County ranks 62nd statewide in terms of Asian residents as a share of the population, out of 62 counties.

Since the 2020 Census, Hamilton County's Asian population has grown by an estimated 41.7%. Asian residents' share of Hamilton County's population has remained roughly unchanged at 0.3%.

Hamilton County is less Asian than neighboring Herkimer County (0.6% Asian), Fulton County (0.9% Asian), Warren County (0.9% Asian), Montgomery County (0.8% Asian), and Saratoga County (3% Asian).

Hamilton County's Hispanic Population

106 residents of Hamilton County, or 2.1% of the population, identify as Hispanic. The share of Hispanic residents in Hamilton County is significantly lower than in New York overall, where 19.8% of the population is Hispanic. Hamilton County ranks 59th statewide in terms of Hispanic residents as a share of the population, out of 62 counties.

Since the 2020 Census, Hamilton County's Hispanic population has grown by an estimated 6.0%. Hispanic residents' share of Hamilton County's population has remained roughly unchanged at 2.1%.

Hamilton County is less Hispanic than neighboring Herkimer County (2.8% Hispanic), Fulton County (4.4% Hispanic), Warren County (3% Hispanic), Montgomery County (15.4% Hispanic), and Saratoga County (3.9% Hispanic).

Hamilton County's Native American/Other Population

24 residents of Hamilton County, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Hamilton County is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Hamilton County ranks 61st statewide in terms of Native American/Other residents as a share of the population, out of 62 counties.

Since the 2020 Census, Hamilton County's Native American/Other population has grown by an estimated 20.0%. Native American/Other residents' share of Hamilton County's population has remained roughly unchanged at 0.5%.

Hamilton County is more Native American/Other than neighboring Warren County (0.4% Native American/Other). Hamilton County is less Native American/Other than neighboring Herkimer County (0.6% Native American/Other), Montgomery County (0.7% Native American/Other), and Saratoga County (0.6% Native American/Other).

Hamilton County's Multiracial Population

210 residents of Hamilton County, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Hamilton County is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Hamilton County ranks 50th statewide in terms of Multiracial residents as a share of the population, out of 62 counties.

Since the 2020 Census, Hamilton County's Multiracial population has grown by an estimated 19.3%. Multiracial residents' share of Hamilton County's population has increased from 3.4% to 4.1%.

Hamilton County is more Multiracial than neighboring Warren County (3.1% Multiracial), Montgomery County (3.5% Multiracial), and Saratoga County (4% Multiracial). Hamilton County is less Multiracial than neighboring Fulton County (4.9% 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.