Tompkins County Demographics

A map of Tompkins County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	77,012	76,737	73.7%	72.6%
Asian	10,602	10,487	10.1%	9.9%
Hispanic	6,886	7,077	6.6%	6.7%
Multiracial	4,869	6,260	4.7%	5.9%
Black	3,804	4,274	3.6%	4.0%
Native American/Other	1,364	905	1.3%	0.9%

Tompkins County, New York has an estimated population of 104,537, a slight decrease from the 105,740 recorded in the 2020 Census. The population is 73.7% White, 10.1% Asian, 6.6% Hispanic, 4.7% Multiracial, 3.6% Black, and 1.3% Native American/Other. This demographic dot map shows the population of Tompkins County, with one dot drawn for each person counted by the Census, color-coded by race.

Tompkins has become less 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 Tompkins County, that probability was 45.4% in 2020 and 43.9% in the most recent ACS estimates.

Tompkins County is ranked the 28th most populous county in New York, out of 62 counties. Tompkins County was ranked the 28th most populous county in the 2020 Census.

Tompkins County's White Population

77,012 residents of Tompkins County, or 73.7% of the population, identify as White. The share of White residents in Tompkins County is significantly higher than in New York overall, where 52.8% of the population is White. Tompkins County ranks 46th statewide in terms of White residents as a share of the population, out of 62 counties.

Since the 2020 Census, Tompkins County's White population has remained roughly the same. White residents' share of Tompkins County's population has increased from 72.6% to 73.7%.

Tompkins County is less White than neighboring Tioga County (92.5% White), Schuyler County (92.4% White), Chemung County (84% White), Cortland County (89.2% White), and Seneca County (87.3% White).

Tompkins County's Black Population

3,804 residents of Tompkins County, or 3.6% of the population, identify as Black. The share of Black residents in Tompkins County is lower than in New York overall, where 13.4% of the population is Black. Tompkins County ranks 28th statewide in terms of Black residents as a share of the population, out of 62 counties.

Since the 2020 Census, Tompkins County's Black population has declined by an estimated 11.0%. Black residents' share of Tompkins County's population has remained roughly unchanged at 3.6%.

Tompkins County is more Black than neighboring Tioga County (1.3% Black), Schuyler County (1.1% Black), Cortland County (1.7% Black), and Seneca County (3.5% Black). Tompkins County is less Black than neighboring Chemung County (6.4% Black).

Tompkins County's Asian Population

10,602 residents of Tompkins County, or 10.1% of the population, identify as Asian. The share of Asian residents in Tompkins County is comparable to the share in New York overall, where 9% of the population is Asian. Tompkins County ranks 6th statewide in terms of Asian residents as a share of the population, out of 62 counties.

Since the 2020 Census, Tompkins County's Asian population has grown by an estimated 1.1%. Asian residents' share of Tompkins County's population has remained roughly unchanged at 10.1%.

Tompkins County is more Asian than neighboring Tioga County (0.9% Asian), Schuyler County (0.5% Asian), Chemung County (1.5% Asian), Cortland County (1.4% Asian), and Seneca County (0.6% Asian).

Tompkins County's Hispanic Population

6,886 residents of Tompkins County, or 6.6% of the population, identify as Hispanic. The share of Hispanic residents in Tompkins County is considerably lower than in New York overall, where 19.8% of the population is Hispanic. Tompkins County ranks 21st statewide in terms of Hispanic residents as a share of the population, out of 62 counties.

Since the 2020 Census, Tompkins County's Hispanic population has declined by an estimated 2.7%. Hispanic residents' share of Tompkins County's population has remained roughly unchanged at 6.6%.

Tompkins County is more Hispanic than neighboring Tioga County (2.4% Hispanic), Schuyler County (2.1% Hispanic), Chemung County (3.8% Hispanic), Cortland County (3.6% Hispanic), and Seneca County (4.4% Hispanic).

Tompkins County's Native American/Other Population

1,364 residents of Tompkins County, or 1.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Tompkins County is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Tompkins County ranks 20th statewide in terms of Native American/Other residents as a share of the population, out of 62 counties.

Since the 2020 Census, Tompkins County's Native American/Other population has grown by an estimated 50.7%. Native American/Other residents' share of Tompkins County's population has remained roughly unchanged at 1.3%.

Tompkins County is more Native American/Other than neighboring Tioga County (0.3% Native American/Other), Schuyler County (0.4% Native American/Other), Chemung County (0.5% Native American/Other), Cortland County (0.5% Native American/Other), and Seneca County (0.8% Native American/Other).

Tompkins County's Multiracial Population

4,869 residents of Tompkins County, or 4.7% of the population, identify as Multiracial. The share of Multiracial residents in Tompkins County is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Tompkins County ranks 2nd statewide in terms of Multiracial residents as a share of the population, out of 62 counties.

Since the 2020 Census, Tompkins County's Multiracial population has declined by an estimated 22.2%. Multiracial residents' share of Tompkins County's population has decreased from 5.9% to 4.7%.

Tompkins County is more Multiracial than neighboring Tioga County (2.5% Multiracial), Schuyler County (3.5% Multiracial), Chemung County (3.8% Multiracial), Cortland County (3.6% Multiracial), and Seneca County (3.5% 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.