Sullivan County Demographics

A map of Sullivan County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	52,633	52,691	66.0%	67.0%
Hispanic	15,158	14,007	19.0%	17.8%
Black	6,685	6,069	8.4%	7.7%
Multiracial	2,834	3,502	3.6%	4.5%
Asian	1,683	1,569	2.1%	2.0%
Native American/Other	728	786	0.9%	1.0%

Sullivan County, New York has an estimated population of 79,721, a slight increase from the 78,624 recorded in the 2020 Census. The population is 66.0% White, 19.0% Hispanic, 8.4% Black, 3.6% Multiracial, 2.1% Asian, and 0.9% Native American/Other. This demographic dot map shows the population of Sullivan County, with one dot drawn for each person counted by the Census, color-coded by race.

Sullivan has become slightly 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 Sullivan County, that probability was 51.1% in 2020 and 51.9% in the most recent ACS estimates.

Sullivan County is ranked the 33rd most populous county in New York, out of 62 counties. Sullivan County was ranked the 34th most populous county in the 2020 Census.

Sullivan County's White Population

52,633 residents of Sullivan County, or 66.0% of the population, identify as White. The share of White residents in Sullivan County is considerably higher than in New York overall, where 52.8% of the population is White. Sullivan County ranks 49th statewide in terms of White residents as a share of the population, out of 62 counties.

Since the 2020 Census, Sullivan County's White population has remained roughly the same. White residents' share of Sullivan County's population has decreased from 67.0% to 66.0%.

Sullivan County is more White than neighboring Orange County (57.9% White). Sullivan County is less White than neighboring Pike County (76.9% White), Delaware County (89.2% White), Ulster County (72.4% White), and Wayne County (87.4% White).

Sullivan County's Black Population

6,685 residents of Sullivan County, or 8.4% of the population, identify as Black. The share of Black residents in Sullivan County is slightly lower than in New York overall, where 13.4% of the population is Black. Sullivan County ranks 16th statewide in terms of Black residents as a share of the population, out of 62 counties.

Since the 2020 Census, Sullivan County's Black population has grown by an estimated 10.1%. Black residents' share of Sullivan County's population has increased from 7.7% to 8.4%.

Sullivan County is more Black than neighboring Pike County (5.6% Black), Delaware County (0.8% Black), Ulster County (5.7% Black), and Wayne County (3% Black). Sullivan County is less Black than neighboring Orange County (10.5% Black).

Sullivan County's Asian Population

1,683 residents of Sullivan County, or 2.1% of the population, identify as Asian. The share of Asian residents in Sullivan County is lower than in New York overall, where 9% of the population is Asian. Sullivan County ranks 26th statewide in terms of Asian residents as a share of the population, out of 62 counties.

Since the 2020 Census, Sullivan County's Asian population has grown by an estimated 7.3%. Asian residents' share of Sullivan County's population has remained roughly unchanged at 2.1%.

Sullivan County is more Asian than neighboring Pike County (1.3% Asian), Delaware County (0.9% Asian), and Wayne County (0.7% Asian). Sullivan County is less Asian than neighboring Orange County (2.8% Asian).

Sullivan County's Hispanic Population

15,158 residents of Sullivan County, or 19.0% of the population, identify as Hispanic. The share of Hispanic residents in Sullivan County is comparable to the share in New York overall, where 19.8% of the population is Hispanic. Sullivan County ranks 12th statewide in terms of Hispanic residents as a share of the population, out of 62 counties.

Since the 2020 Census, Sullivan County's Hispanic population has grown by an estimated 8.2%. Hispanic residents' share of Sullivan County's population has increased from 17.8% to 19.0%.

Sullivan County is more Hispanic than neighboring Pike County (12.4% Hispanic), Delaware County (4.9% Hispanic), Ulster County (12.2% Hispanic), and Wayne County (5.1% Hispanic). Sullivan County is less Hispanic than neighboring Orange County (23.9% Hispanic).

Sullivan County's Native American/Other Population

728 residents of Sullivan County, or 0.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Sullivan County is comparable to the share in New York overall, where 1.2% of the population is Native American/Other. Sullivan County ranks 13th statewide in terms of Native American/Other residents as a share of the population, out of 62 counties.

Since the 2020 Census, Sullivan County's Native American/Other population has declined by an estimated 7.4%. Native American/Other residents' share of Sullivan County's population has remained roughly unchanged at 0.9%.

Sullivan County is more Native American/Other than neighboring Pike County (0.3% Native American/Other), and Delaware County (0.5% Native American/Other). Sullivan County is less Native American/Other than neighboring Ulster County (1.3% Native American/Other).

Sullivan County's Multiracial Population

2,834 residents of Sullivan County, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Sullivan County is comparable to the share in New York overall, where 3.8% of the population is Multiracial. Sullivan County ranks 22nd statewide in terms of Multiracial residents as a share of the population, out of 62 counties.

Since the 2020 Census, Sullivan County's Multiracial population has declined by an estimated 19.1%. Multiracial residents' share of Sullivan County's population has decreased from 4.5% to 3.6%.

Sullivan County is more Multiracial than neighboring Pike County (3.4% Multiracial), and Wayne County (2.9% Multiracial). Sullivan County is less Multiracial than neighboring Delaware County (3.7% Multiracial), Ulster County (6.3% Multiracial), and Orange County (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.