Jefferson County Demographics

A map of Jefferson County's Population by Race

Jefferson County, New York had a population of 116,721 in 2020. It was 79.5% White, 5.4% Black, 1.9% Asian, 6.8% Hispanic, 1.1% Native American/Other, and 5.4% Multiracial. This map presents the population of Jefferson County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Jefferson County is the 25th most populous county of the 62 counties in New York.

Jefferson County's White Population

92,755 residents of Jefferson County identify as White, or 79.5%. This makes the White share of the population of Jefferson County considerably larger than the White share of the population of New York (52.5% White). Of the 62 counties in New York, Jefferson County is ranked #38 in terms of White residents as a share of the population.

Jefferson County is more White than neighboring Oneida County (78% White), and Onondaga County (72.9% White). Jefferson County is less White than neighboring Oswego County (89.9% White), Lewis County (93.8% White), and St. Lawrence County (89% White).

Jefferson County's Black Population

6,271 residents of Jefferson County identify as Black, or 5.4%. This makes the Black share of the population of Jefferson County slightly less than the Black share of the population of New York (13.7% Black). Of the 62 counties in New York, Jefferson County is ranked #24 in terms of Black residents as a share of the population.

Jefferson County is more Black than neighboring Oswego County (1.2% Black), Lewis County (0.4% Black), and St. Lawrence County (2.6% Black). Jefferson County is less Black than neighboring Oneida County (6.5% Black), and Onondaga County (11.4% Black).

Jefferson County's Asian Population

2,185 residents of Jefferson County identify as Asian, or 1.9%. This makes the Asian share of the population of Jefferson County slightly less than the Asian share of the population of New York (9.5% Asian). Of the 62 counties in New York, Jefferson County is ranked #27 in terms of Asian residents as a share of the population.

Jefferson County is more Asian than neighboring Oswego County (0.7% Asian), Lewis County (0.2% Asian), and St. Lawrence County (1% Asian). Jefferson County is less Asian than neighboring Oneida County (4.5% Asian), and Onondaga County (4.2% Asian).

Jefferson County's Hispanic Population

7,990 residents of Jefferson County identify as Hispanic, or 6.8%. This makes the Hispanic share of the population of Jefferson County less than the Hispanic share of the population of New York (19.5% Hispanic). Of the 62 counties in New York, Jefferson County is ranked #20 in terms of Hispanic residents as a share of the population.

Jefferson County is more Hispanic than neighboring Oswego County (3.1% Hispanic), Lewis County (1.7% Hispanic), Oneida County (6.5% Hispanic), Onondaga County (5.6% Hispanic), and St. Lawrence County (2.6% Hispanic).

Jefferson County's Native American/Other Population

1,262 residents of Jefferson County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.1%. This makes the Native American/Other share of the population of Jefferson County roughly similar to the Native American/Other share of the population of New York (1.3% Native American/Other). Of the 62 counties in New York, Jefferson County is ranked #11 in terms of Native American/Other residents as a share of the population.

Jefferson County is more Native American/Other than neighboring Oswego County (0.7% Native American/Other), Lewis County (0.4% Native American/Other), Oneida County (0.6% Native American/Other), and Onondaga County (1% Native American/Other). Jefferson County is less Native American/Other than neighboring St. Lawrence County (1.3% Native American/Other).

Jefferson County's Multiracial Population

6,258 residents of Jefferson County identify as Multiracial, or 5.4%. This makes the Multiracial share of the population of Jefferson County roughly similar to the Multiracial share of the population of New York (3.6% Multiracial). Of the 62 counties in New York, Jefferson County is ranked #4 in terms of Multiracial residents as a share of the population.

Jefferson County is more Multiracial than neighboring Oswego County (4.4% Multiracial), Lewis County (3.4% Multiracial), Oneida County (3.9% Multiracial), Onondaga County (4.9% Multiracial), and St. Lawrence County (3.5% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.