Jefferson County Demographics
A map of Jefferson County's Population by Race
Race | Population | Percent |
|---|---|---|
White | 26,430 | 85.6% |
Hispanic | 3,256 | 10.5% |
Multiracial | 751 | 2.4% |
Native American/Other | 263 | 0.9% |
Asian | 118 | 0.4% |
Black | 73 | 0.2% |
Jefferson County, Idaho had a population of 30,891 in 2020. It was 85.6% White, 0.2% Black, 0.4% Asian, 10.5% Hispanic, 0.9% Native American/Other, and 2.4% 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 12th most populous county of the 44 counties in Idaho.
Jefferson County's White Population
26,430 residents of Jefferson County identify as White, or 85.6%. This makes the White share of the population of Jefferson County slightly larger than the White share of the population of Idaho (78.9% White). Of the 44 counties in Idaho, Jefferson County is ranked #19 in terms of White residents as a share of the population.
Jefferson County is more White than neighboring Clark County (58.6% White), Bingham County (72.8% White), Madison County (83.1% White), and Bonneville County (80.6% White). Jefferson County is less White than neighboring Butte County (90.8% White).
Jefferson County's Black Population
73 residents of Jefferson County identify as Black, or 0.2%. This makes the Black share of the population of Jefferson County roughly similar to the Black share of the population of Idaho (0.8% Black). Of the 44 counties in Idaho, Jefferson County is ranked #18 in terms of Black residents as a share of the population.
Jefferson County is more Black than neighboring Butte County (0.1% Black). Jefferson County is less Black than neighboring Clark County (0.4% Black), Madison County (1.3% Black), and Bonneville County (0.5% Black).
Jefferson County's Asian Population
118 residents of Jefferson County identify as Asian, or 0.4%. This makes the Asian share of the population of Jefferson County roughly similar to the Asian share of the population of Idaho (1.4% Asian). Of the 44 counties in Idaho, Jefferson County is ranked #25 in terms of Asian residents as a share of the population.
Jefferson County is more Asian than neighboring Clark County (0.1% Asian), and Butte County (0.1% Asian). Jefferson County is less Asian than neighboring Madison County (1.8% Asian), and Bonneville County (1.1% Asian).
Jefferson County's Hispanic Population
3,256 residents of Jefferson County identify as Hispanic, or 10.5%. This makes the Hispanic share of the population of Jefferson County roughly similar to the Hispanic share of the population of Idaho (13% Hispanic). Of the 44 counties in Idaho, Jefferson County is ranked #19 in terms of Hispanic residents as a share of the population.
Jefferson County is more Hispanic than neighboring Madison County (9.9% Hispanic), and Butte County (5.2% Hispanic). Jefferson County is less Hispanic than neighboring Clark County (36.5% Hispanic), Bingham County (17.4% Hispanic), and Bonneville County (13.8% Hispanic).
Jefferson County's Native American/Other Population
263 residents of Jefferson County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.9%. 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 Idaho (1.7% Native American/Other). Of the 44 counties in Idaho, Jefferson County is ranked #32 in terms of Native American/Other residents as a share of the population.
Jefferson County is more Native American/Other than neighboring Clark County (0.5% Native American/Other), and Butte County (0.7% Native American/Other). Jefferson County is less Native American/Other than neighboring Bingham County (6.4% Native American/Other), Madison County (1% Native American/Other), and Bonneville County (1% Native American/Other).
Jefferson County's Multiracial Population
751 residents of Jefferson County identify as Multiracial, or 2.4%. This makes the Multiracial share of the population of Jefferson County roughly similar to the Multiracial share of the population of Idaho (4.2% Multiracial). Of the 44 counties in Idaho, Jefferson County is ranked #35 in terms of Multiracial residents as a share of the population.
Jefferson County is less Multiracial than neighboring Clark County (3.9% Multiracial), Bingham County (2.8% Multiracial), Madison County (2.8% Multiracial), Bonneville County (3% Multiracial), and Butte County (3.1% Multiracial).
Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.