Blaine County Demographics

A map of Blaine County's Population by Race

Blaine County, Idaho had a population of 24,272 in 2020. It was 74.3% White, 0.2% Black, 0.9% Asian, 20.7% Hispanic, 0.7% Native American/Other, and 3.3% Multiracial. This map presents the population of Blaine County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Blaine County is the 16th most populous county of the 44 counties in Idaho.

Blaine County's White Population

18,024 residents of Blaine County identify as White, or 74.3%. This makes the White share of the population of Blaine County roughly similar to the White share of the population of Idaho (78.9% White). Of the 44 counties in Idaho, Blaine County is ranked #33 in terms of White residents as a share of the population.

Blaine County is more White than neighboring Lincoln County (63.3% White), Minidoka County (59.9% White), and Jerome County (58.4% White). Blaine County is less White than neighboring Camas County (87.1% White), and Butte County (90.8% White).

Blaine County's Black Population

45 residents of Blaine County identify as Black, or 0.2%. This makes the Black share of the population of Blaine County roughly similar to the Black share of the population of Idaho (0.8% Black). Of the 44 counties in Idaho, Blaine County is ranked #25 in terms of Black residents as a share of the population.

Blaine County is more Black than neighboring Lincoln County (0.1% Black), Minidoka County (0.1% Black), and Butte County (0.1% Black).

Blaine County's Asian Population

211 residents of Blaine County identify as Asian, or 0.9%. This makes the Asian share of the population of Blaine County roughly similar to the Asian share of the population of Idaho (1.4% Asian). Of the 44 counties in Idaho, Blaine County is ranked #8 in terms of Asian residents as a share of the population.

Blaine County is more Asian than neighboring Lincoln County (0.2% Asian), Minidoka County (0.2% Asian), Jerome County (0.3% Asian), Camas County (0.7% Asian), and Butte County (0.1% Asian).

Blaine County's Hispanic Population

5,021 residents of Blaine County identify as Hispanic, or 20.7%. This makes the Hispanic share of the population of Blaine County slightly larger than the Hispanic share of the population of Idaho (13% Hispanic). Of the 44 counties in Idaho, Blaine County is ranked #10 in terms of Hispanic residents as a share of the population.

Blaine County is more Hispanic than neighboring Camas County (5.5% Hispanic), and Butte County (5.2% Hispanic). Blaine County is less Hispanic than neighboring Lincoln County (32% Hispanic), Minidoka County (36.6% Hispanic), and Jerome County (37.9% Hispanic).

Blaine County's Native American/Other Population

165 residents of Blaine County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.7%. This makes the Native American/Other share of the population of Blaine 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, Blaine County is ranked #38 in terms of Native American/Other residents as a share of the population.

Blaine County is more Native American/Other than neighboring Lincoln County (0.6% Native American/Other), and Camas County (0.5% Native American/Other). Blaine County is less Native American/Other than neighboring Jerome County (0.8% Native American/Other).

Blaine County's Multiracial Population

806 residents of Blaine County identify as Multiracial, or 3.3%. This makes the Multiracial share of the population of Blaine County roughly similar to the Multiracial share of the population of Idaho (4.2% Multiracial). Of the 44 counties in Idaho, Blaine County is ranked #28 in terms of Multiracial residents as a share of the population.

Blaine County is more Multiracial than neighboring Minidoka County (2.4% Multiracial), Jerome County (2.4% Multiracial), and Butte County (3.1% Multiracial). Blaine County is less Multiracial than neighboring Lincoln County (3.8% Multiracial), and Camas County (6% Multiracial).

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