Caribou County Demographics

A map of Caribou County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	6,484	6,391	90.5%	90.9%
Hispanic	406	384	5.7%	5.5%
Multiracial	251	168	3.5%	2.4%
Black	11	0	0.2%	0.0%
Native American/Other	10	75	0.1%	1.1%
Asian	0	9	0.0%	0.1%

Caribou County, Idaho has an estimated population of 7,162, a slight increase from the 7,027 recorded in the 2020 Census. The population is 90.5% White, 5.7% Hispanic, 3.5% Multiracial, 0.2% Black, 0.1% Native American/Other, and 0.0% Asian. This demographic dot map shows the population of Caribou County, with one dot drawn for each person counted by the Census, color-coded by race.

Caribou has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Idaho overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Caribou County, that probability was 16.9% in 2020 and 17.6% in the most recent ACS estimates.

Caribou County is ranked the 35th most populous county in Idaho, out of 44 counties. Caribou County was ranked the 35th most populous county in the 2020 Census.

Caribou County's White Population

6,484 residents of Caribou County, or 90.5% of the population, identify as White. The share of White residents in Caribou County is considerably higher than in Idaho overall, where 78.6% of the population is White. Caribou County ranks 6th statewide in terms of White residents as a share of the population, out of 44 counties.

Since the 2020 Census, Caribou County's White population has grown by an estimated 1.5%. White residents' share of Caribou County's population has remained roughly unchanged at 90.5%.

Caribou County is more White than neighboring Bonneville County (80.2% White), Franklin County (89.4% White), Bannock County (80.3% White), and Bingham County (73.7% White). Caribou County is less White than neighboring Bear Lake County (93.2% White).

Caribou County's Black Population

11 residents of Caribou County, or 0.2% of the population, identify as Black. The share of Black residents in Caribou County is comparable to the share in Idaho overall, where 0.7% of the population is Black. Caribou County ranks 44th statewide in terms of Black residents as a share of the population, out of 44 counties.

Since the 2020 Census, Caribou County's Black population has grown from 0 to an estimated 11. Black residents' share of Caribou County's population has remained roughly unchanged at 0.2%.

Caribou County is more Black than neighboring Franklin County (0.1% Black). Caribou County is less Black than neighboring Bear Lake County (0.5% Black), Bonneville County (0.3% Black), and Bannock County (0.8% Black).

Caribou County's Asian Population

0 residents of Caribou County, or 0.0% of the population, identify as Asian. The share of Asian residents in Caribou County is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Caribou County ranks 42nd statewide in terms of Asian residents as a share of the population, out of 44 counties.

Since the 2020 Census, Caribou County's Asian population has declined by an estimated 100.0%. Asian residents' share of Caribou County's population has remained roughly unchanged at 0.0%.

Caribou County is less Asian than neighboring Bear Lake County (0.2% Asian), Bonneville County (0.9% Asian), Franklin County (0.1% Asian), Bannock County (1.5% Asian), and Bingham County (0.3% Asian).

Caribou County's Hispanic Population

406 residents of Caribou County, or 5.7% of the population, identify as Hispanic. The share of Hispanic residents in Caribou County is lower than in Idaho overall, where 13.6% of the population is Hispanic. Caribou County ranks 27th statewide in terms of Hispanic residents as a share of the population, out of 44 counties.

Since the 2020 Census, Caribou County's Hispanic population has grown by an estimated 5.7%. Hispanic residents' share of Caribou County's population has remained roughly unchanged at 5.7%.

Caribou County is more Hispanic than neighboring Bear Lake County (3.8% Hispanic). Caribou County is less Hispanic than neighboring Bonneville County (14.5% Hispanic), Franklin County (7.4% Hispanic), Bannock County (9.9% Hispanic), and Bingham County (17.8% Hispanic).

Caribou County's Native American/Other Population

10 residents of Caribou County, or 0.1% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Caribou County is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Caribou County ranks 26th statewide in terms of Native American/Other residents as a share of the population, out of 44 counties.

Since the 2020 Census, Caribou County's Native American/Other population has declined by an estimated 86.7%. Native American/Other residents' share of Caribou County's population has decreased from 1.1% to 0.1%.

Caribou County is less Native American/Other than neighboring Bear Lake County (0.4% Native American/Other), Bonneville County (0.9% Native American/Other), Franklin County (0.7% Native American/Other), Bannock County (3.4% Native American/Other), and Bingham County (4.9% Native American/Other).

Caribou County's Multiracial Population

251 residents of Caribou County, or 3.5% of the population, identify as Multiracial. The share of Multiracial residents in Caribou County is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Caribou County ranks 39th statewide in terms of Multiracial residents as a share of the population, out of 44 counties.

Since the 2020 Census, Caribou County's Multiracial population has grown by an estimated 49.4%. Multiracial residents' share of Caribou County's population has increased from 2.4% to 3.5%.

Caribou County is more Multiracial than neighboring Bear Lake County (1.8% Multiracial), Bonneville County (3.3% Multiracial), Franklin County (2.4% Multiracial), and Bingham County (3.2% Multiracial). Caribou County is less Multiracial than neighboring Bannock County (4.1% 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.