Kootenai County Demographics

A map of Kootenai County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	155,815	149,107	85.6%	87.0%
Multiracial	11,319	8,828	6.2%	5.2%
Hispanic	10,298	8,756	5.7%	5.1%
Native American/Other	2,711	2,837	1.5%	1.7%
Asian	1,224	1,371	0.7%	0.8%
Black	629	463	0.3%	0.3%

Kootenai County, Idaho has an estimated population of 181,996, an increase from the 171,362 recorded in the 2020 Census. The population is 85.6% White, 6.2% Multiracial, 5.7% Hispanic, 1.5% Native American/Other, 0.7% Asian, and 0.3% Black. This demographic dot map shows the population of Kootenai County, with one dot drawn for each person counted by the Census, color-coded by race.

Kootenai has become 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 Kootenai County, that probability was 23.7% in 2020 and 26.0% in the most recent ACS estimates.

Kootenai County is ranked the 3rd most populous county in Idaho, out of 44 counties. Kootenai County was ranked the 3rd most populous county in the 2020 Census.

Kootenai County's White Population

155,815 residents of Kootenai County, or 85.6% of the population, identify as White. The share of White residents in Kootenai County is higher than in Idaho overall, where 78.6% of the population is White. Kootenai County ranks 17th statewide in terms of White residents as a share of the population, out of 44 counties.

Since the 2020 Census, Kootenai County's White population has grown by an estimated 4.5%. White residents' share of Kootenai County's population has decreased from 87.0% to 85.6%.

Kootenai County is more White than neighboring Benewah County (83.6% White), Spokane County (80.9% White), and Latah County (84.5% White). Kootenai County is less White than neighboring Bonner County (89% White), and Shoshone County (88.7% White).

Kootenai County's Black Population

629 residents of Kootenai County, or 0.3% of the population, identify as Black. The share of Black residents in Kootenai County is comparable to the share in Idaho overall, where 0.7% of the population is Black. Kootenai County ranks 13th statewide in terms of Black residents as a share of the population, out of 44 counties.

Since the 2020 Census, Kootenai County's Black population has grown by an estimated 35.9%. Black residents' share of Kootenai County's population has remained roughly unchanged at 0.3%.

Kootenai County is less Black than neighboring Benewah County (0.5% Black), Spokane County (1.9% Black), Latah County (1% Black), and Shoshone County (1% Black).

Kootenai County's Asian Population

1,224 residents of Kootenai County, or 0.7% of the population, identify as Asian. The share of Asian residents in Kootenai County is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Kootenai County ranks 11th statewide in terms of Asian residents as a share of the population, out of 44 counties.

Since the 2020 Census, Kootenai County's Asian population has declined by an estimated 10.7%. Asian residents' share of Kootenai County's population has remained roughly unchanged at 0.7%.

Kootenai County is more Asian than neighboring Benewah County (0% Asian), Bonner County (0.5% Asian), and Shoshone County (0.3% Asian). Kootenai County is less Asian than neighboring Spokane County (2.2% Asian), and Latah County (2.1% Asian).

Kootenai County's Hispanic Population

10,298 residents of Kootenai County, or 5.7% of the population, identify as Hispanic. The share of Hispanic residents in Kootenai County is lower than in Idaho overall, where 13.6% of the population is Hispanic. Kootenai County ranks 31st statewide in terms of Hispanic residents as a share of the population, out of 44 counties.

Since the 2020 Census, Kootenai County's Hispanic population has grown by an estimated 17.6%. Hispanic residents' share of Kootenai County's population has increased from 5.1% to 5.7%.

Kootenai County is more Hispanic than neighboring Benewah County (3.8% Hispanic), Bonner County (4% Hispanic), Latah County (5.2% Hispanic), and Shoshone County (4.1% Hispanic). Kootenai County is less Hispanic than neighboring Spokane County (7.1% Hispanic).

Kootenai County's Native American/Other Population

2,711 residents of Kootenai County, or 1.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Kootenai County is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Kootenai County ranks 14th statewide in terms of Native American/Other residents as a share of the population, out of 44 counties.

Since the 2020 Census, Kootenai County's Native American/Other population has declined by an estimated 4.4%. Native American/Other residents' share of Kootenai County's population has remained roughly unchanged at 1.5%.

Kootenai County is more Native American/Other than neighboring Bonner County (1.4% Native American/Other), Latah County (1.2% Native American/Other), and Shoshone County (1.3% Native American/Other). Kootenai County is less Native American/Other than neighboring Benewah County (7.4% Native American/Other), and Spokane County (1.9% Native American/Other).

Kootenai County's Multiracial Population

11,319 residents of Kootenai County, or 6.2% of the population, identify as Multiracial. The share of Multiracial residents in Kootenai County is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Kootenai County ranks 5th statewide in terms of Multiracial residents as a share of the population, out of 44 counties.

Since the 2020 Census, Kootenai County's Multiracial population has grown by an estimated 28.2%. Multiracial residents' share of Kootenai County's population has increased from 5.2% to 6.2%.

Kootenai County is more Multiracial than neighboring Benewah County (4.6% Multiracial), Bonner County (4.7% Multiracial), Spokane County (6% Multiracial), Latah County (6.1% Multiracial), and Shoshone County (4.5% 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.