Latah County Demographics

A map of Latah County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	34,673	33,476	84.5%	84.7%
Multiracial	2,521	2,144	6.1%	5.4%
Hispanic	2,120	2,073	5.2%	5.2%
Asian	843	968	2.1%	2.4%
Native American/Other	491	538	1.2%	1.4%
Black	401	318	1.0%	0.8%

Latah County, Idaho has an estimated population of 41,049, an increase from the 39,517 recorded in the 2020 Census. The population is 84.5% White, 6.1% Multiracial, 5.2% Hispanic, 2.1% Asian, 1.2% Native American/Other, and 1.0% Black. This demographic dot map shows the population of Latah County, with one dot drawn for each person counted by the Census, color-coded by race.

Latah is about as racially diverse as it was in 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 Latah County, that probability was 27.6% in 2020 and 27.9% in the most recent ACS estimates.

Latah County is ranked the 11th most populous county in Idaho, out of 44 counties. Latah County was ranked the 11th most populous county in the 2020 Census.

Latah County's White Population

34,673 residents of Latah County, or 84.5% of the population, identify as White. The share of White residents in Latah County is higher than in Idaho overall, where 78.6% of the population is White. Latah County ranks 20th statewide in terms of White residents as a share of the population, out of 44 counties.

Since the 2020 Census, Latah County's White population has grown by an estimated 3.6%. White residents' share of Latah County's population has remained roughly unchanged at 84.5%.

Latah County is more White than neighboring Benewah County (83.6% White), Lewis County (81.7% White), and Whitman County (73.5% White). Latah County is less White than neighboring Nez Perce County (85.5% White), and Asotin County (87.1% White).

Latah County's Black Population

401 residents of Latah County, or 1.0% of the population, identify as Black. The share of Black residents in Latah County is comparable to the share in Idaho overall, where 0.7% of the population is Black. Latah County ranks 5th statewide in terms of Black residents as a share of the population, out of 44 counties.

Since the 2020 Census, Latah County's Black population has grown by an estimated 26.1%. Black residents' share of Latah County's population has remained roughly unchanged at 1.0%.

Latah County is more Black than neighboring Benewah County (0.5% Black), Nez Perce County (0.2% Black), and Asotin County (0.9% Black). Latah County is less Black than neighboring Lewis County (1.1% Black), and Whitman County (1.4% Black).

Latah County's Asian Population

843 residents of Latah County, or 2.1% of the population, identify as Asian. The share of Asian residents in Latah County is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Latah County ranks 3rd statewide in terms of Asian residents as a share of the population, out of 44 counties.

Since the 2020 Census, Latah County's Asian population has declined by an estimated 12.9%. Asian residents' share of Latah County's population has remained roughly unchanged at 2.1%.

Latah County is more Asian than neighboring Benewah County (0% Asian), Nez Perce County (0.9% Asian), Lewis County (1% Asian), and Asotin County (1.1% Asian). Latah County is less Asian than neighboring Whitman County (6.8% Asian).

Latah County's Hispanic Population

2,120 residents of Latah County, or 5.2% of the population, identify as Hispanic. The share of Hispanic residents in Latah County is lower than in Idaho overall, where 13.6% of the population is Hispanic. Latah County ranks 28th statewide in terms of Hispanic residents as a share of the population, out of 44 counties.

Since the 2020 Census, Latah County's Hispanic population has grown by an estimated 2.3%. Hispanic residents' share of Latah County's population has remained roughly unchanged at 5.2%.

Latah County is more Hispanic than neighboring Benewah County (3.8% Hispanic), Nez Perce County (4.4% Hispanic), Lewis County (4.3% Hispanic), and Asotin County (4.6% Hispanic). Latah County is less Hispanic than neighboring Whitman County (8.1% Hispanic).

Latah County's Native American/Other Population

491 residents of Latah County, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Latah County is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Latah County ranks 15th statewide in terms of Native American/Other residents as a share of the population, out of 44 counties.

Since the 2020 Census, Latah County's Native American/Other population has declined by an estimated 8.7%. Native American/Other residents' share of Latah County's population has remained roughly unchanged at 1.2%.

Latah County is less Native American/Other than neighboring Benewah County (7.4% Native American/Other), Nez Perce County (4.9% Native American/Other), Lewis County (2.2% Native American/Other), Asotin County (1.7% Native American/Other), and Whitman County (1.6% Native American/Other).

Latah County's Multiracial Population

2,521 residents of Latah County, or 6.1% of the population, identify as Multiracial. The share of Multiracial residents in Latah County is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Latah County ranks 4th statewide in terms of Multiracial residents as a share of the population, out of 44 counties.

Since the 2020 Census, Latah County's Multiracial population has grown by an estimated 17.6%. Multiracial residents' share of Latah County's population has increased from 5.4% to 6.1%.

Latah County is more Multiracial than neighboring Benewah County (4.6% Multiracial), Nez Perce County (4.2% Multiracial), and Asotin County (4.6% Multiracial). Latah County is less Multiracial than neighboring Lewis County (9.7% Multiracial), and Whitman County (8.6% 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.