Lassen County Demographics

A map of Lassen County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	18,609	19,534	61.3%	59.7%
Hispanic	6,851	7,531	22.6%	23.0%
Black	1,855	2,244	6.1%	6.9%
Multiracial	1,273	1,585	4.2%	4.8%
Native American/Other	1,172	1,364	3.9%	4.2%
Asian	596	472	2.0%	1.4%

Lassen County, California has an estimated population of 30,356, a decrease from the 32,730 recorded in the 2020 Census. The population is 61.3% White, 22.6% Hispanic, 6.1% Black, 4.2% Multiracial, 3.9% Native American/Other, and 2.0% Asian. This demographic dot map shows the population of Lassen County, with one dot drawn for each person counted by the Census, color-coded by race.

Lassen has become less racially diverse since the 2020 Census. It is considerably less diverse than California overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Lassen County, that probability was 58.2% in 2020 and 56.6% in the most recent ACS estimates.

Lassen County is ranked the 47th most populous county in California, out of 58 counties. Lassen County was ranked the 47th most populous county in the 2020 Census.

Lassen County's White Population

18,609 residents of Lassen County, or 61.3% of the population, identify as White. The share of White residents in Lassen County is significantly higher than in California overall, where 33.8% of the population is White. Lassen County ranks 23rd statewide in terms of White residents as a share of the population, out of 58 counties.

Since the 2020 Census, Lassen County's White population has declined by an estimated 4.7%. White residents' share of Lassen County's population has increased from 59.7% to 61.3%.

Lassen County is more White than neighboring Washoe County (58.5% White). Lassen County is less White than neighboring Plumas County (80.8% White), Modoc County (74.8% White), Sierra County (86% White), and Nevada County (80.7% White).

Lassen County's Black Population

1,855 residents of Lassen County, or 6.1% of the population, identify as Black. The share of Black residents in Lassen County is comparable to the share in California overall, where 5.2% of the population is Black. Lassen County ranks 8th statewide in terms of Black residents as a share of the population, out of 58 counties.

Since the 2020 Census, Lassen County's Black population has declined by an estimated 17.3%. Black residents' share of Lassen County's population has decreased from 6.9% to 6.1%.

Lassen County is more Black than neighboring Plumas County (1% Black), Modoc County (0.6% Black), Washoe County (2.3% Black), Sierra County (0.3% Black), and Nevada County (0.3% Black).

Lassen County's Asian Population

596 residents of Lassen County, or 2.0% of the population, identify as Asian. The share of Asian residents in Lassen County is considerably lower than in California overall, where 15.3% of the population is Asian. Lassen County ranks 46th statewide in terms of Asian residents as a share of the population, out of 58 counties.

Since the 2020 Census, Lassen County's Asian population has grown by an estimated 26.3%. Asian residents' share of Lassen County's population has increased from 1.4% to 2.0%.

Lassen County is more Asian than neighboring Plumas County (0.8% Asian), Sierra County (0% Asian), and Nevada County (1.6% Asian). Lassen County is less Asian than neighboring Modoc County (2.1% Asian), and Washoe County (5.6% Asian).

Lassen County's Hispanic Population

6,851 residents of Lassen County, or 22.6% of the population, identify as Hispanic. The share of Hispanic residents in Lassen County is significantly lower than in California overall, where 40.2% of the population is Hispanic. Lassen County ranks 38th statewide in terms of Hispanic residents as a share of the population, out of 58 counties.

Since the 2020 Census, Lassen County's Hispanic population has declined by an estimated 9.0%. Hispanic residents' share of Lassen County's population has remained roughly unchanged at 22.6%.

Lassen County is more Hispanic than neighboring Plumas County (10.3% Hispanic), Modoc County (15.7% Hispanic), Sierra County (11% Hispanic), and Nevada County (10.7% Hispanic). Lassen County is less Hispanic than neighboring Washoe County (26.1% Hispanic).

Lassen County's Native American/Other Population

1,172 residents of Lassen County, or 3.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Lassen County is slightly higher than in California overall, where 1.2% of the population is Native American/Other. Lassen County ranks 8th statewide in terms of Native American/Other residents as a share of the population, out of 58 counties.

Since the 2020 Census, Lassen County's Native American/Other population has declined by an estimated 14.1%. Native American/Other residents' share of Lassen County's population has remained roughly unchanged at 3.9%.

Lassen County is more Native American/Other than neighboring Plumas County (1.9% Native American/Other), Modoc County (2.2% Native American/Other), Washoe County (2% Native American/Other), Sierra County (2.1% Native American/Other), and Nevada County (1% Native American/Other).

Lassen County's Multiracial Population

1,273 residents of Lassen County, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in Lassen County is comparable to the share in California overall, where 4.4% of the population is Multiracial. Lassen County ranks 34th statewide in terms of Multiracial residents as a share of the population, out of 58 counties.

Since the 2020 Census, Lassen County's Multiracial population has declined by an estimated 19.7%. Multiracial residents' share of Lassen County's population has decreased from 4.8% to 4.2%.

Lassen County is more Multiracial than neighboring Sierra County (0.7% Multiracial). Lassen County is less Multiracial than neighboring Plumas County (5.3% Multiracial), Modoc County (4.7% Multiracial), Washoe County (5.5% Multiracial), and Nevada County (5.7% 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.