Napa County Demographics

A map of Napa County's Population by Race

Napa County, California has an estimated population of 134,869, a slight decrease from the 138,019 recorded in the 2020 Census. The population is 48.6% White, 36.4% Hispanic, 8.1% Asian, 4.4% Multiracial, 1.7% Black, and 0.9% Native American/Other. This demographic dot map shows the population of Napa County, with one dot drawn for each person counted by the Census, color-coded by race.

Napa has become slightly more 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 Napa County, that probability was 61.8% in 2020 and 62.3% in the most recent ACS estimates.

Napa County is ranked the 34th most populous county in California, out of 58 counties. Napa County was ranked the 34th most populous county in the 2020 Census.

Napa County's White Population

65,479 residents of Napa County, or 48.6% of the population, identify as White. The share of White residents in Napa County is considerably higher than in California overall, where 33.8% of the population is White. Napa County ranks 29th statewide in terms of White residents as a share of the population, out of 58 counties.

Since the 2020 Census, Napa County's White population has declined by an estimated 5.0%. White residents' share of Napa County's population has decreased from 49.9% to 48.6%.

Napa County is more White than neighboring Solano County (33.2% White), Yolo County (41.8% White), and Colusa County (29.8% White). Napa County is less White than neighboring Sonoma County (57.9% White), and Marin County (65.1% White).

Napa County's Black Population

2,292 residents of Napa County, or 1.7% of the population, identify as Black. The share of Black residents in Napa County is slightly lower than in California overall, where 5.2% of the population is Black. Napa County ranks 30th statewide in terms of Black residents as a share of the population, out of 58 counties.

Since the 2020 Census, Napa County's Black population has remained roughly the same. Black residents' share of Napa County's population has remained roughly unchanged at 1.7%.

Napa County is more Black than neighboring Sonoma County (1.5% Black), and Colusa County (1.5% Black). Napa County is less Black than neighboring Solano County (12.3% Black), Yolo County (2.4% Black), and Marin County (2.1% Black).

Napa County's Asian Population

10,875 residents of Napa County, or 8.1% of the population, identify as Asian. The share of Asian residents in Napa County is lower than in California overall, where 15.3% of the population is Asian. Napa County ranks 18th statewide in terms of Asian residents as a share of the population, out of 58 counties.

Since the 2020 Census, Napa County's Asian population has grown by an estimated 3.4%. Asian residents' share of Napa County's population has increased from 7.6% to 8.1%.

Napa County is more Asian than neighboring Sonoma County (4.3% Asian), Marin County (6.1% Asian), and Colusa County (0.9% Asian). Napa County is less Asian than neighboring Solano County (15.9% Asian), and Yolo County (14.9% Asian).

Napa County's Hispanic Population

49,046 residents of Napa County, or 36.4% of the population, identify as Hispanic. The share of Hispanic residents in Napa County is slightly lower than in California overall, where 40.2% of the population is Hispanic. Napa County ranks 19th statewide in terms of Hispanic residents as a share of the population, out of 58 counties.

Since the 2020 Census, Napa County's Hispanic population has remained roughly the same. Hispanic residents' share of Napa County's population has increased from 35.4% to 36.4%.

Napa County is more Hispanic than neighboring Solano County (29.6% Hispanic), Yolo County (33.4% Hispanic), Sonoma County (30% Hispanic), and Marin County (19.5% Hispanic). Napa County is less Hispanic than neighboring Colusa County (62.9% Hispanic).

Napa County's Native American/Other Population

1,263 residents of Napa County, or 0.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Napa County is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Napa County ranks 42nd statewide in terms of Native American/Other residents as a share of the population, out of 58 counties.

Since the 2020 Census, Napa County's Native American/Other population has declined by an estimated 27.1%. Native American/Other residents' share of Napa County's population has remained roughly unchanged at 0.9%.

Napa County is less Native American/Other than neighboring Solano County (2% Native American/Other), Yolo County (1.4% Native American/Other), Sonoma County (1.3% Native American/Other), Marin County (1.4% Native American/Other), and Colusa County (2.4% Native American/Other).

Napa County's Multiracial Population

5,914 residents of Napa County, or 4.4% of the population, identify as Multiracial. The share of Multiracial residents in Napa County is comparable to the share in California overall, where 4.4% of the population is Multiracial. Napa County ranks 38th statewide in terms of Multiracial residents as a share of the population, out of 58 counties.

Since the 2020 Census, Napa County's Multiracial population has grown by an estimated 3.2%. Multiracial residents' share of Napa County's population has remained roughly unchanged at 4.4%.

Napa County is more Multiracial than neighboring Colusa County (2.5% Multiracial). Napa County is less Multiracial than neighboring Solano County (6.9% Multiracial), Yolo County (6.1% Multiracial), Sonoma County (5% Multiracial), and Marin County (5.9% 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.