Onyx, CA Demographics

A map of Onyx's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	99	61	40.4%	13.3%
Multiracial	98	32	40.0%	7.0%
Asian	48	0	19.6%	0.0%
White	0	339	0.0%	74.2%
Black	0	0	0.0%	0.0%
Native American/Other	0	25	0.0%	5.5%

Onyx, California has an estimated population of 245, a dramatic decrease from the 457 recorded in the 2020 Census. The population is 40.4% Hispanic, 40.0% Multiracial, 19.6% Asian, 0.0% White, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Onyx, with one dot drawn for each person counted by the Census, color-coded by race.

Onyx has become considerably 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 Onyx, that probability was 42.4% in 2020 and 63.8% in the most recent ACS estimates.

Onyx is ranked the 1345th most populous place in California, out of 1,618 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Onyx was ranked the 1235th most populous place in the 2020 Census.

Onyx's White Population

0 residents of Onyx, or 0.0% of the population, identify as White. The share of White residents in Onyx is significantly lower than in California overall, where 33.8% of the population is White. Onyx ranks 433rd statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Onyx's White population has declined by an estimated 100.0%. White residents' share of Onyx's population has decreased from 74.2% to 0.0%.

Onyx is less White than neighboring Weldon (79.1% White), Mountain Mesa (84% White), Squirrel Mountain Valley (81.3% White), Kernville (77.6% White), and Wofford Heights (75.8% White).

Onyx's Black Population

0 residents of Onyx, or 0.0% of the population, identify as Black. The share of Black residents in Onyx is lower than in California overall, where 5.2% of the population is Black. Onyx ranks 1349th statewide in terms of Black residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Onyx's Black population has grown from 0 to an estimated 0. Black residents' share of Onyx's population has remained roughly unchanged at 0.0%.

Onyx is less Black than neighboring Mountain Mesa (4.2% Black), Squirrel Mountain Valley (0.8% Black), and Kernville (0.1% Black).

Onyx's Asian Population

48 residents of Onyx, or 19.6% of the population, identify as Asian. The share of Asian residents in Onyx is slightly higher than in California overall, where 15.3% of the population is Asian. Onyx ranks 1439th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Onyx's Asian population has grown from 0 to an estimated 48. Asian residents' share of Onyx's population has increased from 0.0% to 19.6%.

Onyx is more Asian than neighboring Weldon (1.7% Asian), Mountain Mesa (1.3% Asian), Squirrel Mountain Valley (0% Asian), Kernville (3.3% Asian), and Wofford Heights (0% Asian).

Onyx's Hispanic Population

99 residents of Onyx, or 40.4% of the population, identify as Hispanic. The share of Hispanic residents in Onyx is comparable to the share in California overall, where 40.2% of the population is Hispanic. Onyx ranks 1095th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Onyx's Hispanic population has grown by an estimated 62.3%. Hispanic residents' share of Onyx's population has increased from 13.3% to 40.4%.

Onyx is more Hispanic than neighboring Weldon (16.1% Hispanic), Mountain Mesa (8.5% Hispanic), Squirrel Mountain Valley (17.9% Hispanic), Kernville (6.2% Hispanic), and Wofford Heights (21.2% Hispanic).

Onyx's Native American/Other Population

0 residents of Onyx, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Onyx is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Onyx ranks 94th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Onyx's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Onyx's population has decreased from 5.5% to 0.0%.

Onyx is less Native American/Other than neighboring Weldon (2.7% Native American/Other), Kernville (11.6% Native American/Other), and Wofford Heights (0.3% Native American/Other).

Onyx's Multiracial Population

98 residents of Onyx, or 40.0% of the population, identify as Multiracial. The share of Multiracial residents in Onyx is significantly higher than in California overall, where 4.4% of the population is Multiracial. Onyx ranks 268th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Onyx's Multiracial population has grown by an estimated 206.3%. Multiracial residents' share of Onyx's population has increased from 7.0% to 40.0%.

Onyx is more Multiracial than neighboring Weldon (0.4% Multiracial), Mountain Mesa (2% Multiracial), Squirrel Mountain Valley (0% Multiracial), Kernville (1.3% Multiracial), and Wofford Heights (2.7% 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.