Alleghany, CA Demographics

A map of Alleghany's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	19	23	100.0%	76.7%
Black	0	0	0.0%	0.0%
Asian	0	0	0.0%	0.0%
Hispanic	0	2	0.0%	6.7%
Native American/Other	0	2	0.0%	6.7%
Multiracial	0	3	0.0%	10.0%

Alleghany, California has an estimated population of 19, a dramatic decrease from the 30 recorded in the 2020 Census. The population is 100.0% White, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 0.0% Native American/Other, and 0.0% Multiracial. This demographic dot map shows the population of Alleghany, with one dot drawn for each person counted by the Census, color-coded by race.

Alleghany has become considerably 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 Alleghany, that probability was 39.3% in 2020 and 0.0% in the most recent ACS estimates.

Alleghany is ranked the 1555th 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). Alleghany was ranked the 1576th most populous place in the 2020 Census.

Alleghany's White Population

19 residents of Alleghany, or 100.0% of the population, identify as White. The share of White residents in Alleghany is significantly higher than in California overall, where 33.8% of the population is White. Alleghany ranks 340th statewide in terms of White residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Alleghany's White population has declined by an estimated 17.4%. White residents' share of Alleghany's population has increased from 76.7% to 100.0%.

Alleghany is more White than neighboring Downieville (60.3% White), and Graniteville (0% White).

Alleghany's Black Population

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

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

Alleghany is less Black than neighboring Downieville (6.3% Black).

Alleghany's Asian Population

0 residents of Alleghany, or 0.0% of the population, identify as Asian. The share of Asian residents in Alleghany is significantly lower than in California overall, where 15.3% of the population is Asian. Alleghany ranks 1439th statewide in terms of Asian residents as a share of the population, out of 1,618 places.

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

Alleghany's Hispanic Population

0 residents of Alleghany, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Alleghany is significantly lower than in California overall, where 40.2% of the population is Hispanic. Alleghany ranks 1467th statewide in terms of Hispanic residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Alleghany's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Alleghany's population has decreased from 6.7% to 0.0%.

Alleghany is less Hispanic than neighboring Downieville (33.3% Hispanic).

Alleghany's Native American/Other Population

0 residents of Alleghany, 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 Alleghany is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Alleghany ranks 59th statewide in terms of Native American/Other residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Alleghany's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Alleghany's population has decreased from 6.7% to 0.0%.

Alleghany's Multiracial Population

0 residents of Alleghany, or 0.0% of the population, identify as Multiracial. The share of Multiracial residents in Alleghany is slightly lower than in California overall, where 4.4% of the population is Multiracial. Alleghany ranks 46th statewide in terms of Multiracial residents as a share of the population, out of 1,618 places.

Since the 2020 Census, Alleghany's Multiracial population has declined by an estimated 100.0%. Multiracial residents' share of Alleghany's population has decreased from 10.0% to 0.0%.

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.