census-designated place
A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only.
CDPs have been used in each decennial census since 1980 as the counte ...
California
California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
, United States in the
Sierra Nevada
The Sierra Nevada ( ) is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primari ...
. It is situated in the
Gold Country
The Gold Country (also known as Mother Lode Country) is a historic region in the northern portion of the U.S. state of California, that is primarily on the western slope of the Sierra Nevada. It is famed for the mineral deposits and gold mines t ...
and continues to be a significant locale for
gold mining
Gold mining is the extraction of gold by mining.
Historically, mining gold from Alluvium, alluvial deposits used manual separation processes, such as gold panning. The expansion of gold mining to ores that are not on the surface has led to mor ...
. The Sixteen To One Mine has been in operation since the days of the
California Gold Rush
The California gold rush (1848–1855) began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California. The news of gold brought approximately 300,000 people to California from the rest of the U ...
. The town is from the nearest highway (
California State Route 49
State Route 49 (SR 49) is a north–south state highway in the U.S. state of California that passes through many historic mining communities of the 1849 California gold rush and it is known as the Golden Chain Highway. The road was initial ...
) and consists largely of a single main street. The town is home to a post office, a bar, and a mining museum. The population was 30 at the 2020 census.
The community was named in 1859 for the Alleghany Tunnel mine that fueled the growth of the town when it struck gold four years earlier. The mine itself was named for the
Allegheny River
The Allegheny River ( ; ; ) is a tributary of the Ohio River that is located in western Pennsylvania and New York (state), New York in the United States. It runs from its headwaters just below the middle of Pennsylvania's northern border, nor ...
.
Geography
According to the
United States Census Bureau
The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
, the CDP covers an area of 0.3 square miles (0.9 km2), all of it land.
Demographics
The 2020 United States census reported that Alleghany had a population of 30. The population density was . The racial makeup of Alleghany was 77%
White
White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...
, 0%
African American
African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
Pacific Islander
Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...
, 7% from other races, and 17% from two or more races.
Hispanic or Latino
''Hispanic'' and '' Latino'' are ethnonyms used to refer collectively to the inhabitants of the United States who are of Spanish or Latin American ancestry (). While many use the terms interchangeably, for example, the United States Census Bureau ...
of any race were 7% of the population.
There were 16 households, out of which 31% included children under the age of 18. The average household size was 1.88. There were 10
families
Family (from ) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictability, structure, and safety as ...
(63% of all households).
The age distribution was 10% under the age of 18, 70% aged 18 to 64, and 20% who were 65years of age or older. The median age was 54.5years. There were 19 males and 11 females.
There were 25 housing units at an average density of , of which 16 (64%) were occupied. Of these, 56% were owner-occupied, and 44% were occupied by renters.
Politics
In the
state legislature
A state legislature is a Legislature, legislative branch or body of a State (country subdivision), political subdivision in a Federalism, federal system.
Two federations literally use the term "state legislature":
* The legislative branches of ...
, Alleghany is in , and .
Federally, Alleghany is in .