Siskiyou County, CA Population

Overview

44,151

Total Population

47.1

Median age

49.68%

Female population %

101.3:100

Gender ratio (M:F)

65-69 years

Largest age group

73.6

Total dependency ratio

White

Largest racial group

5,87

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Siskiyou County's population is old compared to the rest of the country:

The median age in Siskiyou County is 47.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Siskiyou County's population under 18 was 20.34%, compared to the 22.51% nationwide.
Siskiyou County's elderly or the senior population (over 65 age) was 25.48% as compared to 16.04% nationwide.
Of the total population in Siskiyou County, 16.93% were under the age of 15, 14.82% aged 15 to 29, 42.77% aged 30 to 64, 22.89% aged 65 to 84, and 2.59% were 85 years of age and older.

There are 285 less females than males in Siskiyou County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.68% females and 50.32% males in Siskiyou County, CA.
The Siskiyou County, CA gender ratio is 101.3:100 i.e. 101.3 men to 100 women (1.013).
For male population, the largest age group is 65-69 years with a population of 1,863.
For the female population, the largest age group is 65-69 years with a population of 2,090.

Siskiyou County's population has become increasingly diverse:

Racial distribution of Siskiyou County population: 81.79% are White, 1.73% are Black or African American, 3.37% are American Indian and Alaska Native, 1.47% are Asian, 0.39% are Native Hawaiian and other Pacific Islander, 2.31% are some other race and 8.95% are multiracial.
Siskiyou County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 5,87 is Hispanic or Latino (of any race), and 38,281 (86.70% of the total population) is Non-Hispanic.
The largest racial group in Siskiyou County is White with a population of 36,11 (81.79% of the total population).

Siskiyou County's population has already reached its peak and is showing a trend of decline:

The peak population was 44,941 in the year 2010
From 2000 to 2010, Siskiyou County's population increased by 747 (1.69%), as compared to the national growth of 9.63%.
From 2010 to 2020, Siskiyou County's population decreased by 950 (2.11%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Siskiyou County's population was lowest in year 2015 at 43,275.