Plumas County, CA Population

Overview

19,631

Total Population

51.8

Median age

49.50%

Female population %

102:100

Gender ratio (M:F)

65-69 years

Largest age group

73.9

Total dependency ratio

White

Largest racial group

1,889

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Plumas County is 51.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Plumas County's population under 18 was 17.43%, compared to the 22.51% nationwide.
Plumas County's elderly or the senior population (over 65 age) was 28.25% as compared to 16.04% nationwide.
Of the total population in Plumas County, 14.24% were under the age of 15, 13.51% aged 15 to 29, 44.00% aged 30 to 64, 26.24% aged 65 to 84, and 2.01% were 85 years of age and older.

There are 195 less females than males in Plumas County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.50% females and 50.50% males in Plumas County, CA.
The Plumas County, CA gender ratio is 102:100 i.e. 102 men to 100 women (1.020).
For male population, the largest age group is 65-69 years with a population of 976.
For the female population, the largest age group is 60-64 years with a population of 1,067.

Plumas County's population has become increasingly diverse:

Racial distribution of Plumas County population: 88.64% are White, 1.75% are Black or African American, 1.88% are American Indian and Alaska Native, 0.71% are Asian, 0.14% are Native Hawaiian and other Pacific Islander, 0.77% are some other race and 6.11% are multiracial.
Plumas County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,889 is Hispanic or Latino (of any race), and 17,742 (90.38% of the total population) is Non-Hispanic.
The largest racial group in Plumas County is White with a population of 17,401 (88.64% of the total population).

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

The peak population was 21,015 in the year 2005
From 2000 to 2010, Plumas County's population decreased by 806 (3.89%), as compared to the national growth of 9.63%.
From 2010 to 2020, Plumas County's population decreased by 166 (0.83%), 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, Plumas County's population was lowest in year 2015 at 18,435.