Mendocino County, CA Population

Overview

91,534

Total Population

43.6

Median age

50.27%

Female population %

98.9:100

Gender ratio (M:F)

65-69 years

Largest age group

67.2

Total dependency ratio

White

Largest racial group

24,068

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Mendocino County is 43.6, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Mendocino County's population under 18 was 21.40%, compared to the 22.51% nationwide.
Mendocino County's elderly or the senior population (over 65 age) was 22.39% as compared to 16.04% nationwide.
Of the total population in Mendocino County, 17.79% were under the age of 15, 16.32% aged 15 to 29, 43.49% aged 30 to 64, 20.39% aged 65 to 84, and 2.00% were 85 years of age and older.

There are 486 more females than males in Mendocino County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.27% females and 49.73% males in Mendocino County, CA.
The Mendocino County, CA gender ratio is 98.9:100 i.e. 98.9 men to 100 women (0.989).
For male population, the largest age group is 70-74 years with a population of 3,320.
For the female population, the largest age group is 65-69 years with a population of 3,716.

Mendocino County's population has become increasingly diverse:

Racial distribution of Mendocino County population: 77.35% are White, 0.69% are Black or African American, 4.04% are American Indian and Alaska Native, 2.21% are Asian, 0.14% are Native Hawaiian and other Pacific Islander, 6.62% are some other race and 8.96% are multiracial.
Mendocino County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 24,068 is Hispanic or Latino (of any race), and 67,466 (73.71% of the total population) is Non-Hispanic.
The largest racial group in Mendocino County is White with a population of 70,801 (77.35% of the total population).

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

The peak population was 91,361 in the year 2020
From 2000 to 2010, Mendocino County's population increased by 1,423 (1.65%), as compared to the national growth of 9.63%.
From 2010 to 2020, Mendocino County's population increased by 3,565 (4.06%), 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, Mendocino County's population was lowest in year 2007 at 85,993.