Napa County, CA Population

Overview

138,795

Total Population

42.1

Median age

49.90%

Female population %

100.4:100

Gender ratio (M:F)

55-59 years

Largest age group

55.7

Total dependency ratio

White

Largest racial group

48,198

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Napa County is 42.1, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Napa County's population under 18 was 20.46%, compared to the 22.51% nationwide.
Napa County's elderly or the senior population (over 65 age) was 19.28% as compared to 16.04% nationwide.
Of the total population in Napa County, 16.50% were under the age of 15, 18.50% aged 15 to 29, 45.72% aged 30 to 64, 16.94% aged 65 to 84, and 2.34% were 85 years of age and older.

There are 285 less females than males in Napa County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.90% females and 50.10% males in Napa County, CA.
The Napa County, CA gender ratio is 100.4:100 i.e. 100.4 men to 100 women (1.004).
For male population, the largest age group is 60-64 years with a population of 4,782.
For the female population, the largest age group is 55-59 years with a population of 5,105.

Napa County's population has become increasingly diverse:

Racial distribution of Napa County population: 66.95% are White, 2.05% are Black or African American, 0.80% are American Indian and Alaska Native, 7.77% are Asian, 0.22% are Native Hawaiian and other Pacific Islander, 12.54% are some other race and 9.66% are multiracial.
Napa County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 48,198 is Hispanic or Latino (of any race), and 90,597 (65.27% of the total population) is Non-Hispanic.
The largest racial group in Napa County is White with a population of 92,927 (66.95% of the total population).

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

The peak population was 140,778 in the year 2016
From 2000 to 2010, Napa County's population increased by 12,148 (9.75%), as compared to the national growth of 9.63%.
From 2010 to 2020, Napa County's population increased by 733 (0.54%), 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, Napa County's population was lowest in year 2000 at 124,604.