Napa County, CA population age distributions
A complete breakdown of Napa County's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 6,221 | 4.57% |
| 5 to 9 years | 6,888 | 5.06% |
| 10 to 14 years | 8,490 | 6.24% |
| 15 to 19 years | 8,722 | 6.41% |
| 20 to 24 years | 7,912 | 5.81% |
| 25 to 29 years | 8,110 | 5.96% |
| 30 to 34 years | 8,364 | 6.15% |
| 35 to 39 years | 8,938 | 6.57% |
| 40 to 44 years | 8,673 | 6.37% |
| 45 to 49 years | 8,495 | 6.24% |
| 50 to 54 years | 8,841 | 6.5% |
| 55 to 59 years | 9,466 | 6.96% |
| 60 to 64 years | 8,933 | 6.57% |
| 65 to 69 years | 7,906 | 5.81% |
| 70 to 74 years | 7,770 | 5.71% |
| 75 to 79 years | 5,350 | 3.93% |
| 80 to 84 years | 3,359 | 2.47% |
| 85 years and over | 3,632 | 2.67% |
TABLE OF CONTENTS
Napa County, CA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023
FIGURE 1
Napa County, CA population by age group.
The largest age group is 55 to 59 years with a population of 9,466 (6.96% of the total population).
The largest age group in Napa County, CA was for the group of age 55 to 59 years with a population of 9,466 (6.96%), according to the 2019-2023 American Community Survey.
At the same time, the smallest age group in Napa County, CA was the 80 to 84 years with a population of 3,359 (2.47%).
Napa County, CA population by age cohort
To better understand the age distribution of Napa County, CA's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Napa County, CA population by age cohort
The largest age group was 18 to 64 years with a population of 81,030 (59.55% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Napa County 's population under 18 was 19.86%, compared to the 22.16% nationwide.
- Napa County's working population (between 18 and 64) was 59.55%, compared to 61% nationwide.
- Napa County's elderly or the senior population (over 65 age) was 20.59% as compared to 16.84% nationwide.
Napa County, CA population pyramid
Population pyramid for Napa County, CA is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Napa County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Napa County, CA, is 25.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Napa County, CA, is 32.4.
- Total dependency ratio for Napa County, CA is 57.4.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Napa County, CA is 3.1.
FIGURE 3
Napa County, CA population pyramid
Napa County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Napa County, CA population pyramid
Here's the Napa County, CA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 3,179 | 3,042 | 6,221 |
| 5 to 9 years | 3,755 | 3,133 | 6,888 |
| 10 to 14 years | 4,121 | 4,369 | 8,490 |
| 15 to 19 years | 4,475 | 4,247 | 8,722 |
| 20 to 24 years | 4,099 | 3,813 | 7,912 |
| 25 to 29 years | 4,165 | 3,945 | 8,110 |
| 30 to 34 years | 4,227 | 4,137 | 8,364 |
| 35 to 39 years | 4,413 | 4,525 | 8,938 |
| 40 to 44 years | 4,607 | 4,066 | 8,673 |
| 45 to 49 years | 4,317 | 4,178 | 8,495 |
| 50 to 54 years | 4,383 | 4,458 | 8,841 |
| 55 to 59 years | 4,520 | 4,946 | 9,466 |
| 60 to 64 years | 4,680 | 4,253 | 8,933 |
| 65 to 69 years | 3,780 | 4,126 | 7,906 |
| 70 to 74 years | 3,762 | 4,008 | 7,770 |
| 75 to 79 years | 2,659 | 2,691 | 5,350 |
| 80 to 84 years | 1,586 | 1,773 | 3,359 |
| 85 years and over | 1,365 | 2,267 | 3,632 |
Things to know
What is the population of Napa County, CA under 18?
Napa County's population under the age of 18 is 27,023, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.86% of the total resident population of Napa County, CA.
What is the aging population in Napa County, CA?
Napa County's population aged 65 years and above was 28,017. As per the U.S. Census Bureau's American Community Survey, this population is 20.59% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates
