Half Moon Bay, CA population age distributions
A complete breakdown of Half Moon Bay'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 | 738 | 6.44% |
| 5 to 9 years | 730 | 6.37% |
| 10 to 14 years | 601 | 5.25% |
| 15 to 19 years | 557 | 4.86% |
| 20 to 24 years | 821 | 7.17% |
| 25 to 29 years | 495 | 4.32% |
| 30 to 34 years | 493 | 4.3% |
| 35 to 39 years | 366 | 3.2% |
| 40 to 44 years | 732 | 6.39% |
| 45 to 49 years | 569 | 4.97% |
| 50 to 54 years | 969 | 8.46% |
| 55 to 59 years | 979 | 8.55% |
| 60 to 64 years | 903 | 7.88% |
| 65 to 69 years | 905 | 7.9% |
| 70 to 74 years | 625 | 5.46% |
| 75 to 79 years | 391 | 3.41% |
| 80 to 84 years | 320 | 2.79% |
| 85 years and over | 260 | 2.27% |
TABLE OF CONTENTS
Half Moon Bay, CA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023
FIGURE 1
Half Moon Bay, CA population by age group.
The largest age group is 55 to 59 years with a population of 979 (8.55% of the total population).
The largest age group in Half Moon Bay, CA was for the group of age 55 to 59 years with a population of 979 (8.55%), according to the 2019-2023 American Community Survey.
At the same time, the smallest age group in Half Moon Bay, CA was the 85 years and over with a population of 260 (2.27%).
Half Moon Bay, CA population by age cohort
To better understand the age distribution of Half Moon Bay, 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
Half Moon Bay, CA population by age cohort
The largest age group was 18 to 64 years with a population of 6,550 (57.19% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Half Moon Bay 's population under 18 was 20.98%, compared to the 22.16% nationwide.
- Half Moon Bay's working population (between 18 and 64) was 57.19%, compared to 61% nationwide.
- Half Moon Bay's elderly or the senior population (over 65 age) was 21.84% as compared to 16.84% nationwide.
Half Moon Bay, CA population pyramid
Population pyramid for Half Moon Bay, 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 Half Moon Bay's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Half Moon Bay, CA, is 30.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Half Moon Bay, CA, is 36.3.
- Total dependency ratio for Half Moon Bay, CA is 66.4.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Half Moon Bay, CA is 2.8.
FIGURE 3
Half Moon Bay, CA population pyramid
Half Moon Bay population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Half Moon Bay, CA population pyramid
Here's the Half Moon Bay, CA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 366 | 372 | 738 |
| 5 to 9 years | 398 | 332 | 730 |
| 10 to 14 years | 266 | 335 | 601 |
| 15 to 19 years | 199 | 358 | 557 |
| 20 to 24 years | 283 | 538 | 821 |
| 25 to 29 years | 179 | 316 | 495 |
| 30 to 34 years | 207 | 286 | 493 |
| 35 to 39 years | 153 | 213 | 366 |
| 40 to 44 years | 378 | 354 | 732 |
| 45 to 49 years | 287 | 282 | 569 |
| 50 to 54 years | 492 | 477 | 969 |
| 55 to 59 years | 597 | 382 | 979 |
| 60 to 64 years | 383 | 520 | 903 |
| 65 to 69 years | 485 | 420 | 905 |
| 70 to 74 years | 161 | 464 | 625 |
| 75 to 79 years | 189 | 202 | 391 |
| 80 to 84 years | 158 | 162 | 320 |
| 85 years and over | 86 | 174 | 260 |
Things to know
What is the population of Half Moon Bay, CA under 18?
Half Moon Bay's population under the age of 18 is 2,403, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 20.98% of the total resident population of Half Moon Bay, CA.
What is the aging population in Half Moon Bay, CA?
Half Moon Bay's population aged 65 years and above was 2,501. As per the U.S. Census Bureau's American Community Survey, this population is 21.84% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates
