San Mateo County, CA population by gender
The table below shows San Mateo County's population by gender
| Gender | Population | % of Total Population |
|---|---|---|
| Female | 377,708 | 50.08% |
| Male | 376,542 | 49.92% |
TABLE OF CONTENTS
San Mateo County, CA population by gender, in percentage
The female percentage in the USA is 50.41% while the male percentage is 49.59%, compared to 50.08% females and 49.92% males in San Mateo County, CA.
The above comparison shows there are more females than males in the San Mateo County county as compared to the nation.
FIGURE 1
San Mateo County, CA population by gender.
There is a slight majority of female population, with 50.08% of total population being female.
San Mateo County, CA gender ratio
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
In San Mateo County, CA, there are less men than women. The San Mateo County, CA gender ratio is 99.7:100 i.e. 99.7 men to 100 women (0.997).
This ratio is higher than the national average of 98.4:100 i.e 98.4 men to 100 women (0.984).
San Mateo County, CA gender ratio by age
In San Mateo County, CA, the sex ratio for children under 18 years is 105.5 boys per 100 girls (105.5:100).Having said that, for seniors aged 80 and older, there are 65.5 males per 100 females (65.5:100).
On the national level, the sex ratio (male per 100 females) for under 18 age group is 104.9:100, and 63.4:100 for the senior population 80 years and older.
San Mateo County, CA gender ratio by age
The table below lists the male and female population in each age group along with the gender ratio for San Mateo County, CA.
| Age Group | Population (Male) | Population (Female) | Gender Ratio |
|---|---|---|---|
| Under 5 years | 20,501 | 19,238 | 1.07 |
| 5 to 9 years | 21,487 | 19,668 | 1.09 |
| 10 to 14 years | 21,764 | 21,215 | 1.03 |
| 15 to 19 years | 21,541 | 20,172 | 1.07 |
| 20 to 24 years | 21,128 | 19,719 | 1.07 |
| 25 to 29 years | 27,012 | 24,373 | 1.11 |
| 30 to 34 years | 30,600 | 27,727 | 1.10 |
| 35 to 39 years | 29,904 | 27,660 | 1.08 |
| 40 to 44 years | 25,881 | 26,000 | 1.00 |
| 45 to 49 years | 26,194 | 25,341 | 1.03 |
| 50 to 54 years | 25,695 | 25,605 | 1.00 |
| 55 to 59 years | 25,346 | 26,263 | 0.97 |
| 60 to 64 years | 23,127 | 23,569 | 0.98 |
| 65 to 69 years | 19,963 | 20,413 | 0.98 |
| 70 to 74 years | 13,853 | 17,834 | 0.78 |
| 75 to 79 years | 9,233 | 12,582 | 0.73 |
| 80 to 84 years | 6,510 | 8,769 | 0.74 |
| 85 years and over | 6,803 | 11,560 | 0.59 |
Interesting observation from the above table:
- The sex ratio at birth is 1.066 i.e. 106.6 boys per 100 girls.
- For the 60-64 years, the sex ratio is 0.981 i.e. 1.9 less men per 100 women.
- While for senior most population of 85+ age group, the sex ratio is 0.588 i.e. 58.8 senior men per 100 senior women.
San Mateo County, CA population by gender & age
For male population, the largest age group is 30-34 years with a population of 30,600. Whereas, for the female population, the largest age group is 30-34 years with a population of 27,727.
As you can note from the above numbers, the largest age group for men and women are same. The above comparison also shows that there are 2,873 less females than males, in the age group 30-34 years (The largest age group for both of the genders).
FIGURE 2
San Mateo County, CA population by gender and age.
Largest age group (population): Male # 30-34 years (30,600) | Female # 30-34 years (27,727).
Under the age of 5, there are 20,501 boys and 19,238 girls in San Mateo County, CA. Thus there are 1,263 more boys than girls under the age of 5.
Between the age group of 60-64 years, there are 23,127 males and 23,569 females in San Mateo County, CA. Thus there are 442 less males than females between the age of 60 and 64 years.
For the senior most age group of 85+ years, there are 6,803 males and 11,560 females.
Things to know
What percent of San Mateo County, CA is female?
According to the ACS survey, of the total San Mateo County, CA population of 754,250, 50.08% percent are females.
What percentage of San Mateo County, CA is male?
According to the ACS survey, of the total San Mateo County, CA population of 754,250, 49.92% percent are males.
What is the male to female ratio in San Mateo County, CA?
In San Mateo County, CA, the male to female ratio is 99.7:100 i.e. 99.7 men to 100 women (0.997).
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates