Redwood City, CA population by gender
The table below shows Redwood City's population by gender
Gender | Population | % of Total Population |
---|---|---|
Male | 42,297 | 50.41% |
Female | 41,608 | 49.59% |
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Redwood City, CA population by gender, in percentage
The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.59% females and 50.41% males in Redwood City, CA.
The above comparison shows there are more females than males in the Redwood City city as compared to the nation.

Redwood City, CA gender ratio
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
In Redwood City, CA, there are more men than women. The Redwood City, CA gender ratio is 101.7:100 i.e. 101.7 men to 100 women (1.017).
This ratio is higher than the national average of 98:100 i.e 98 men to 100 women (0.980).
Redwood City, CA gender ratio by age
In Redwood City, CA, the sex ratio for children under 18 years is 111.4 boys per 100 girls (111.4:100).Having said that, for seniors aged 80 and older, there are 59.2 males per 100 females (59.2:100).
On the national level, the sex ratio (male per 100 females) for under 18 age group is 104.8:100, and 64.5:100 for the senior population 80 years and older.
The table below lists the male and female population in each age group along with the gender ratio for Redwood City, CA.
Age Group | Population (Male) | Population (Female) | Gender Ratio |
---|---|---|---|
Under 5 years | 2,158 | 2,479 | 0.87 |
5 to 9 years | 2,657 | 2,457 | 1.08 |
10 to 14 years | 2,873 | 2,460 | 1.17 |
15 to 19 years | 2,649 | 1,954 | 1.36 |
20 to 24 years | 1,999 | 2,156 | 0.93 |
25 to 29 years | 3,619 | 3,075 | 1.18 |
30 to 34 years | 4,390 | 3,802 | 1.15 |
35 to 39 years | 3,682 | 3,549 | 1.04 |
40 to 44 years | 2,614 | 3,223 | 0.81 |
45 to 49 years | 3,262 | 2,600 | 1.25 |
50 to 54 years | 3,034 | 2,700 | 1.12 |
55 to 59 years | 2,533 | 2,777 | 0.91 |
60 to 64 years | 2,050 | 2,376 | 0.86 |
65 to 69 years | 1,823 | 1,758 | 1.04 |
70 to 74 years | 1,303 | 1,596 | 0.82 |
75 to 79 years | 683 | 1,011 | 0.68 |
80 to 84 years | 403 | 589 | 0.68 |
85 years and over | 565 | 1,046 | 0.54 |
Interesting observation from the above table:
- The sex ratio at birth is 0.871 i.e. 87.1 boys per 100 girls.
- For the 60-64 years, the sex ratio is 0.863 i.e. 13.7 less men per 100 women.
- While for senior most population of 85+ age group, the sex ratio is 0.540 i.e. 54 senior men per 100 senior women.
Redwood City, CA population by gender & age
For male population, the largest age group is 30-34 years with a population of 4,390. Whereas, for the female population, the largest age group is 30-34 years with a population of 3,802.
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 588 less females than males, in the age group 30-34 years (The largest age group for both of the genders).

Under the age of 5, there are 2,158 boys and 2,479 girls in Redwood City, CA. Thus there are 321 less boys than girls under the age of 5.
Between the age group of 60-64 years, there are 2,050 males and 2,376 females in Redwood City, CA. Thus there are 326 less males than females between the age of 60 and 64 years.
For the senior most age group of 85+ years, there are 565 males and 1,046 females.
Things to know
What percent of Redwood City, CA is female?
According to the ACS survey, of the total Redwood City, CA population of 83,905, 49.59% percent are females.
What percentage of Redwood City, CA is male?
According to the ACS survey, of the total Redwood City, CA population of 83,905, 50.41% percent are males.
What is the male to female ratio in Redwood City, CA?
In Redwood City, CA, the male to female ratio is 101.7:100 i.e. 101.7 men to 100 women (1.017).
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates