Brookhaven, New York population by gender
The table below shows Brookhaven town's population by gender
Gender | Population | % of Total Population |
---|---|---|
Female | 246,385 | 50.70% |
Male | 239,599 | 49.30% |
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Brookhaven, New York population by gender, in percentage
The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.70% females and 49.30% males in Brookhaven, New York.
The above comparison shows there are more females than males in the Brookhaven town town as compared to the nation.

Brookhaven, New York gender ratio
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
In Brookhaven, New York, there are less men than women. The Brookhaven, New York gender ratio is 97.2:100 i.e. 97.2 men to 100 women (0.972).
This ratio is lower than the national average of 98:100 i.e 98 men to 100 women (0.980).
Brookhaven, New York gender ratio by age
In Brookhaven, New York, the sex ratio for children under 18 years is 101.5 boys per 100 girls (101.5:100).Having said that, for seniors aged 80 and older, there are 59.3 males per 100 females (59.3:100).
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 Brookhaven, New York.
Age Group | Population (Male) | Population (Female) | Gender Ratio |
---|---|---|---|
Under 5 years | 12,541 | 12,425 | 1.01 |
5 to 9 years | 13,230 | 12,825 | 1.03 |
10 to 14 years | 15,973 | 16,249 | 0.98 |
15 to 19 years | 18,529 | 18,077 | 1.02 |
20 to 24 years | 16,528 | 17,745 | 0.93 |
25 to 29 years | 15,889 | 14,957 | 1.06 |
30 to 34 years | 14,397 | 13,875 | 1.04 |
35 to 39 years | 15,013 | 13,651 | 1.10 |
40 to 44 years | 13,739 | 14,843 | 0.93 |
45 to 49 years | 15,462 | 17,055 | 0.91 |
50 to 54 years | 18,848 | 17,849 | 1.06 |
55 to 59 years | 19,121 | 17,312 | 1.10 |
60 to 64 years | 15,793 | 16,120 | 0.98 |
65 to 69 years | 11,949 | 13,085 | 0.91 |
70 to 74 years | 9,812 | 11,688 | 0.84 |
75 to 79 years | 6,342 | 7,784 | 0.81 |
80 to 84 years | 3,418 | 4,708 | 0.73 |
85 years and over | 3,015 | 6,137 | 0.49 |
Interesting observation from the above table:
- The sex ratio at birth is 1.009 i.e. 100.9 boys per 100 girls.
- For the 60-64 years, the sex ratio is 0.980 i.e. 2.0 less men per 100 women.
- While for senior most population of 85+ age group, the sex ratio is 0.491 i.e. 49.1 senior men per 100 senior women.
Brookhaven, New York population by gender & age
For male population, the largest age group is 55-59 years with a population of 19,121. Whereas, for the female population, the largest age group is 15-19 years with a population of 18,077.
As you can note from the above numbers, the largest age group for men and women are different.

Under the age of 5, there are 12,541 boys and 12,425 girls in Brookhaven, New York. Thus there are 116 more boys than girls under the age of 5.
Between the age group of 60-64 years, there are 15,793 males and 16,120 females in Brookhaven, New York. Thus there are 327 less males than females between the age of 60 and 64 years.
For the senior most age group of 85+ years, there are 3,015 males and 6,137 females.
Things to know
What percent of Brookhaven, New York is female?
According to the ACS survey, of the total Brookhaven, New York population of 485,984, 50.70% percent are females.
What percentage of Brookhaven, New York is male?
According to the ACS survey, of the total Brookhaven, New York population of 485,984, 49.30% percent are males.
What is the male to female ratio in Brookhaven, New York?
In Brookhaven, New York, the male to female ratio is 97.2:100 i.e. 97.2 men to 100 women (0.972).
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates