Islip, New York population by gender
The table below shows Islip town's population by gender
Gender | Population | % of Total Population |
---|---|---|
Female | 169,870 | 50.02% |
Male | 169,726 | 49.98% |
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Islip, 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 50.02% females and 49.98% males in Islip, New York.
The above comparison shows there are more females than males in the Islip town town as compared to the nation.

Islip, New York gender ratio
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
In Islip, New York, there are less men than women. The Islip, New York gender ratio is 99.9:100 i.e. 99.9 men to 100 women (0.999).
This ratio is higher than the national average of 98:100 i.e 98 men to 100 women (0.980).
Islip, New York gender ratio by age
In Islip, New York, the sex ratio for children under 18 years is 108.9 boys per 100 girls (108.9:100).Having said that, for seniors aged 80 and older, there are 57.5 males per 100 females (57.5:100).
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 Islip, New York.
Age Group | Population (Male) | Population (Female) | Gender Ratio |
---|---|---|---|
Under 5 years | 11,026 | 9,194 | 1.20 |
5 to 9 years | 10,125 | 10,009 | 1.01 |
10 to 14 years | 11,717 | 10,238 | 1.14 |
15 to 19 years | 10,860 | 10,795 | 1.01 |
20 to 24 years | 10,829 | 11,403 | 0.95 |
25 to 29 years | 12,426 | 11,830 | 1.05 |
30 to 34 years | 11,818 | 10,496 | 1.13 |
35 to 39 years | 11,680 | 11,149 | 1.05 |
40 to 44 years | 11,438 | 10,830 | 1.06 |
45 to 49 years | 11,937 | 10,861 | 1.10 |
50 to 54 years | 12,458 | 13,385 | 0.93 |
55 to 59 years | 12,142 | 12,168 | 1.00 |
60 to 64 years | 10,941 | 11,455 | 0.96 |
65 to 69 years | 7,460 | 7,245 | 1.03 |
70 to 74 years | 5,647 | 6,648 | 0.85 |
75 to 79 years | 3,055 | 4,914 | 0.62 |
80 to 84 years | 2,312 | 3,056 | 0.76 |
85 years and over | 1,855 | 4,194 | 0.44 |
Interesting observation from the above table:
- The sex ratio at birth is 1.199 i.e. 119.9 boys per 100 girls.
- For the 60-64 years, the sex ratio is 0.955 i.e. 4.5 less men per 100 women.
- While for senior most population of 85+ age group, the sex ratio is 0.442 i.e. 44.2 senior men per 100 senior women.
Islip, New York population by gender & age
For male population, the largest age group is 50-54 years with a population of 12,458. Whereas, for the female population, the largest age group is 50-54 years with a population of 13,385.
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 927 more females than males, in the age group 50-54 years (The largest age group for both of the genders).

Under the age of 5, there are 11,026 boys and 9,194 girls in Islip, New York. Thus there are 1,832 more boys than girls under the age of 5.
Between the age group of 60-64 years, there are 10,941 males and 11,455 females in Islip, New York. Thus there are 514 less males than females between the age of 60 and 64 years.
For the senior most age group of 85+ years, there are 1,855 males and 4,194 females.
Things to know
What percent of Islip, New York is female?
According to the ACS survey, of the total Islip, New York population of 339,596, 50.02% percent are females.
What percentage of Islip, New York is male?
According to the ACS survey, of the total Islip, New York population of 339,596, 49.98% percent are males.
What is the male to female ratio in Islip, New York?
In Islip, New York, the male to female ratio is 99.9:100 i.e. 99.9 men to 100 women (0.999).
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates