Rock Island, IL population by gender
The table below shows Rock Island's population by gender
| Gender | Population | % of Total Population |
|---|---|---|
| Female | 18,800 | 50.45% |
| Male | 18,464 | 49.55% |
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Rock Island, IL population by gender, in percentage
The female percentage in the USA is 50.41% while the male percentage is 49.59%, compared to 50.45% females and 49.55% males in Rock Island, IL.
The above comparison shows there are more females than males in the Rock Island city as compared to the nation.
FIGURE 1
Rock Island, IL population by gender.
There is a slight majority of female population, with 50.45% of total population being female.
Rock Island, IL gender ratio
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
In Rock Island, IL, there are less men than women. The Rock Island, IL gender ratio is 98.2:100 i.e. 98.2 men to 100 women (0.982).
This ratio is lower than the national average of 98.4:100 i.e 98.4 men to 100 women (0.984).
Rock Island, IL gender ratio by age
In Rock Island, IL, the sex ratio for children under 18 years is 100.5 boys per 100 girls (100.5:100).Having said that, for seniors aged 80 and older, there are 63.3 males per 100 females (63.3:100).
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.
Rock Island, IL gender ratio by age
The table below lists the male and female population in each age group along with the gender ratio for Rock Island, IL.
| Age Group | Population (Male) | Population (Female) | Gender Ratio |
|---|---|---|---|
| Under 5 years | 1,344 | 1,072 | 1.25 |
| 5 to 9 years | 1,053 | 958 | 1.10 |
| 10 to 14 years | 1,141 | 1,358 | 0.84 |
| 15 to 19 years | 1,620 | 1,976 | 0.82 |
| 20 to 24 years | 1,876 | 1,543 | 1.22 |
| 25 to 29 years | 1,233 | 1,017 | 1.21 |
| 30 to 34 years | 1,368 | 1,080 | 1.27 |
| 35 to 39 years | 903 | 1,158 | 0.78 |
| 40 to 44 years | 1,088 | 874 | 1.24 |
| 45 to 49 years | 842 | 958 | 0.88 |
| 50 to 54 years | 951 | 884 | 1.08 |
| 55 to 59 years | 944 | 1,179 | 0.80 |
| 60 to 64 years | 1,320 | 1,164 | 1.13 |
| 65 to 69 years | 1,050 | 1,160 | 0.91 |
| 70 to 74 years | 714 | 866 | 0.82 |
| 75 to 79 years | 397 | 574 | 0.69 |
| 80 to 84 years | 357 | 433 | 0.82 |
| 85 years and over | 263 | 546 | 0.48 |
Interesting observation from the above table:
- The sex ratio at birth is 1.254 i.e. 125.4 boys per 100 girls.
- For the 60-64 years, the sex ratio is 1.134 i.e. 13.4 more men per 100 women.
- While for senior most population of 85+ age group, the sex ratio is 0.482 i.e. 48.2 senior men per 100 senior women.
Rock Island, IL population by gender & age
For male population, the largest age group is 20-24 years with a population of 1,876. Whereas, for the female population, the largest age group is 15-19 years with a population of 1,976.
As you can note from the above numbers, the largest age group for men and women are different.
FIGURE 2
Rock Island, IL population by gender and age.
Largest age group (population): Male # 20-24 years (1,876) | Female # 15-19 years (1,976).
Under the age of 5, there are 1,344 boys and 1,072 girls in Rock Island, IL. Thus there are 272 more boys than girls under the age of 5.
Between the age group of 60-64 years, there are 1,320 males and 1,164 females in Rock Island, IL. Thus there are 156 more males than females between the age of 60 and 64 years.
For the senior most age group of 85+ years, there are 263 males and 546 females.
Things to know
What percent of Rock Island, IL is female?
According to the ACS survey, of the total Rock Island, IL population of 37,264, 50.45% percent are females.
What percentage of Rock Island, IL is male?
According to the ACS survey, of the total Rock Island, IL population of 37,264, 49.55% percent are males.
What is the male to female ratio in Rock Island, IL?
In Rock Island, IL, the male to female ratio is 98.2:100 i.e. 98.2 men to 100 women (0.982).
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates