Rock Island County, IL population by gender
The table below shows Rock Island County's population by gender
| Gender | Population | % of Total Population |
|---|---|---|
| Female | 72,501 | 50.41% |
| Male | 71,318 | 49.59% |
TABLE OF CONTENTS
Rock Island County, IL population by gender, in percentage
The female percentage in the USA is 50.41% while the male percentage is 49.59%, compared to 50.41% females and 49.59% males in Rock Island County, IL.
The above comparison shows there are more females than males in the Rock Island County county as compared to the nation.
FIGURE 1
Rock Island County, IL population by gender.
There is a slight majority of female population, with 50.41% of total population being female.
Rock Island County, IL gender ratio
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
In Rock Island County, IL, there are less men than women. The Rock Island County, IL gender ratio is 98.4:100 i.e. 98.4 men to 100 women (0.984).
This ratio is lower than the national average of 98.4:100 i.e 98.4 men to 100 women (0.984).
Rock Island County, IL gender ratio by age
In Rock Island County, IL, the sex ratio for children under 18 years is 105.8 boys per 100 girls (105.8:100).Having said that, for seniors aged 80 and older, there are 70.6 males per 100 females (70.6:100).
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 County, 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 County, IL.
| Age Group | Population (Male) | Population (Female) | Gender Ratio |
|---|---|---|---|
| Under 5 years | 4,412 | 4,059 | 1.09 |
| 5 to 9 years | 4,544 | 4,361 | 1.04 |
| 10 to 14 years | 4,726 | 4,526 | 1.04 |
| 15 to 19 years | 4,839 | 4,566 | 1.06 |
| 20 to 24 years | 4,622 | 4,376 | 1.06 |
| 25 to 29 years | 4,295 | 4,380 | 0.98 |
| 30 to 34 years | 4,430 | 4,259 | 1.04 |
| 35 to 39 years | 4,664 | 4,530 | 1.03 |
| 40 to 44 years | 4,341 | 3,864 | 1.12 |
| 45 to 49 years | 4,213 | 3,967 | 1.06 |
| 50 to 54 years | 4,209 | 4,123 | 1.02 |
| 55 to 59 years | 4,339 | 4,909 | 0.88 |
| 60 to 64 years | 5,034 | 4,795 | 1.05 |
| 65 to 69 years | 3,882 | 4,966 | 0.78 |
| 70 to 74 years | 3,768 | 3,709 | 1.02 |
| 75 to 79 years | 2,107 | 3,014 | 0.70 |
| 80 to 84 years | 1,688 | 1,842 | 0.92 |
| 85 years and over | 1,205 | 2,255 | 0.53 |
Interesting observation from the above table:
- The sex ratio at birth is 1.087 i.e. 108.7 boys per 100 girls.
- For the 60-64 years, the sex ratio is 1.050 i.e. 5.0 more men per 100 women.
- While for senior most population of 85+ age group, the sex ratio is 0.534 i.e. 53.4 senior men per 100 senior women.
Rock Island County, IL population by gender & age
For male population, the largest age group is 60-64 years with a population of 5,034. Whereas, for the female population, the largest age group is 65-69 years with a population of 4,966.
As you can note from the above numbers, the largest age group for men and women are different.
FIGURE 2
Rock Island County, IL population by gender and age.
Largest age group (population): Male # 60-64 years (5,034) | Female # 65-69 years (4,966).
Under the age of 5, there are 4,412 boys and 4,059 girls in Rock Island County, IL. Thus there are 353 more boys than girls under the age of 5.
Between the age group of 60-64 years, there are 5,034 males and 4,795 females in Rock Island County, IL. Thus there are 239 more males than females between the age of 60 and 64 years.
For the senior most age group of 85+ years, there are 1,205 males and 2,255 females.
Things to know
What percent of Rock Island County, IL is female?
According to the ACS survey, of the total Rock Island County, IL population of 143,819, 50.41% percent are females.
What percentage of Rock Island County, IL is male?
According to the ACS survey, of the total Rock Island County, IL population of 143,819, 49.59% percent are males.
What is the male to female ratio in Rock Island County, IL?
In Rock Island County, IL, the male to female ratio is 98.4:100 i.e. 98.4 men to 100 women (0.984).
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates