Keystone, IA population by gender
The table below shows Keystone's population by gender
| Gender | Population | % of Total Population |
|---|---|---|
| Male | 384 | 51.96% |
| Female | 355 | 48.04% |
TABLE OF CONTENTS
Keystone, IA population by gender, in percentage
The female percentage in the USA is 50.41% while the male percentage is 49.59%, compared to 48.04% females and 51.96% males in Keystone, IA.
The above comparison shows there are less females than males in the Keystone city as compared to the nation.
FIGURE 1
Keystone, IA population by gender.
There is a slight majority of male population, with 51.96% of total population being male.
Keystone, IA gender ratio
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
In Keystone, IA, there are more men than women. The Keystone, IA gender ratio is 108.2:100 i.e. 108.2 men to 100 women (1.082).
This ratio is higher than the national average of 98.4:100 i.e 98.4 men to 100 women (0.984).
Keystone, IA gender ratio by age
In Keystone, IA, the sex ratio for children under 18 years is 25 boys per 100 girls (25:100).Having said that, for seniors aged 80 and older, there are 37.3 males per 100 females (37.3:100).
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.
Keystone, IA gender ratio by age
The table below lists the male and female population in each age group along with the gender ratio for Keystone, IA.
| Age Group | Population (Male) | Population (Female) | Gender Ratio |
|---|---|---|---|
| Under 5 years | 17 | 6 | 2.83 |
| 5 to 9 years | 42 | 36 | 1.17 |
| 10 to 14 years | 34 | 9 | 3.78 |
| 15 to 19 years | 45 | 11 | 4.09 |
| 20 to 24 years | 20 | 27 | 0.74 |
| 25 to 29 years | 12 | 12 | 1.00 |
| 30 to 34 years | 26 | 72 | 0.36 |
| 35 to 39 years | 43 | 13 | 3.31 |
| 40 to 44 years | 17 | 16 | 1.06 |
| 45 to 49 years | 10 | 8 | 1.25 |
| 50 to 54 years | 14 | 10 | 1.40 |
| 55 to 59 years | 24 | 16 | 1.50 |
| 60 to 64 years | 24 | 22 | 1.09 |
| 65 to 69 years | 21 | 13 | 1.62 |
| 70 to 74 years | 4 | 6 | 0.67 |
| 75 to 79 years | 12 | 27 | 0.44 |
| 80 to 84 years | 12 | 8 | 1.50 |
| 85 years and over | 7 | 43 | 0.16 |
Interesting observation from the above table:
- The sex ratio at birth is 2.833 i.e. 283.3 boys per 100 girls.
- For the 60-64 years, the sex ratio is 1.091 i.e. 9.1 more men per 100 women.
- While for senior most population of 85+ age group, the sex ratio is 0.163 i.e. 16.3 senior men per 100 senior women.
Keystone, IA population by gender & age
For male population, the largest age group is 15-19 years with a population of 45. Whereas, for the female population, the largest age group is 30-34 years with a population of 72.
As you can note from the above numbers, the largest age group for men and women are different.
FIGURE 2
Keystone, IA population by gender and age.
Largest age group (population): Male # 15-19 years (45) | Female # 30-34 years (72).
Under the age of 5, there are 17 boys and 6 girls in Keystone, IA. Thus there are 11 more boys than girls under the age of 5.
Between the age group of 60-64 years, there are 24 males and 22 females in Keystone, IA. Thus there are 2 more males than females between the age of 60 and 64 years.
For the senior most age group of 85+ years, there are 7 males and 43 females.
Things to know
What percent of Keystone, IA is female?
According to the ACS survey, of the total Keystone, IA population of 739, 48.04% percent are females.
What percentage of Keystone, IA is male?
According to the ACS survey, of the total Keystone, IA population of 739, 51.96% percent are males.
What is the male to female ratio in Keystone, IA?
In Keystone, IA, the male to female ratio is 108.2:100 i.e. 108.2 men to 100 women (1.082).
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates