Rock Valley, IA population by gender
The table below shows Rock Valley's population by gender
| Gender | Population | % of Total Population |
|---|---|---|
| Male | 1,945 | 48.08% |
| Female | 2,100 | 51.92% |
TABLE OF CONTENTS
Rock Valley, IA population by gender, in percentage
The female percentage in the USA is 50.41% while the male percentage is 49.59%, compared to 51.92% females and 48.08% males in Rock Valley, IA.
The above comparison shows there are more females than males in the Rock Valley city as compared to the nation.
FIGURE 1
Rock Valley, IA population by gender.
There is a slight majority of female population, with 51.92% of total population being female.
Rock Valley, IA gender ratio
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
In Rock Valley, IA, there are less men than women. The Rock Valley, IA gender ratio is 92.6:100 i.e. 92.6 men to 100 women (0.926).
This ratio is lower than the national average of 98.4:100 i.e 98.4 men to 100 women (0.984).
Rock Valley, IA gender ratio by age
In Rock Valley, IA, the sex ratio for children under 18 years is 108.7 boys per 100 girls (108.7:100).Having said that, for seniors aged 80 and older, there are 11.4 males per 100 females (11.4:100).
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 Valley, IA gender ratio by age
The table below lists the male and female population in each age group along with the gender ratio for Rock Valley, IA.
| Age Group | Population (Male) | Population (Female) | Gender Ratio |
|---|---|---|---|
| Under 5 years | 74 | 139 | 0.53 |
| 5 to 9 years | 206 | 138 | 1.49 |
| 10 to 14 years | 154 | 101 | 1.52 |
| 15 to 19 years | 65 | 139 | 0.47 |
| 20 to 24 years | 227 | 260 | 0.87 |
| 25 to 29 years | 123 | 6 | 20.50 |
| 30 to 34 years | 63 | 101 | 0.62 |
| 35 to 39 years | 121 | 59 | 2.05 |
| 40 to 44 years | 245 | 222 | 1.10 |
| 45 to 49 years | 51 | 123 | 0.41 |
| 50 to 54 years | 183 | 104 | 1.76 |
| 55 to 59 years | 14 | 118 | 0.12 |
| 60 to 64 years | 132 | 88 | 1.50 |
| 65 to 69 years | 53 | 153 | 0.35 |
| 70 to 74 years | 91 | 83 | 1.10 |
| 75 to 79 years | 123 | 90 | 1.37 |
| 80 to 84 years | 8 | 52 | 0.15 |
| 85 years and over | 12 | 124 | 0.10 |
Interesting observation from the above table:
- The sex ratio at birth is 0.532 i.e. 53.2 boys per 100 girls.
- For the 60-64 years, the sex ratio is 1.500 i.e. 50.0 more men per 100 women.
- While for senior most population of 85+ age group, the sex ratio is 0.097 i.e. 9.7 senior men per 100 senior women.
Rock Valley, IA population by gender & age
For male population, the largest age group is 40-44 years with a population of 245. Whereas, for the female population, the largest age group is 20-24 years with a population of 260.
As you can note from the above numbers, the largest age group for men and women are different.
FIGURE 2
Rock Valley, IA population by gender and age.
Largest age group (population): Male # 40-44 years (245) | Female # 20-24 years (260).
Under the age of 5, there are 74 boys and 139 girls in Rock Valley, IA. Thus there are 65 less boys than girls under the age of 5.
Between the age group of 60-64 years, there are 132 males and 88 females in Rock Valley, IA. Thus there are 44 more males than females between the age of 60 and 64 years.
For the senior most age group of 85+ years, there are 12 males and 124 females.
Things to know
What percent of Rock Valley, IA is female?
According to the ACS survey, of the total Rock Valley, IA population of 4,045, 51.92% percent are females.
What percentage of Rock Valley, IA is male?
According to the ACS survey, of the total Rock Valley, IA population of 4,045, 48.08% percent are males.
What is the male to female ratio in Rock Valley, IA?
In Rock Valley, IA, the male to female ratio is 92.6:100 i.e. 92.6 men to 100 women (0.926).
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates