Rock Valley, IA Population

Overview

4,018

Total Population

41.3

Median age

52.66%

Female population %

89.9:100

Gender ratio (M:F)

40-44 years

Largest age group

68.1

Total dependency ratio

White

Largest racial group

1,117

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Rock Valley's population is old compared to the rest of the country:

The median age in Rock Valley is 41.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Rock Valley's population under 18 was 26.93%, compared to the 22.51% nationwide.
Rock Valley's elderly or the senior population (over 65 age) was 18.67% as compared to 16.04% nationwide.
Of the total population in Rock Valley, 21.85% were under the age of 15, 19.11% aged 15 to 29, 40.37% aged 30 to 64, 14.93% aged 65 to 84, and 3.73% were 85 years of age and older.

There are 214 more females than males in Rock Valley:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 52.66% females and 47.34% males in Rock Valley, IA.
The Rock Valley, IA gender ratio is 89.9:100 i.e. 89.9 men to 100 women (0.899).
For male population, the largest age group is 40-44 years with a population of 264.
For the female population, the largest age group is 40-44 years with a population of 230.

Rock Valley's population is moderately diverse:

Racial distribution of Rock Valley population: 80.69% are White, 3.36% are some other race and 15.95% are multiracial.
Rock Valley's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 1,117 is Hispanic or Latino (of any race), and 2,901 (72.20% of the total population) is Non-Hispanic.
The largest racial group in Rock Valley is White with a population of 3,242 (80.69% of the total population).

Rock Valley's population has already reached its peak and is showing a trend of decline:

The peak population was 4,092 in the year 2021
From 2000 to 2010, Rock Valley's population increased by 615 (21.39%), as compared to the national growth of 9.63%.
From 2010 to 2020, Rock Valley's population increased by 581 (16.65%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Rock Valley's population was lowest in year 2000 at 2,875.