Rock City, IL Population

Overview

315

Total Population

40.0

Median age

50.79%

Female population %

96.9:100

Gender ratio (M:F)

50-54 years

Largest age group

55.2

Total dependency ratio

White

Largest racial group

Zero

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Rock City is 40.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Rock City's population under 18 was 24.76%, compared to the 22.51% nationwide.
Rock City's elderly or the senior population (over 65 age) was 15.56% as compared to 16.04% nationwide.
Of the total population in Rock City, 20.00% were under the age of 15, 18.73% aged 15 to 29, 45.71% aged 30 to 64, 14.29% aged 65 to 84, and 1.27% were 85 years of age and older.

There are 5 more females than males in Rock City:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.79% females and 49.21% males in Rock City, IL.
The Rock City, IL gender ratio is 96.9:100 i.e. 96.9 men to 100 women (0.969).
For male population, the largest age group is 50-54 years with a population of 24.
For the female population, the largest age group is 55-59 years with a population of 19.

Rock City's population is moderately diverse:

Racial distribution of Rock City population: 95.24% are White, 2.22% are American Indian and Alaska Native and 2.54% are multiracial.
Rock City's racial breakdown clearly shows that there is an absolute majority of White population in the village.
By ethnicity, Zero is Hispanic or Latino (of any race), and 315 (100% of the total population) is Non-Hispanic.
The largest racial group in Rock City is White with a population of 3 (95.24% of the total population).

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

The peak population was 334 in the year 2009
From 2000 to 2010, Rock City's population decreased by 24 (7.34%), as compared to the national growth of 9.63%.
From 2010 to 2020, Rock City's population decreased by 8 (2.64%), 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 City's population was lowest in year 2019 at 282.