Rock City, IL Population

The population of Rock City is 315, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
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

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.
The graph shows Rock City's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Rock City, IL population by age group. The largest age group was 50-54 years with a poulation of 34 (10.79% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Rock City, IL population by age ➔

Gender

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.
The grouped bar chart shows Rock City, IL population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 50-54 years (24) | Female # 55-59 years (19). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Rock City, IL population by gender ➔

Race / Ethnicity

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).
The bar chart shows Rock City, IL population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
Rock City, IL population by race. The largest racial group in Rock City is White with a population of 3 (95.24% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Rock City, IL population by race ➔

Year by year

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.
The graph shows Rock City's population from 2000 to 2022, with years on x-axis and population on y-axis
Rock City's population from 2000 to 2022. The estimated population at the end of 2022 was 290. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Rock City, IL population by year ➔

References

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Rock City, IL Demographics

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Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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