Flat Rock, IL Population

Overview

414

Total Population

34.4

Median age

55.07%

Female population %

81.6:100

Gender ratio (M:F)

30-34 years

Largest age group

58.0

Total dependency ratio

White

Largest racial group

Zero

Hispanic population

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

TABLE OF CONTENTS

Age

Flat Rock's population is young compared to the rest of the country:

The median age in Flat Rock is 34.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Flat Rock's population under 18 was 21.50%, compared to the 22.51% nationwide.
Flat Rock's elderly or the senior population (over 65 age) was 15.22% as compared to 16.04% nationwide.
Of the total population in Flat Rock, 21.50% were under the age of 15, 17.15% aged 15 to 29, 46.14% aged 30 to 64, 13.04% aged 65 to 84, and 2.17% were 85 years of age and older.

There are 42 more females than males in Flat Rock:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 55.07% females and 44.93% males in Flat Rock, IL.
The Flat Rock, IL gender ratio is 81.6:100 i.e. 81.6 men to 100 women (0.816).
For male population, the largest age group is 30-34 years with a population of 43.
For the female population, the largest age group is 5-9 years with a population of 43.

Flat Rock's population is not that diverse:

Racial distribution of Flat Rock population: 98.79% are White and 1.21% are multiracial.
Flat Rock'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 414 (100% of the total population) is Non-Hispanic.
The largest racial group in Flat Rock is White with a population of 409 (98.79% of the total population).

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

The peak population was 428 in the year 2001
From 2000 to 2010, Flat Rock's population decreased by 96 (22.48%), as compared to the national growth of 9.63%.
From 2010 to 2020, Flat Rock's population decreased by 7 (2.11%), 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, Flat Rock's population was lowest in year 2019 at 307.