Flat Rock, Illinois Population & Demographics

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Demographics Quick Facts

The population density in Flat Rock is 138% higher than Illinois
The median age in Flat Rock is 7% lower than Illinois
In Flat Rock 98.92% of the population is White
In Flat Rock 0.00% of the population is Black
In Flat Rock 0.00% of the population is Asian

Compare Flat Rock, IL Demographics

Flat Rock racial demographics

Race	Flat Rock	Illinois	National
White	98.92%	72.14%	73.35%
Black	0.00%	14.30%	12.63%
Asian	0.00%	5.10%	5.22%
American Indian	0.00%	0.23%	0.82%
Native Hawaiian	0.00%	0.03%	0.18%
Mixed race	1.08%	2.34%	3.06%
Other race	0.00%	5.86%	4.75%

In Flat Rock, 0.0% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

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Household income distribution

Place of birth by citizenship

Flat Rock age breakdown

Marital status

Age of children in married couples

Source: The Flat Rock, IL demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS).

Statistic	Flat Rock	Illinois	National
Population	464	12,671,821	328,239,523
Population density (sq mi)	542	228	91
Median age	34.7	37.4	37.7
Male/Female ratio	0.8:1	1.0:1	1.0:1
Married (15yrs & older)	73%	55%	55%
Families w/ Kids under 18	47%	44%	43%
Speak English	99%	77%	79%
Speak Spanish	1%	13%	13%