Flat Rock, Ohio Population & Demographics

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Statistic	Flat Rock	Ohio	National
Population	269	12,145,682	336,919,644
Population density (sq mi)	1,286	297	91
Median age	53.4	39.3	37.7
Male/Female ratio	0.4:1	1.0:1	1.0:1
Married (15yrs & older)	63%	56%	55%
Families w/ Kids under 18	75%	42%	43%
Speak English	81%	93%	79%
Speak Spanish	15%	2%	13%

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Homes For Sale In Flat Rock, OH

7959 County Road 29

Bellevue, OH

Demographics Quick Facts

The population density in Flat Rock is 333% higher than Ohio
The median age in Flat Rock is 36% higher than Ohio
In Flat Rock 76.63% of the population is White
In Flat Rock 2.30% of the population is Black
In Flat Rock 0.00% of the population is Asian

Compare Flat Rock, OH Demographics

Flat Rock racial demographics

Race	Flat Rock	Ohio	National
White	76.63%	82.16%	73.35%
Black	2.30%	12.27%	12.63%
Asian	0.00%	1.94%	5.22%
American Indian	0.00%	0.19%	0.82%
Native Hawaiian	0.00%	0.03%	0.18%
Mixed race	7.28%	2.57%	3.06%
Other race	13.79%	0.85%	4.75%

In Flat Rock, 14.2% 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, OH demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.