Flat Rock, OH Demographics

A map of Flat Rock's Population by Race

Flat Rock, Ohio has an estimated population of 340, a dramatic increase from the 227 recorded in the 2020 Census. The population is 78.2% White, 12.9% Multiracial, 6.5% Hispanic, 2.4% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Flat Rock, with one dot drawn for each person counted by the Census, color-coded by race.

Flat Rock has become considerably more racially diverse since the 2020 Census. It is less diverse than Ohio overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Flat Rock, that probability was 25.4% in 2020 and 36.6% in the most recent ACS estimates.

Flat Rock is ranked the 983rd most populous place in Ohio, out of 1,265 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Flat Rock was ranked the 1085th most populous place in the 2020 Census.

Flat Rock's White Population

266 residents of Flat Rock, or 78.2% of the population, identify as White. The share of White residents in Flat Rock is slightly higher than in Ohio overall, where 75.8% of the population is White. Flat Rock ranks 975th statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Flat Rock's White population has grown by an estimated 36.4%. White residents' share of Flat Rock's population has decreased from 85.9% to 78.2%.

Flat Rock is more White than neighboring Vickery (35.6% White), and Castalia (66.7% White). Flat Rock is less White than neighboring Bellevue (86.5% White), Clyde (94.1% White), and Monroeville (90.9% White).

Flat Rock's Black Population

8 residents of Flat Rock, or 2.4% of the population, identify as Black. The share of Black residents in Flat Rock is lower than in Ohio overall, where 12% of the population is Black. Flat Rock ranks 394th statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Flat Rock's Black population has grown by an estimated 100.0%. Black residents' share of Flat Rock's population has increased from 1.8% to 2.4%.

Flat Rock is more Black than neighboring Bellevue (1% Black), Clyde (0.1% Black), Monroeville (0% Black), Vickery (0% Black), and Castalia (0.3% Black).

Flat Rock's Asian Population

0 residents of Flat Rock, or 0.0% of the population, identify as Asian. The share of Asian residents in Flat Rock is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Flat Rock ranks 341st statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Flat Rock's Asian population has declined by an estimated 100.0%. Asian residents' share of Flat Rock's population has decreased from 0.9% to 0.0%.

Flat Rock is less Asian than neighboring Bellevue (0.7% Asian).

Flat Rock's Hispanic Population

22 residents of Flat Rock, or 6.5% of the population, identify as Hispanic. The share of Hispanic residents in Flat Rock is comparable to the share in Ohio overall, where 4.8% of the population is Hispanic. Flat Rock ranks 93rd statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Flat Rock's Hispanic population has grown by an estimated 29.4%. Hispanic residents' share of Flat Rock's population has decreased from 7.5% to 6.5%.

Flat Rock is more Hispanic than neighboring Clyde (4.7% Hispanic), Monroeville (2.4% Hispanic), and Castalia (4.6% Hispanic). Flat Rock is less Hispanic than neighboring Bellevue (9.3% Hispanic), and Vickery (64.4% Hispanic).

Flat Rock's Native American/Other Population

0 residents of Flat Rock, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Flat Rock is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Flat Rock ranks 1045th statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Flat Rock's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Flat Rock's population has remained roughly unchanged at 0.0%.

Flat Rock is less Native American/Other than neighboring Bellevue (0.7% Native American/Other), and Clyde (0.2% Native American/Other).

Flat Rock's Multiracial Population

44 residents of Flat Rock, or 12.9% of the population, identify as Multiracial. The share of Multiracial residents in Flat Rock is higher than in Ohio overall, where 4.3% of the population is Multiracial. Flat Rock ranks 613th statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Flat Rock's Multiracial population has grown by an estimated 388.9%. Multiracial residents' share of Flat Rock's population has increased from 4.0% to 12.9%.

Flat Rock is more Multiracial than neighboring Bellevue (1.8% Multiracial), Clyde (0.9% Multiracial), Monroeville (6.8% Multiracial), and Vickery (0% Multiracial). Flat Rock is less Multiracial than neighboring Castalia (28.5% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.