Flat Rock, MI Demographics

A map of Flat Rock's Population by Race

Flat Rock, Michigan has an estimated population of 10,340, a slight decrease from the 10,541 recorded in the 2020 Census. The population is 78.3% White, 8.0% Black, 7.4% Hispanic, 4.9% Multiracial, 1.3% Native American/Other, and 0.1% Asian. 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 more racially diverse since the 2020 Census. It is considerably less diverse than Michigan 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 32.8% in 2020 and 37.3% in the most recent ACS estimates.

Flat Rock is ranked the 99th most populous place in Michigan, out of 745 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 97th most populous place in the 2020 Census.

Flat Rock's White Population

8,093 residents of Flat Rock, or 78.3% of the population, identify as White. The share of White residents in Flat Rock is higher than in Michigan overall, where 72.4% of the population is White. Flat Rock ranks 603rd statewide in terms of White residents as a share of the population, out of 745 places.

Since the 2020 Census, Flat Rock's White population has declined by an estimated 5.6%. White residents' share of Flat Rock's population has decreased from 81.4% to 78.3%.

Flat Rock is more White than neighboring Woodhaven (76.4% White). Flat Rock is less White than neighboring South Rockwood (89.8% White), Rockwood (83.3% White), Gibraltar (89.6% White), and Trenton (86.8% White).

Flat Rock's Black Population

828 residents of Flat Rock, or 8.0% of the population, identify as Black. The share of Black residents in Flat Rock is lower than in Michigan overall, where 13.1% of the population is Black. Flat Rock ranks 108th statewide in terms of Black residents as a share of the population, out of 745 places.

Since the 2020 Census, Flat Rock's Black population has grown by an estimated 43.3%. Black residents' share of Flat Rock's population has increased from 5.5% to 8.0%.

Flat Rock is more Black than neighboring South Rockwood (0.9% Black), Rockwood (0.3% Black), Woodhaven (7% Black), Gibraltar (2.2% Black), and Trenton (2.7% Black).

Flat Rock's Asian Population

10 residents of Flat Rock, or 0.1% of the population, identify as Asian. The share of Asian residents in Flat Rock is slightly lower than in Michigan overall, where 3.4% of the population is Asian. Flat Rock ranks 228th statewide in terms of Asian residents as a share of the population, out of 745 places.

Since the 2020 Census, Flat Rock's Asian population has declined by an estimated 87.3%. Asian residents' share of Flat Rock's population has decreased from 0.7% to 0.1%.

Flat Rock is more Asian than neighboring South Rockwood (0% Asian), and Gibraltar (0% Asian). Flat Rock is less Asian than neighboring Rockwood (1.4% Asian), Woodhaven (1.8% Asian), and Trenton (0.5% Asian).

Flat Rock's Hispanic Population

767 residents of Flat Rock, or 7.4% of the population, identify as Hispanic. The share of Hispanic residents in Flat Rock is comparable to the share in Michigan overall, where 5.9% of the population is Hispanic. Flat Rock ranks 135th statewide in terms of Hispanic residents as a share of the population, out of 745 places.

Since the 2020 Census, Flat Rock's Hispanic population has grown by an estimated 22.7%. Hispanic residents' share of Flat Rock's population has increased from 5.9% to 7.4%.

Flat Rock is more Hispanic than neighboring South Rockwood (2.7% Hispanic), Gibraltar (4.5% Hispanic), and Trenton (4.4% Hispanic). Flat Rock is less Hispanic than neighboring Rockwood (9.3% Hispanic), and Woodhaven (11.1% Hispanic).

Flat Rock's Native American/Other Population

131 residents of Flat Rock, or 1.3% 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 Michigan overall, where 0.8% of the population is Native American/Other. Flat Rock ranks 425th statewide in terms of Native American/Other residents as a share of the population, out of 745 places.

Since the 2020 Census, Flat Rock's Native American/Other population has grown by an estimated 87.1%. Native American/Other residents' share of Flat Rock's population has increased from 0.7% to 1.3%.

Flat Rock is more Native American/Other than neighboring Rockwood (0% Native American/Other), Woodhaven (0.4% Native American/Other), Gibraltar (0% Native American/Other), and Trenton (0% Native American/Other). Flat Rock is less Native American/Other than neighboring South Rockwood (2.7% Native American/Other).

Flat Rock's Multiracial Population

511 residents of Flat Rock, or 4.9% of the population, identify as Multiracial. The share of Multiracial residents in Flat Rock is comparable to the share in Michigan overall, where 4.5% of the population is Multiracial. Flat Rock ranks 123rd statewide in terms of Multiracial residents as a share of the population, out of 745 places.

Since the 2020 Census, Flat Rock's Multiracial population has declined by an estimated 16.5%. Multiracial residents' share of Flat Rock's population has decreased from 5.8% to 4.9%.

Flat Rock is more Multiracial than neighboring South Rockwood (4.1% Multiracial), Woodhaven (3.3% Multiracial), and Gibraltar (3.8% Multiracial). Flat Rock is less Multiracial than neighboring Rockwood (5.7% Multiracial), and Trenton (5.6% 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.