Petersburg, MI Demographics

A map of Petersburg's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,119	1,070	94.9%	91.4%
Hispanic	39	40	3.3%	3.4%
Multiracial	21	46	1.8%	3.9%
Black	0	4	0.0%	0.3%
Asian	0	2	0.0%	0.2%
Native American/Other	0	9	0.0%	0.8%

Petersburg, Michigan has an estimated population of 1,179, a less than 1% change from the 1,171 recorded in the 2020 Census. The population is 94.9% White, 3.3% Hispanic, 1.8% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Petersburg, with one dot drawn for each person counted by the Census, color-coded by race.

Petersburg has become considerably less 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 Petersburg, that probability was 16.2% in 2020 and 9.8% in the most recent ACS estimates.

Petersburg is ranked the 409th 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). Petersburg was ranked the 402nd most populous place in the 2020 Census.

Petersburg's White Population

1,119 residents of Petersburg, or 94.9% of the population, identify as White. The share of White residents in Petersburg is significantly higher than in Michigan overall, where 72.4% of the population is White. Petersburg ranks 252nd statewide in terms of White residents as a share of the population, out of 745 places.

Since the 2020 Census, Petersburg's White population has grown by an estimated 4.6%. White residents' share of Petersburg's population has increased from 91.4% to 94.9%.

Petersburg is more White than neighboring Dundee (89.2% White), Britton (93.1% White), and Blissfield (85.3% White). Petersburg is less White than neighboring Deerfield (95.1% White), and Ida (99.4% White).

Petersburg's Black Population

0 residents of Petersburg, or 0.0% of the population, identify as Black. The share of Black residents in Petersburg is considerably lower than in Michigan overall, where 13.1% of the population is Black. Petersburg ranks 487th statewide in terms of Black residents as a share of the population, out of 745 places.

Since the 2020 Census, Petersburg's Black population has declined by an estimated 100.0%. Black residents' share of Petersburg's population has remained roughly unchanged at 0.0%.

Petersburg is less Black than neighboring Blissfield (0.1% Black).

Petersburg's Asian Population

0 residents of Petersburg, or 0.0% of the population, identify as Asian. The share of Asian residents in Petersburg is slightly lower than in Michigan overall, where 3.4% of the population is Asian. Petersburg ranks 535th statewide in terms of Asian residents as a share of the population, out of 745 places.

Since the 2020 Census, Petersburg's Asian population has declined by an estimated 100.0%. Asian residents' share of Petersburg's population has remained roughly unchanged at 0.0%.

Petersburg is less Asian than neighboring Ida (0.1% Asian), and Blissfield (1.4% Asian).

Petersburg's Hispanic Population

39 residents of Petersburg, or 3.3% of the population, identify as Hispanic. The share of Hispanic residents in Petersburg is slightly lower than in Michigan overall, where 5.9% of the population is Hispanic. Petersburg ranks 346th statewide in terms of Hispanic residents as a share of the population, out of 745 places.

Since the 2020 Census, Petersburg's Hispanic population has declined by an estimated 2.5%. Hispanic residents' share of Petersburg's population has remained roughly unchanged at 3.3%.

Petersburg is more Hispanic than neighboring Deerfield (1.6% Hispanic), and Ida (0% Hispanic). Petersburg is less Hispanic than neighboring Dundee (6.6% Hispanic), Britton (4% Hispanic), and Blissfield (11.1% Hispanic).

Petersburg's Native American/Other Population

0 residents of Petersburg, 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 Petersburg is comparable to the share in Michigan overall, where 0.8% of the population is Native American/Other. Petersburg ranks 361st statewide in terms of Native American/Other residents as a share of the population, out of 745 places.

Since the 2020 Census, Petersburg's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Petersburg's population has decreased from 0.8% to 0.0%.

Petersburg is less Native American/Other than neighboring Britton (1.7% Native American/Other), and Blissfield (0.2% Native American/Other).

Petersburg's Multiracial Population

21 residents of Petersburg, or 1.8% of the population, identify as Multiracial. The share of Multiracial residents in Petersburg is slightly lower than in Michigan overall, where 4.5% of the population is Multiracial. Petersburg ranks 429th statewide in terms of Multiracial residents as a share of the population, out of 745 places.

Since the 2020 Census, Petersburg's Multiracial population has declined by an estimated 54.3%. Multiracial residents' share of Petersburg's population has decreased from 3.9% to 1.8%.

Petersburg is more Multiracial than neighboring Ida (0.5% Multiracial), and Britton (1.2% Multiracial). Petersburg is less Multiracial than neighboring Deerfield (3.3% Multiracial), Dundee (4.2% Multiracial), and Blissfield (1.9% 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.