Petersburg, IN Demographics

A map of Petersburg's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	2,368	2,184	98.1%	94.8%
Black	26	18	1.1%	0.8%
Multiracial	18	40	0.7%	1.7%
Hispanic	2	45	0.1%	2.0%
Asian	0	4	0.0%	0.2%
Native American/Other	0	13	0.0%	0.6%

Petersburg, Indiana has an estimated population of 2,414, an increase from the 2,304 recorded in the 2020 Census. The population is 98.1% White, 1.1% Black, 0.7% Multiracial, 0.1% Hispanic, 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 Indiana 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 10.1% in 2020 and 3.8% in the most recent ACS estimates.

Petersburg is ranked the 203rd most populous place in Indiana, out of 976 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 198th most populous place in the 2020 Census.

Petersburg's White Population

2,368 residents of Petersburg, or 98.1% of the population, identify as White. The share of White residents in Petersburg is significantly higher than in Indiana overall, where 75.4% of the population is White. Petersburg ranks 126th statewide in terms of White residents as a share of the population, out of 976 places.

Since the 2020 Census, Petersburg's White population has grown by an estimated 8.4%. White residents' share of Petersburg's population has increased from 94.8% to 98.1%.

Petersburg is more White than neighboring Winslow (95.9% White), Monroe City (96.6% White), Oakland City (86.6% White), and Wheatland (96.3% White). Petersburg is less White than neighboring Otwell (100% White).

Petersburg's Black Population

26 residents of Petersburg, or 1.1% of the population, identify as Black. The share of Black residents in Petersburg is lower than in Indiana overall, where 9.1% of the population is Black. Petersburg ranks 240th statewide in terms of Black residents as a share of the population, out of 976 places.

Since the 2020 Census, Petersburg's Black population has grown by an estimated 44.4%. Black residents' share of Petersburg's population has remained roughly unchanged at 1.1%.

Petersburg is more Black than neighboring Winslow (0% Black), Monroe City (0% Black), Wheatland (0% Black), and Otwell (0% Black). Petersburg is less Black than neighboring Oakland City (1.3% 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 Indiana overall, where 2.6% of the population is Asian. Petersburg ranks 442nd statewide in terms of Asian residents as a share of the population, out of 976 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 Oakland City (0.8% Asian), and Wheatland (0.6% Asian).

Petersburg's Hispanic Population

2 residents of Petersburg, or 0.1% of the population, identify as Hispanic. The share of Hispanic residents in Petersburg is lower than in Indiana overall, where 8.6% of the population is Hispanic. Petersburg ranks 454th statewide in terms of Hispanic residents as a share of the population, out of 976 places.

Since the 2020 Census, Petersburg's Hispanic population has declined by an estimated 95.6%. Hispanic residents' share of Petersburg's population has decreased from 2.0% to 0.1%.

Petersburg is more Hispanic than neighboring Winslow (0% Hispanic), Monroe City (0% Hispanic), Wheatland (0% Hispanic), and Otwell (0% Hispanic). Petersburg is less Hispanic than neighboring Oakland City (5.3% 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 Indiana overall, where 0.5% of the population is Native American/Other. Petersburg ranks 233rd statewide in terms of Native American/Other residents as a share of the population, out of 976 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 0.6% to 0.0%.

Petersburg is less Native American/Other than neighboring Oakland City (2.7% Native American/Other).

Petersburg's Multiracial Population

18 residents of Petersburg, or 0.7% of the population, identify as Multiracial. The share of Multiracial residents in Petersburg is slightly lower than in Indiana overall, where 3.8% of the population is Multiracial. Petersburg ranks 624th statewide in terms of Multiracial residents as a share of the population, out of 976 places.

Since the 2020 Census, Petersburg's Multiracial population has declined by an estimated 55.0%. Multiracial residents' share of Petersburg's population has decreased from 1.7% to 0.7%.

Petersburg is more Multiracial than neighboring Otwell (0% Multiracial). Petersburg is less Multiracial than neighboring Winslow (4.1% Multiracial), Monroe City (3.4% Multiracial), Oakland City (3.1% Multiracial), and Wheatland (3.2% 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.