Petersburg, KY Demographics

A map of Petersburg's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	711	475	92.2%	95.0%
Multiracial	60	17	7.8%	3.4%
Black	0	1	0.0%	0.2%
Asian	0	0	0.0%	0.0%
Hispanic	0	3	0.0%	0.6%
Native American/Other	0	4	0.0%	0.8%

Petersburg, Kentucky has an estimated population of 771, a dramatic increase from the 500 recorded in the 2020 Census. The population is 92.2% White, 7.8% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, 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 more racially diverse since the 2020 Census. It is considerably less diverse than Kentucky 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 9.6% in 2020 and 14.3% in the most recent ACS estimates.

Petersburg is ranked the 276th most populous place in Kentucky, out of 554 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 351st most populous place in the 2020 Census.

Petersburg's White Population

711 residents of Petersburg, or 92.2% of the population, identify as White. The share of White residents in Petersburg is considerably higher than in Kentucky overall, where 81.5% of the population is White. Petersburg ranks 90th statewide in terms of White residents as a share of the population, out of 554 places.

Since the 2020 Census, Petersburg's White population has grown by an estimated 49.7%. White residents' share of Petersburg's population has decreased from 95.0% to 92.2%.

Petersburg is more White than neighboring Lawrenceburg (91.5% White), Aurora (86.6% White), and Rising Sun (91.4% White). Petersburg is less White than neighboring Greendale (97.7% White), and Belleview (100% 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 lower than in Kentucky overall, where 7.6% of the population is Black. Petersburg ranks 459th statewide in terms of Black residents as a share of the population, out of 554 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 Lawrenceburg (0.6% Black), and Rising Sun (0.2% 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 comparable to the share in Kentucky overall, where 1.6% of the population is Asian. Petersburg ranks 388th statewide in terms of Asian residents as a share of the population, out of 554 places.

Since the 2020 Census, Petersburg's Asian population has grown from 0 to an estimated 0. Asian residents' share of Petersburg's population has remained roughly unchanged at 0.0%.

Petersburg is less Asian than neighboring Lawrenceburg (0.2% Asian), Aurora (0.6% Asian), and Rising Sun (1.8% Asian).

Petersburg's Hispanic Population

0 residents of Petersburg, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Petersburg is slightly lower than in Kentucky overall, where 5% of the population is Hispanic. Petersburg ranks 493rd statewide in terms of Hispanic residents as a share of the population, out of 554 places.

Since the 2020 Census, Petersburg's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Petersburg's population has decreased from 0.6% to 0.0%.

Petersburg is less Hispanic than neighboring Lawrenceburg (0.4% Hispanic), Aurora (8.4% Hispanic), and Rising Sun (4.5% 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 Kentucky overall, where 0.4% of the population is Native American/Other. Petersburg ranks 113th statewide in terms of Native American/Other residents as a share of the population, out of 554 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 Lawrenceburg (0.9% Native American/Other), Aurora (2.1% Native American/Other), and Rising Sun (0.4% Native American/Other).

Petersburg's Multiracial Population

60 residents of Petersburg, or 7.8% of the population, identify as Multiracial. The share of Multiracial residents in Petersburg is slightly higher than in Kentucky overall, where 3.9% of the population is Multiracial. Petersburg ranks 323rd statewide in terms of Multiracial residents as a share of the population, out of 554 places.

Since the 2020 Census, Petersburg's Multiracial population has grown by an estimated 252.9%. Multiracial residents' share of Petersburg's population has increased from 3.4% to 7.8%.

Petersburg is more Multiracial than neighboring Lawrenceburg (6.3% Multiracial), Aurora (2.2% Multiracial), Greendale (2.3% Multiracial), Belleview (0% Multiracial), and Rising Sun (1.7% 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.