Rochester, OH Demographics

A map of Rochester's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	185	150	98.4%	94.3%
Multiracial	3	1	1.6%	0.6%
Black	0	3	0.0%	1.9%
Asian	0	0	0.0%	0.0%
Hispanic	0	5	0.0%	3.1%
Native American/Other	0	0	0.0%	0.0%

Rochester, Ohio has an estimated population of 188, a large increase from the 159 recorded in the 2020 Census. The population is 98.4% White, 1.6% Multiracial, 0.0% Black, 0.0% Asian, 0.0% Hispanic, and 0.0% Native American/Other. This demographic dot map shows the population of Rochester, with one dot drawn for each person counted by the Census, color-coded by race.

Rochester has become considerably less racially diverse since the 2020 Census. It is considerably 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 Rochester, that probability was 10.9% in 2020 and 3.1% in the most recent ACS estimates.

Rochester is ranked the 1125th 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). Rochester was ranked the 1171st most populous place in the 2020 Census.

Rochester's White Population

185 residents of Rochester, or 98.4% of the population, identify as White. The share of White residents in Rochester is significantly higher than in Ohio overall, where 75.8% of the population is White. Rochester ranks 231st statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Rochester's White population has grown by an estimated 23.3%. White residents' share of Rochester's population has increased from 94.3% to 98.4%.

Rochester is more White than neighboring Wellington (92.2% White), New London (89.4% White), Sullivan (98.3% White), Kipton (86.9% White), and Wakeman (89.6% White).

Rochester's Black Population

0 residents of Rochester, or 0.0% of the population, identify as Black. The share of Black residents in Rochester is considerably lower than in Ohio overall, where 12% of the population is Black. Rochester ranks 371st statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Rochester's Black population has declined by an estimated 100.0%. Black residents' share of Rochester's population has decreased from 1.9% to 0.0%.

Rochester is less Black than neighboring New London (3.2% Black).

Rochester's Asian Population

0 residents of Rochester, or 0.0% of the population, identify as Asian. The share of Asian residents in Rochester is slightly lower than in Ohio overall, where 2.5% of the population is Asian. Rochester ranks 911th statewide in terms of Asian residents as a share of the population, out of 1,265 places.

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

Rochester is less Asian than neighboring Wellington (0.8% Asian), and Wakeman (0.8% Asian).

Rochester's Hispanic Population

0 residents of Rochester, or 0.0% of the population, identify as Hispanic. The share of Hispanic residents in Rochester is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Rochester ranks 370th statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Rochester's Hispanic population has declined by an estimated 100.0%. Hispanic residents' share of Rochester's population has decreased from 3.1% to 0.0%.

Rochester is less Hispanic than neighboring Wellington (4.4% Hispanic), New London (1.7% Hispanic), Kipton (3.6% Hispanic), and Wakeman (5.7% Hispanic).

Rochester's Native American/Other Population

0 residents of Rochester, 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 Rochester is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Rochester 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, Rochester's Native American/Other population has grown from 0 to an estimated 0. Native American/Other residents' share of Rochester's population has remained roughly unchanged at 0.0%.

Rochester's Multiracial Population

3 residents of Rochester, or 1.6% of the population, identify as Multiracial. The share of Multiracial residents in Rochester is slightly lower than in Ohio overall, where 4.3% of the population is Multiracial. Rochester ranks 1237th statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Rochester's Multiracial population has grown by an estimated 200.0%. Multiracial residents' share of Rochester's population has increased from 0.6% to 1.6%.

Rochester is less Multiracial than neighboring Wellington (2.7% Multiracial), New London (5.7% Multiracial), Sullivan (1.7% Multiracial), Kipton (9.6% Multiracial), and Wakeman (3.8% 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.