Greenwich, OH Demographics

A map of Greenwich's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,307	1,327	95.7%	94.2%
Multiracial	36	34	2.6%	2.4%
Asian	19	3	1.4%	0.2%
Hispanic	4	35	0.3%	2.5%
Black	0	7	0.0%	0.5%
Native American/Other	0	3	0.0%	0.2%

Greenwich, Ohio has an estimated population of 1,366, a decrease from the 1,409 recorded in the 2020 Census. The population is 95.7% White, 2.6% Multiracial, 1.4% Asian, 0.3% Hispanic, 0.0% Black, and 0.0% Native American/Other. This demographic dot map shows the population of Greenwich, with one dot drawn for each person counted by the Census, color-coded by race.

Greenwich has become 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 Greenwich, that probability was 11.2% in 2020 and 8.4% in the most recent ACS estimates.

Greenwich is ranked the 592nd 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). Greenwich was ranked the 577th most populous place in the 2020 Census.

Greenwich's White Population

1,307 residents of Greenwich, or 95.7% of the population, identify as White. The share of White residents in Greenwich is significantly higher than in Ohio overall, where 75.8% of the population is White. Greenwich ranks 252nd statewide in terms of White residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Greenwich's White population has declined by an estimated 1.5%. White residents' share of Greenwich's population has increased from 94.2% to 95.7%.

Greenwich is more White than neighboring New London (89.4% White), Plymouth (88.7% White), and New Haven CDP (Huron County) (59.2% White). Greenwich is less White than neighboring Shiloh (97.9% White), and North Fairfield (98.4% White).

Greenwich's Black Population

0 residents of Greenwich, or 0.0% of the population, identify as Black. The share of Black residents in Greenwich is considerably lower than in Ohio overall, where 12% of the population is Black. Greenwich ranks 792nd statewide in terms of Black residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Greenwich's Black population has declined by an estimated 100.0%. Black residents' share of Greenwich's population has decreased from 0.5% to 0.0%.

Greenwich is less Black than neighboring New London (3.2% Black), and Plymouth (0.6% Black).

Greenwich's Asian Population

19 residents of Greenwich, or 1.4% of the population, identify as Asian. The share of Asian residents in Greenwich is comparable to the share in Ohio overall, where 2.5% of the population is Asian. Greenwich ranks 767th statewide in terms of Asian residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Greenwich's Asian population has grown by an estimated 533.3%. Asian residents' share of Greenwich's population has increased from 0.2% to 1.4%.

Greenwich is more Asian than neighboring Shiloh (0% Asian), North Fairfield (0% Asian), New London (0% Asian), Plymouth (0% Asian), and New Haven CDP (Huron County) (0% Asian).

Greenwich's Hispanic Population

4 residents of Greenwich, or 0.3% of the population, identify as Hispanic. The share of Hispanic residents in Greenwich is slightly lower than in Ohio overall, where 4.8% of the population is Hispanic. Greenwich ranks 486th statewide in terms of Hispanic residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Greenwich's Hispanic population has declined by an estimated 88.6%. Hispanic residents' share of Greenwich's population has decreased from 2.5% to 0.3%.

Greenwich is more Hispanic than neighboring North Fairfield (0% Hispanic). Greenwich is less Hispanic than neighboring Shiloh (1.7% Hispanic), New London (1.7% Hispanic), Plymouth (4.3% Hispanic), and New Haven CDP (Huron County) (24.1% Hispanic).

Greenwich's Native American/Other Population

0 residents of Greenwich, 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 Greenwich is comparable to the share in Ohio overall, where 0.5% of the population is Native American/Other. Greenwich ranks 932nd statewide in terms of Native American/Other residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Greenwich's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Greenwich's population has remained roughly unchanged at 0.0%.

Greenwich is less Native American/Other than neighboring Plymouth (0.4% Native American/Other).

Greenwich's Multiracial Population

36 residents of Greenwich, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Greenwich is comparable to the share in Ohio overall, where 4.3% of the population is Multiracial. Greenwich ranks 1062nd statewide in terms of Multiracial residents as a share of the population, out of 1,265 places.

Since the 2020 Census, Greenwich's Multiracial population has grown by an estimated 5.9%. Multiracial residents' share of Greenwich's population has remained roughly unchanged at 2.6%.

Greenwich is more Multiracial than neighboring Shiloh (0.4% Multiracial), and North Fairfield (1.6% Multiracial). Greenwich is less Multiracial than neighboring New London (5.7% Multiracial), Plymouth (6% Multiracial), and New Haven CDP (Huron County) (16.8% 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.