Plymouth, IN Demographics

A map of Plymouth's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	7,656	7,086	71.8%	69.4%
Hispanic	2,659	2,632	24.9%	25.8%
Multiracial	176	286	1.7%	2.8%
Black	78	87	0.7%	0.9%
Asian	78	86	0.7%	0.8%
Native American/Other	17	37	0.2%	0.4%

Plymouth, Indiana has an estimated population of 10,664, an increase from the 10,214 recorded in the 2020 Census. The population is 71.8% White, 24.9% Hispanic, 1.7% Multiracial, 0.7% Black, 0.7% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Plymouth, with one dot drawn for each person counted by the Census, color-coded by race.

Plymouth has become less racially diverse since the 2020 Census. It is slightly more 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 Plymouth, that probability was 45.1% in 2020 and 42.2% in the most recent ACS estimates.

Plymouth is ranked the 81st 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). Plymouth was ranked the 81st most populous place in the 2020 Census.

Plymouth's White Population

7,656 residents of Plymouth, or 71.8% of the population, identify as White. The share of White residents in Plymouth is slightly lower than in Indiana overall, where 75.4% of the population is White. Plymouth ranks 660th statewide in terms of White residents as a share of the population, out of 976 places.

Since the 2020 Census, Plymouth's White population has grown by an estimated 8.0%. White residents' share of Plymouth's population has increased from 69.4% to 71.8%.

Plymouth is less White than neighboring La Paz (87.6% White), Argos (93.5% White), Culver (77.9% White), Koontz Lake (96.9% White), and Lakeville (91.6% White).

Plymouth's Black Population

78 residents of Plymouth, or 0.7% of the population, identify as Black. The share of Black residents in Plymouth is lower than in Indiana overall, where 9.1% of the population is Black. Plymouth ranks 218th statewide in terms of Black residents as a share of the population, out of 976 places.

Since the 2020 Census, Plymouth's Black population has declined by an estimated 10.3%. Black residents' share of Plymouth's population has remained roughly unchanged at 0.7%.

Plymouth is more Black than neighboring La Paz (0% Black), Argos (0.2% Black), Koontz Lake (0% Black), and Lakeville (0% Black). Plymouth is less Black than neighboring Culver (6.2% Black).

Plymouth's Asian Population

78 residents of Plymouth, or 0.7% of the population, identify as Asian. The share of Asian residents in Plymouth is comparable to the share in Indiana overall, where 2.6% of the population is Asian. Plymouth ranks 163rd statewide in terms of Asian residents as a share of the population, out of 976 places.

Since the 2020 Census, Plymouth's Asian population has declined by an estimated 9.3%. Asian residents' share of Plymouth's population has remained roughly unchanged at 0.7%.

Plymouth is more Asian than neighboring La Paz (0% Asian), Argos (0% Asian), Koontz Lake (0% Asian), and Lakeville (0% Asian). Plymouth is less Asian than neighboring Culver (0.9% Asian).

Plymouth's Hispanic Population

2,659 residents of Plymouth, or 24.9% of the population, identify as Hispanic. The share of Hispanic residents in Plymouth is significantly higher than in Indiana overall, where 8.6% of the population is Hispanic. Plymouth ranks 16th statewide in terms of Hispanic residents as a share of the population, out of 976 places.

Since the 2020 Census, Plymouth's Hispanic population has grown by an estimated 1.0%. Hispanic residents' share of Plymouth's population has decreased from 25.8% to 24.9%.

Plymouth is more Hispanic than neighboring La Paz (9.7% Hispanic), Argos (3% Hispanic), Culver (2.8% Hispanic), Koontz Lake (3.1% Hispanic), and Lakeville (3.1% Hispanic).

Plymouth's Native American/Other Population

17 residents of Plymouth, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Plymouth is comparable to the share in Indiana overall, where 0.5% of the population is Native American/Other. Plymouth ranks 400th statewide in terms of Native American/Other residents as a share of the population, out of 976 places.

Since the 2020 Census, Plymouth's Native American/Other population has declined by an estimated 54.1%. Native American/Other residents' share of Plymouth's population has remained roughly unchanged at 0.2%.

Plymouth is more Native American/Other than neighboring La Paz (0% Native American/Other), and Koontz Lake (0% Native American/Other). Plymouth is less Native American/Other than neighboring Culver (0.9% Native American/Other), and Lakeville (5.3% Native American/Other).

Plymouth's Multiracial Population

176 residents of Plymouth, or 1.7% of the population, identify as Multiracial. The share of Multiracial residents in Plymouth is slightly lower than in Indiana overall, where 3.8% of the population is Multiracial. Plymouth ranks 478th statewide in terms of Multiracial residents as a share of the population, out of 976 places.

Since the 2020 Census, Plymouth's Multiracial population has declined by an estimated 38.5%. Multiracial residents' share of Plymouth's population has decreased from 2.8% to 1.7%.

Plymouth is more Multiracial than neighboring Koontz Lake (0% Multiracial), and Lakeville (0% Multiracial). Plymouth is less Multiracial than neighboring La Paz (2.7% Multiracial), Argos (3.2% Multiracial), and Culver (11.4% 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.