Seymour, IN Demographics
A map of Seymour's Population by Race
Seymour, Indiana has an estimated population of 22,371, an increase from the 21,569 recorded in the 2020 Census. The population is 65.4% White, 24.0% Hispanic, 4.7% Multiracial, 4.1% Asian, 1.1% Black, and 0.8% Native American/Other. This demographic dot map shows the population of Seymour, with one dot drawn for each person counted by the Census, color-coded by race.
Seymour has become more racially diverse since the 2020 Census. It is considerably 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 Seymour, that probability was 47.3% in 2020 and 51.1% in the most recent ACS estimates.
Seymour is ranked the 47th 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). Seymour was ranked the 46th most populous place in the 2020 Census.
Seymour's White Population
14,635 residents of Seymour, or 65.4% of the population, identify as White. The share of White residents in Seymour is lower than in Indiana overall, where 75.4% of the population is White. Seymour ranks 666th statewide in terms of White residents as a share of the population, out of 976 places.
Since the 2020 Census, Seymour's White population has remained roughly the same. White residents' share of Seymour's population has decreased from 67.8% to 65.4%.
Seymour is less White than neighboring Jonesville (94.6% White), Hayden (100% White), Crothersville (97.6% White), Brownstown (99% White), and Elizabethtown (83.6% White).
Seymour's Black Population
239 residents of Seymour, or 1.1% of the population, identify as Black. The share of Black residents in Seymour is lower than in Indiana overall, where 9.1% of the population is Black. Seymour ranks 128th statewide in terms of Black residents as a share of the population, out of 976 places.
Since the 2020 Census, Seymour's Black population has declined by an estimated 39.6%. Black residents' share of Seymour's population has decreased from 1.8% to 1.1%.
Seymour is more Black than neighboring Jonesville (0% Black), Hayden (0% Black), Crothersville (0% Black), and Brownstown (0% Black). Seymour is less Black than neighboring Elizabethtown (9.1% Black).
Seymour's Asian Population
913 residents of Seymour, or 4.1% of the population, identify as Asian. The share of Asian residents in Seymour is comparable to the share in Indiana overall, where 2.6% of the population is Asian. Seymour ranks 67th statewide in terms of Asian residents as a share of the population, out of 976 places.
Since the 2020 Census, Seymour's Asian population has grown by an estimated 162.4%. Asian residents' share of Seymour's population has increased from 1.6% to 4.1%.
Seymour is more Asian than neighboring Jonesville (0% Asian), Hayden (0% Asian), Crothersville (0% Asian), Brownstown (0.1% Asian), and Elizabethtown (0% Asian).
Seymour's Hispanic Population
5,360 residents of Seymour, or 24.0% of the population, identify as Hispanic. The share of Hispanic residents in Seymour is significantly higher than in Indiana overall, where 8.6% of the population is Hispanic. Seymour ranks 17th statewide in terms of Hispanic residents as a share of the population, out of 976 places.
Since the 2020 Census, Seymour's Hispanic population has declined by an estimated 2.7%. Hispanic residents' share of Seymour's population has decreased from 25.5% to 24.0%.
Seymour is more Hispanic than neighboring Jonesville (3.9% Hispanic), Hayden (0% Hispanic), Crothersville (0.4% Hispanic), Brownstown (0.2% Hispanic), and Elizabethtown (1.6% Hispanic).
Seymour's Native American/Other Population
172 residents of Seymour, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Seymour is comparable to the share in Indiana overall, where 0.5% of the population is Native American/Other. Seymour ranks 272nd statewide in terms of Native American/Other residents as a share of the population, out of 976 places.
Since the 2020 Census, Seymour's Native American/Other population has grown by an estimated 55.0%. Native American/Other residents' share of Seymour's population has remained roughly unchanged at 0.8%.
Seymour is more Native American/Other than neighboring Jonesville (0% Native American/Other), Hayden (0% Native American/Other), Crothersville (0% Native American/Other), Brownstown (0% Native American/Other), and Elizabethtown (0% Native American/Other).
Seymour's Multiracial Population
1,052 residents of Seymour, or 4.7% of the population, identify as Multiracial. The share of Multiracial residents in Seymour is comparable to the share in Indiana overall, where 3.8% of the population is Multiracial. Seymour ranks 497th statewide in terms of Multiracial residents as a share of the population, out of 976 places.
Since the 2020 Census, Seymour's Multiracial population has grown by an estimated 82.6%. Multiracial residents' share of Seymour's population has increased from 2.7% to 4.7%.
Seymour is more Multiracial than neighboring Jonesville (1.6% Multiracial), Hayden (0% Multiracial), Crothersville (2% Multiracial), and Brownstown (0.7% Multiracial). Seymour is less Multiracial than neighboring Elizabethtown (5.6% 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.