Sebastian, FL Demographics

A map of Sebastian's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	21,043	20,376	80.1%	81.3%
Hispanic	3,492	2,229	13.3%	8.9%
Black	543	1,143	2.1%	4.6%
Multiracial	500	854	1.9%	3.4%
Asian	466	337	1.8%	1.3%
Native American/Other	218	115	0.8%	0.5%

Sebastian, Florida has an estimated population of 26,262, an increase from the 25,054 recorded in the 2020 Census. The population is 80.1% White, 13.3% Hispanic, 2.1% Black, 1.9% Multiracial, 1.8% Asian, and 0.8% Native American/Other. This demographic dot map shows the population of Sebastian, with one dot drawn for each person counted by the Census, color-coded by race.

Sebastian has become more racially diverse since the 2020 Census. It is considerably less diverse than Florida overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Sebastian, that probability was 32.7% in 2020 and 33.9% in the most recent ACS estimates.

Sebastian is ranked the 166th most populous place in Florida, out of 956 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). Sebastian was ranked the 167th most populous place in the 2020 Census.

Sebastian's White Population

21,043 residents of Sebastian, or 80.1% of the population, identify as White. The share of White residents in Sebastian is significantly higher than in Florida overall, where 50.4% of the population is White. Sebastian ranks 294th statewide in terms of White residents as a share of the population, out of 956 places.

Since the 2020 Census, Sebastian's White population has grown by an estimated 3.3%. White residents' share of Sebastian's population has decreased from 81.3% to 80.1%.

Sebastian is more White than neighboring Wabasso (44.2% White), and Vero Lake Estates (69.4% White). Sebastian is less White than neighboring Roseland (97.9% White), Orchid (95.5% White), and Windsor (100% White).

Sebastian's Black Population

543 residents of Sebastian, or 2.1% of the population, identify as Black. The share of Black residents in Sebastian is considerably lower than in Florida overall, where 14.6% of the population is Black. Sebastian ranks 520th statewide in terms of Black residents as a share of the population, out of 956 places.

Since the 2020 Census, Sebastian's Black population has declined by an estimated 52.5%. Black residents' share of Sebastian's population has decreased from 4.6% to 2.1%.

Sebastian is more Black than neighboring Roseland (0.8% Black), Orchid (1.6% Black), and Windsor (0% Black). Sebastian is less Black than neighboring Wabasso (30.3% Black), and Vero Lake Estates (6.8% Black).

Sebastian's Asian Population

466 residents of Sebastian, or 1.8% of the population, identify as Asian. The share of Asian residents in Sebastian is comparable to the share in Florida overall, where 2.9% of the population is Asian. Sebastian ranks 471st statewide in terms of Asian residents as a share of the population, out of 956 places.

Since the 2020 Census, Sebastian's Asian population has grown by an estimated 38.3%. Asian residents' share of Sebastian's population has increased from 1.3% to 1.8%.

Sebastian is more Asian than neighboring Wabasso (0% Asian), Roseland (0% Asian), Orchid (0% Asian), and Windsor (0% Asian).

Sebastian's Hispanic Population

3,492 residents of Sebastian, or 13.3% of the population, identify as Hispanic. The share of Hispanic residents in Sebastian is considerably lower than in Florida overall, where 27.4% of the population is Hispanic. Sebastian ranks 573rd statewide in terms of Hispanic residents as a share of the population, out of 956 places.

Since the 2020 Census, Sebastian's Hispanic population has grown by an estimated 56.7%. Hispanic residents' share of Sebastian's population has increased from 8.9% to 13.3%.

Sebastian is more Hispanic than neighboring Roseland (1.3% Hispanic), Orchid (2% Hispanic), and Windsor (0% Hispanic). Sebastian is less Hispanic than neighboring Wabasso (15% Hispanic), and Vero Lake Estates (18.5% Hispanic).

Sebastian's Native American/Other Population

218 residents of Sebastian, 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 Sebastian is comparable to the share in Florida overall, where 0.8% of the population is Native American/Other. Sebastian ranks 757th statewide in terms of Native American/Other residents as a share of the population, out of 956 places.

Since the 2020 Census, Sebastian's Native American/Other population has grown by an estimated 89.6%. Native American/Other residents' share of Sebastian's population has remained roughly unchanged at 0.8%.

Sebastian is more Native American/Other than neighboring Wabasso (0% Native American/Other), Roseland (0% Native American/Other), Orchid (0% Native American/Other), and Windsor (0% Native American/Other). Sebastian is less Native American/Other than neighboring Vero Lake Estates (1.1% Native American/Other).

Sebastian's Multiracial Population

500 residents of Sebastian, or 1.9% of the population, identify as Multiracial. The share of Multiracial residents in Sebastian is comparable to the share in Florida overall, where 3.8% of the population is Multiracial. Sebastian ranks 533rd statewide in terms of Multiracial residents as a share of the population, out of 956 places.

Since the 2020 Census, Sebastian's Multiracial population has declined by an estimated 41.5%. Multiracial residents' share of Sebastian's population has decreased from 3.4% to 1.9%.

Sebastian is more Multiracial than neighboring Roseland (0% Multiracial), Orchid (0.9% Multiracial), and Windsor (0% Multiracial). Sebastian is less Multiracial than neighboring Wabasso (10.6% Multiracial), and Vero Lake Estates (2.5% 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.