Sebastian Population

1930–2026

27,817

2026 projection

10.8% since 2020 (increase)

05K10K15K20K25K30K19401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Sebastian. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202627,817+4651.70%
202527,352+3771.40%
202426,975+680.25%
202326,907+5191.97%
202226,388+7062.75%
202125,682+5672.26%
202025,115-9653.70%
201926,080+4121.61%
201825,668+4921.95%
201725,176+5042.04%

Showing 10 of 25 years.

Sebastian Demographics

58.2median age

Median age

Female59.7 yrs
Male56.7 yrs

Adults

22,949
9,665 seniors · 42%13,284 other adults

Sex

Female 50.9% · 13,362Male 49.1% · 12,900

Population by age

MaleFemale85+ years, male: 32885+ years, female: 70780–84 years, male: 74480–84 years, female: 90975–79 years, male: 76575–79 years, female: 92670–74 years, male: 1,20970–74 years, female: 1,36165–69 years, male: 1,30165–69 years, female: 1,41560–64 years, male: 1,31760–64 years, female: 1,31355–59 years, male: 95255–59 years, female: 96850–54 years, male: 78550–54 years, female: 88245–49 years, male: 57145–49 years, female: 76840–44 years, male: 39740–44 years, female: 58635–39 years, male: 83635–39 years, female: 54430–34 years, male: 1,00530–34 years, female: 68325–29 years, male: 28725–29 years, female: 27420–24 years, male: 44420–24 years, female: 43315–19 years, male: 57315–19 years, female: 34410–14 years, male: 47810–14 years, female: 4345–9 years, male: 4525–9 years, female: 3910–4 years, male: 4560–4 years, female: 42485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 263 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Sebastian Income

$69,409median household income

Median household income

$69,409

Half of households earn more, half earn less

Median earnings

$46,363

Typical yearly pay for a worker 25 or older.

Poverty rate

10.1%

About 1 in 10 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Sebastian Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%57%51%
Never married21%24%18%
Divorced15%14%16%
Widowed10%4%15%
Separated<1%1%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year