Sebastian Flag

Sebastian

County Seat:
No
Area (mi²):
17.402
State:
Florida

Sebastian is a city located in Indian River County, Florida. Sebastian has a 2026 population of 27,817. Sebastian is currently growing at a rate of 1.7% annually and its population has increased by 10.76% since the most recent census, which recorded a population of 25,115 in 2020.

The median household income in Sebastian is $69,409 with a poverty rate of 10.14%. The median age in Sebastian is 58.2 years: 56.7 years for males, and 59.7 years for females. For every 100 females there are 96.5 males.

27.8K
Total Population
1,599
Density (mi²)
465 1.7%
Growth

Sebastian Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)