Sebastian, Florida Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Sebastian, Florida is 25,759 as of the 2023 American Community Survey, making it the 164th-largest city in Florida. The median household income is $68,863, the median home value is $281,700, and the median age is 57.6.
The population has grown 23.3% since 2010 (21,964 → 27,087).
25,759
Population
1480
People / sq mi
$68,863
Median Income
$281,700
Median Home Value
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Sebastian covers 17.4 sq mi of land at 1480 people per square mile.
About Sebastian, FL
Age is the most distinctive thing about Sebastian: a median age of 57.6, older than the national median. With 25,759 residents, Sebastian is a city in Florida.
The typical household here earns about $68,863, below the US median of $78,538. The poverty rate is 7.7%, below the national 12.4%. The typical home is valued at $281,700, with typical rent around $1,414.
Degree attainment is mid-range for US cities: 29.5% of adults hold a four-year degree, below the national 35.0%. Around 9.1% of workers work from home, below the national 14.0%, and the average commute runs about 32 minutes each way.
The age structure shapes everything downstream in Sebastian — from housing demand to the mix of working-age earners reflected in the income figures above.
Sebastian city Population History (2010-2024)
The city of Sebastian city had a population of 21,964 in 2010 and 27,087 in 2024, a 23.3% growth over 14 years. The peak was 27,087 in 2024. Average annual growth rate: 1.52%.
27,087
Population (2024)
21,964
Population (2010)
27,087
Peak (2024)
1.52%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 21,964 |
| 2011 | 22,083 |
| 2012 | 22,336 |
| 2013 | 22,636 |
| 2014 | 23,260 |
| 2015 | 23,884 |
| 2016 | 24,652 |
| 2017 | 25,178 |
| 2018 | 25,701 |
| 2019 | 26,118 |
| 2020 | 25,125 |
| 2021 | 25,693 |
| 2022 | 26,411 |
| 2023 | 26,953 |
| 2024 | 27,087 |
Race & Ethnicity
| White | 86.4% |
| Black or African American | 1.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.1% |
| Two or More Races | 0.0% |
Economy & Income
$68,863
Median Household Income
$41,744
Per Capita Income
7.7%
Poverty Rate
4.1%
Unemployment Rate
Housing
$281,700
Median Home Value
$1,414
Median Rent
83.5%
Owner-Occupied
Education
91.2%
High School+
29.5%
Bachelor's+
Commute
0.4%
Drive Alone
79.3%
Public Transit
9.1%
Work From Home
32.3 min
Avg Commute
Community Profile
62.9%
Foreign Born
89.3%
Non-English at Home
11.0%
Veterans
17.7%
With Disability
87.4%
Health Insurance
95.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 21.6% |
| Finance, Insurance & Real Estate | 14.4% |
| Construction | 9.7% |
| Education, Health Care & Social Services | 7.9% |
| Information | 5.9% |
| Manufacturing | 5.5% |
| Public Administration | 5.0% |
| Arts, Entertainment & Food Services | 4.9% |
| Transportation & Warehousing | 4.4% |
| Retail Trade | 4.2% |
| Agriculture & Mining | 1.4% |
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Frequently Asked Questions
Sebastian, Florida has a population of 25,759 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 164th-largest city in Florida.
The median household income in Sebastian, Florida is $68,863, with 7.7% of residents living below the federal poverty level.
The median home value in Sebastian, Florida is $281,700, with median monthly rent at $1,414 and a homeownership rate of 83.5%.
The median age in Sebastian, Florida is 57.6 years. The population is 49.9% male and 50.1% female.
The population has grown 23.3% since 2010 (21,964 → 27,087).
Sebastian city, FL Climate
Sebastian city, FL has an average annual temperature of 22.7°C (73°F) and receives about 1253 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
22.7°C
Avg Temp
1253
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 17° / 62° | 62 mm |
| February | 17° / 63° | 73 mm |
| March | 20° / 68° | 80 mm |
| April | 22° / 71° | 50 mm |
| May | 25° / 76° | 106 mm |
| June | 27° / 80° | 158 mm |
| July | 28° / 82° | 143 mm |
| August | 28° / 82° | 148 mm |
| September | 27° / 80° | 187 mm |
| October | 25° / 76° | 126 mm |
| November | 21° / 70° | 72 mm |
| December | 18° / 65° | 48 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Sebastian city, FL
The most comfortable months to visit Sebastian city, FL are typically April, November and March, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 11°C low). September is usually the wettest month.
Where to stay near Sebastian
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.