Jupiter Island is a town in Martin County, Florida, home to about 845 people across 2.7 square miles. It has no ZIP code of its own: it’s part of 33455.
Homes sold for a median of $310 per square foot in the three months ending August 2026, a seller’s market.
Mostly Hobe Sound; part is in Jupiter Island
Each card is that ZIP code’s whole market, including any part outside Jupiter Island. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Jupiter Island’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Jupiter Island well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | President Donald J. Trump International Airport (DJT)28 miles away |
|---|---|
| Nearest city of 250,000+ | Miami, FL90 miles away |
Straight-line distances from the center of Jupiter Island; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Jupiter Island had 804 residents in the 2020 census, up 30% since 2000.
It’s the 802nd largest of 954 towns in Florida by population.
Martin County grew from 5,111 residents in 1930 to 158,431 in 2020.
Martin County, 1930–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 91°F in summer, and winter lows average 54°F. About 64.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Port Salerno 5w, FL weather station (7 miles away).
67,697 jobs at 6,400 businesses in Martin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
68 doctors and other health care providers list an office in Jupiter Island.
Nearest hospitals
Providers with an office here
| Primary care doctors | 14 |
|---|---|
| Specialist doctors | 5 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 12 |
| Mental health providers | 13 |
| Physical and occupational therapists | 10 |
| Optometrists | 3 |
| Chiropractors | 6 |
| Pharmacies | 4 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (2 nearby)
Grocery stores
Pharmacies
Libraries (1 nearby)
Counts are within about 1.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Martin. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hobe Sound Elementary SchoolHobe Sound | Pre-K–5 | 464 | Public | 1.8 mi |
| Sea Wind Elementary SchoolHobe Sound | Pre-K–5 | 517 | Public | 3.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Hobe Sound Christian AcademyHobe Sound | Pre-K–12 | 215 | Christian (no specific denomination) | 1.7 mi |
| Banner Lake AcademyHobe Sound | K–3 | 56 | Nonsectarian | 1.9 mi |
| The Pine SchoolHobe Sound | K–12 | 470 | Nonsectarian | 2.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Hobe Sound.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.