San Leon is a community in Galveston County, Texas, home to about 6,458 people across 4.7 square miles. It has no ZIP code of its own: it’s part of 77539.
Homes sold for a median of $161 per square foot in the three months ending August 2026, a balanced market.
Mostly Dickinson; part is in San Leon
Each card is that ZIP code’s whole market, including any part outside San Leon. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up San Leon’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | William P. Hobby Airport (HOU)19 miles away |
|---|---|
| Nearest city of 250,000+ | Houston, TX31 miles away |
Straight-line distances from the center of San Leon; 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.
San Leon had 6,135 residents in the 2020 census, up 41% since 2000.
It’s the 360th largest of 1,778 towns in Texas by population.
Galveston County grew from 44,116 residents in 1900 to 350,682 in 2020.
Galveston County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 92°F in summer, and winter lows average 46°F. About 60 inches of rain and melted snow fall in a typical year, with about 0 inches of snow.
Source: NOAA 1991–2020 climate normals, Houston Nwso, TX weather station (3 miles away).
95,225 jobs at 6,597 businesses in Galveston County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
146 doctors and other health care providers list an office in San Leon.
Nearest hospitals
Providers with an office here
| Primary care doctors | 25 |
|---|---|
| Specialist doctors | 6 |
| Dentists | 19 |
| Nurse practitioners and physician assistants | 38 |
| Mental health providers | 41 |
| Physical and occupational therapists | 6 |
| Chiropractors | 11 |
| Pharmacies | 17 |
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 (1 nearby)
Grocery stores (1 nearby)
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 Dickinson ISD, Texas City ISD. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Bay Colony ElDickinson | Pre-K–3 | 509 | Public | 3.6 mi |
| Calder Road ElDickinson | Pre-K–3 | 534 | Public | 4.3 mi |
| Hughes Road ElDickinson | Pre-K–3 | 585 | Public | 1.2 mi |
| Jake Silbernagel ElDickinson | Pre-K–3 | 509 | Public | 1.6 mi |
| San Leon ElDickinson | Pre-K–3 | 540 | Public | 5.4 mi |
| Dunbar MiddleDickinson | 4–5 | 558 | Public | 2.2 mi |
| John and Shamarion Barber MiddleDickinson | 4–5 | 614 | Public | 1.0 mi |
| Eugene 'Gene' Kranz J HDickinson | 6–8 | 877 | Public | 2.4 mi |
| Galveston Co Detention CtrDickinson | 6–12 | 24 | Alternative Education | 3.9 mi |
| R D Mcadams J HDickinson | 6–8 | 891 | Public | 0.8 mi |
| Dickinson Continuation CenterDickinson | 8–12 | 78 | Alternative Education | 1.2 mi |
| Texas City J J A E PDickinson | 8–10 | 3 | Alternative Education | 3.9 mi |
| Transforming Lives Cooperative (Tlc)Dickinson | 8–11 | 9 | Alternative Education | 3.9 mi |
| Dickinson H SDickinson | 9–12 | 3,810 | Public | 0.7 mi |
| Galveston Co J J A E PDickinson | 9 | 1 | Alternative Education | 3.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| True Cross Catholic School - DickinsonDickinson | K–8 | 88 | Roman Catholic | 2.4 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 Dickinson, Texas City and League City.
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.