Alpine is a community in San Diego County, California, home to about 15,180 people across 27 square miles. Its ZIP code is 91901.
Homes sold for a median of $456 per square foot in the three months ending August 2026, a balanced market.
Mostly Alpine; also Harbison Canyon
Each card is that ZIP code’s whole market, including any part outside Alpine. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Alpine’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Alpine well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | San Diego International Airport (SAN)26 miles away |
|---|---|
| Nearest city of 250,000+ | Chula Vista, CA21 miles away |
| Nearest city of 1 million+ | San Diego, CA21 miles away |
Straight-line distances from the center of Alpine; 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.
Alpine had 14,696 residents in the 2020 census, up 12% since 2000.
It’s the 402nd largest of 1,563 towns in California by population.
San Diego County grew from 35,090 residents in 1900 to 3,298,634 in 2020.
San Diego County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 42°F. About 16.1 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Alpine, CA weather station (about a mile away).
1,391,721 jobs at 93,407 businesses in San Diego County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
183 doctors and other health care providers list an office in Alpine.
Nearest hospitals
Providers with an office here
| Primary care doctors | 26 |
|---|---|
| Specialist doctors | 4 |
| Dentists | 11 |
| Nurse practitioners and physician assistants | 25 |
| Mental health providers | 103 |
| Physical and occupational therapists | 9 |
| Chiropractors | 5 |
| Pharmacies | 5 |
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 (5 nearby)
Grocery stores (2 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Counts are within about 3.5 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.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Alpine Union Elementary, The Heights Charter District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Creekside Early Learning CenterAlpine | K | 227 | Public | 3.6 mi |
| Mountain View Learning AcademyAlpine | K–8 | 64 | Alternative Education | 3.6 mi |
| The Heights CharterAlpine | K–8 | 283 | Charter | 0.5 mi |
| Boulder Oaks ElementaryAlpine | 1–5 | 367 | Public | 1.5 mi |
| Shadow Hills ElementaryAlpine | 1–5 | 377 | Public | 3.6 mi |
| Joan MacQueen MiddleAlpine | 6–8 | 405 | Public | 1.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
Buying or selling around Alpine? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Harbison Canyon.
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.