Rainbow is a community in San Diego County, California, home to about 2,029 people across 11 square miles. It has no ZIP code of its own: it’s part of 92028.
Homes sold for a median of $426 per square foot in the three months ending August 2026, a seller’s market.
Mostly Fallbrook; part is in Rainbow
Each card is that ZIP code’s whole market, including any part outside Rainbow. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Rainbow’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Rainbow well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | John Wayne Orange County International Airport (SNA)42 miles away |
|---|---|
| Closer regional airport | McClellan-Palomar Airport (CLD)17 miles away |
| Nearest city of 250,000+ | Irvine, CA38 miles away |
| Nearest city of 1 million+ | San Diego, CA38 miles away |
Straight-line distances from the center of Rainbow; 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.
Rainbow had 1,884 residents in the 2020 census, down 7% since 2000.
It’s the 899th 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 46°F. About 15.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Fallbrook 5 Ne, CA weather station (5 miles 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).
222 doctors and other health care providers list an office in Rainbow.
Nearest hospitals
Providers with an office here
| Primary care doctors | 27 |
|---|---|
| Specialist doctors | 22 |
| Dentists | 27 |
| Nurse practitioners and physician assistants | 16 |
| Mental health providers | 83 |
| Physical and occupational therapists | 31 |
| Optometrists | 3 |
| Chiropractors | 13 |
| Pharmacies | 10 |
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 (14 nearby)
Grocery stores (4 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 2.5 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 Fallbrook Union Elementary, Vallecitos Elementary, Fallbrook Union High. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Fallbrook STEM AcademyFallbrook | K–6 | 600 | Public | 1.6 mi |
| Fallbrook Virtual AcademyFallbrook | K–8 | 12 | Alternative Education | 0.8 mi |
| La Paloma ElementaryFallbrook | K–6 | 499 | Public | 0.8 mi |
| Live Oak ElementaryFallbrook | K–6 | 717 | Public | 0.7 mi |
| Maie Ellis ElementaryFallbrook | K–6 | 560 | Alternative Education | 1.7 mi |
| Vallecitos ElementaryRainbow | K–8 | 195 | Public | 5.5 mi |
| William H. Frazier ElementaryFallbrook | K–6 | 514 | Public | 1.3 mi |
| Santa Margarita AcademyFallbrook | 4–8 | 3 | Alternative Education | 1.7 mi |
| James E. Potter IntermediateFallbrook | 7–8 | 828 | Public | 0.4 mi |
| Fallbrook HighFallbrook | 9–12 | 1,853 | Public | 1.6 mi |
| Ivy High (Continuation)Fallbrook | 9–12 | 69 | Alternative Education | 1.5 mi |
| Oasis High (Alternative)Fallbrook | 9–12 | 74 | Alternative Education | 1.3 mi |
| Mike Choate Early Childhood Education CenterFallbrook | — | — | Public | 1.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Zion Christian Preschool KindergartenFallbrook | Pre-K–K | 23 | Lutheran Church–Missouri Synod | 0.5 mi |
| Alpha and Omega AcademyFallbrook | K–12 | 27 | Other religious | 1.6 mi |
| St Peter the Apostle Catholic SchoolFallbrook | K–8 | 191 | Roman Catholic | 0.5 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 Fallbrook, Oceanside and Temecula.
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.