Harmony Grove is a community in San Diego County, California, home to about 2,585 people across 3.1 square miles. It has no ZIP code of its own: it’s part of 92029 and 92078.
Homes sold for a median of $513 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Escondido; part is in Harmony Grove
Mostly San Marcos; part is in Harmony Grove
Each card is that ZIP code’s whole market, including any part outside Harmony Grove. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Harmony Grove’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | San Diego International Airport (SAN)25 miles away |
|---|---|
| Closer regional airport | McClellan-Palomar Airport (CLD)9 miles away |
| Nearest city of 250,000+ | San Diego, CA19 miles away |
Straight-line distances from the center of Harmony Grove; 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.
It’s the 841st 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 44°F. About 14.7 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Escondido #2, CA weather station (3 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).
682 doctors and other health care providers list an office in Harmony Grove’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 68 |
|---|---|
| Specialist doctors | 152 |
| Dentists | 56 |
| Nurse practitioners and physician assistants | 72 |
| Mental health providers | 162 |
| Physical and occupational therapists | 118 |
| Optometrists | 17 |
| Chiropractors | 37 |
| Pharmacies | 23 |
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
Museums
Theaters and performance venues
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 Baypoint Preparatory Academy - San Diego District, Escondido Union, San Marcos Unified and others. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Baypoint Preparatory Academy - San DiegoSan Marcos | K–8 | 162 | Charter | 2.8 mi |
| Bernardo ElementaryEscondido | K–5 | 664 | Public | 2.8 mi |
| Discovery ElementarySan Marcos | K–5 | 717 | Public | 3.7 mi |
| Double PeakSan Marcos | K–8 | 1,171 | Public | 1.7 mi |
| High Tech Elementary North CountySan Marcos | K–5 | 438 | Charter | 4.4 mi |
| La Mirada AcademySan Marcos | K–8 | 868 | Public | 4.9 mi |
| Limitless Learning AcademyEscondido | K–8 | 119 | Alternative Education | 2.2 mi |
| Pivot Charter School - San Diego IISan Marcos | K–12 | 90 | Charter | 4.5 mi |
| San Elijo ElementarySan Marcos | K–5 | 834 | Public | 3.4 mi |
| High Tech Middle North CountySan Marcos | 6–8 | 341 | Charter | 4.4 mi |
| San Elijo MiddleSan Marcos | 6–8 | 1,395 | Public | 3.5 mi |
| Del Lago Academy - Campus of Applied ScienceEscondido | 9–12 | 765 | Public | 1.9 mi |
| High Tech High North CountySan Marcos | 9–12 | 409 | Charter | 4.4 mi |
| San Marcos HighSan Marcos | 9–12 | 3,067 | Public | 4.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| St Joseph AcademySan Marcos | TK–12 | 355 | Roman Catholic | 5.2 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 San Marcos, Escondido, Lake San Marcos, San Diego, Elfin Forest and Del Dios.
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.