Lemon Grove is a city in San Diego County, California, home to about 27,686 people across 3.9 square miles. Its ZIP code is 91945.
Homes sold for a median of $540 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Lemon Grove. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Lemon 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)9 miles away |
|---|---|
| Nearest city of 250,000+ | Chula Vista, CA7 miles away |
| Nearest city of 1 million+ | San Diego, CA8 miles away |
Straight-line distances from the center of Lemon 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.
Lemon Grove had 27,627 residents in the 2020 census, up 11% since 2000.
It’s the 280th 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 77°F in summer, and winter lows average 46°F. About 9.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Chula Vista, CA weather station (7 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).
391 doctors and other health care providers list an office in Lemon Grove.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Dentists | 18 |
| Nurse practitioners and physician assistants | 13 |
| Mental health providers | 327 |
| Physical and occupational therapists | 10 |
| Optometrists | 9 |
| Chiropractors | 8 |
| 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 (8 nearby)
Grocery stores (5 nearby)
Pharmacies (3 nearby)
Libraries (1 nearby)
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.
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 Lemon Grove. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lemon Grove Academy ElementaryLemon Grove | K–6 | 399 | Public | 0.6 mi |
| Lemon Grove Early Childhood Education CenterLemon Grove | K | 142 | Public | 0.8 mi |
| Monterey Heights ElementaryLemon Grove | K–6 | 341 | Public | 0.7 mi |
| Mt. Vernon ElementaryLemon Grove | K–6 | 359 | Public | 0.7 mi |
| San Altos ElementaryLemon Grove | K–6 | 338 | Public | 1.1 mi |
| San Miguel ElementaryLemon Grove | K–6 | 435 | Public | 0.8 mi |
| Lemon Grove Academy for the Sciences and HumanitiesLemon Grove | 6–8 | 516 | Public | 0.5 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.
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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.