Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/CA/HARMONY-GROVE

Harmony Grove ZIP codes, California

No ZIP code is named for Harmony Grove, CA; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 92078 and 92029. Its area codes are 760 and 442.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
2,585
Area codes
760, 442

NANPA lists no telephone rate centre for Harmony Grove itself, so these are the area codes of the nearest one, San Marcos (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Harmony Grove in numbers

About 2,585 people live in Harmony Grove, in 885 households. The median household income is $227,140 a year, 2.3 times the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $1,231,600 (68% above the California median), and median gross rent is $3,500+ a month. The median age is 36.8; 68.8% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 35 minutes.

Population2,585Harmony Grove2,585
Households885Harmony Grove885
Median age36.8Harmony Grove36.8California37.9US 38.9
Median household income$227,140Harmony Grove$227,140California$99,122US $80,734
Median home value$1,231,600Harmony Grove$1,231,600California$734,700US $332,700
Median gross rent$3,500+Harmony Grove$3,500+California$2,036US $1,413
Bachelor's degree or higher68.8%Harmony Grove68.8%California37.1%US 35.7%
Mean commute34.6 minHarmony Grove34.6 minCalifornia28.7 minUS 26.4 min
Population density839 / sq miHarmony Grove839 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Harmony Grove CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Harmony Grove

These ZIP codes cover part of Harmony Grove but are addressed as somewhere else.

ZIP codes overlapping Harmony Grove
ZIP City Type Population Median income Median home
92029 Escondido , CA Standard 20,726 $124,726 $985,500
92078 San Marcos , CA Standard 53,605 $120,268 $942,300

Map of Harmony Grove ZIP codes

9202992078

The ZIP codes of Harmony Grove, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Harmony Grove

The nearest larger towns are San Marcos (94,882 people, 2.9 mi), Escondido (149,668 people, 4.3 mi) and Lake San Marcos (4,693 people, 4.4 mi).

Towns near Harmony Grove
TownPopulationDistance
San Marcos 94,882 2.9 mi
Escondido 149,668 4.3 mi
Lake San Marcos 4,693 4.4 mi
Fairbanks Ranch 2,703 8.0 mi
Encinitas 61,480 8.1 mi
Vista 99,114 8.5 mi
Hidden Meadows 3,524 8.6 mi
Carlsbad 114,373 8.7 mi
Solana Beach 12,823 10.3 mi
Poway 48,713 10.3 mi
Valley Center 11,119 11.6 mi
Del Mar 3,903 11.8 mi
Bonsall 4,332 12.4 mi
Oceanside 172,242 13.0 mi

More nearby: every ZIP code in San Diego County · California ZIP codes

Cite this page

zipcodes.pro. “Harmony Grove, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/harmony-grove

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