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

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zipcodes.pro — CITY/CA/BOSTONIA

Bostonia ZIP codes, California

No ZIP code is named for Bostonia, CA; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 92021, 92071 and 92020. Its area codes are 619 and 858.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
16,765
Area codes
619, 858

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

Bostonia in numbers

About 16,765 people live in Bostonia, in 5,783 households. The median household income is $78,878 a year, 20% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $487,600 (34% below the California median), and median gross rent is $2,087 a month. The median age is 34.2; 21.9% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 25 minutes.

Population16,765Bostonia16,765
Households5,783Bostonia5,783
Median age34.2Bostonia34.2California37.9US 38.9
Median household income$78,878Bostonia$78,878California$99,122US $80,734
Median home value$487,600Bostonia$487,600California$734,700US $332,700
Median gross rent$2,087Bostonia$2,087California$2,036US $1,413
Bachelor's degree or higher21.9%Bostonia21.9%California37.1%US 35.7%
Mean commute24.9 minBostonia24.9 minCalifornia28.7 minUS 26.4 min
Population density8,705 / sq miBostonia8,705 / sq mi

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

ZIP codes covering Bostonia

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

ZIP codes overlapping Bostonia
ZIP City Type Population Median income Median home
92020 El Cajon , CA Standard 57,842 $76,032 $813,100
92021 El Cajon , CA Standard 70,501 $74,013 $611,900
92071 Santee , CA Standard 59,590 $113,618 $728,900

Map of Bostonia ZIP codes

920209202192071

The ZIP codes of Bostonia, 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 Bostonia

The nearest larger towns are Winter Gardens (22,131 people, 1.6 mi), El Cajon (104,449 people, 1.6 mi) and Lakeside (22,447 people, 3.4 mi).

Towns near Bostonia
TownPopulationDistance
Winter Gardens 22,131 1.6 mi
El Cajon 104,449 1.6 mi
Granite Hills 3,795 2.4 mi
Lakeside 22,447 3.4 mi
Santee 59,332 3.6 mi
Casa de Oro-Mount Helix 19,765 4.1 mi
Rancho San Diego 21,272 4.1 mi
Crest 2,775 4.6 mi
Eucalyptus Hills 5,840 4.6 mi
La Mesa 60,797 5.8 mi
Harbison Canyon 4,328 6.1 mi
Spring Valley 31,969 6.5 mi
Lemon Grove 27,686 8.0 mi
Jamul 6,574 8.1 mi

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

Cite this page

zipcodes.pro. “Bostonia, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/bostonia

Underlying data is public domain or openly licensed — sources, vintages and licences.