ZIP Codes of San Diego County, CA

Population & People
Population & People
Total Population
3,285,573
Household Income
Household Income
Median Income
$110,887
Housing
Housing
Total Housing Units
1,250,025
Business & Economy
Business & Economy
Total Businesses
93,402
Employment
Employment
Employment Rate
59.22%
Education
Education
Bachelor's Degree+
43.16%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 181 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:181 ZIP Codes (96 Standard, 69 PO Box, 16 Unique) [See All]
Area Codes:442 / 619 / 760 / 858
Timezone:Pacific (GMT -08:00)
Local Time:2:11:30 PM
Population:3,285,573 [See All]
FIPS:06073
CBSA:San Diego-Chula Vista-Carlsbad, CA
Land Area:4,418 sq mi
Water Area:48 sq mi
Coordinates:32.8785, -117.0702
Quick Link:
https://www.zip-codes.com/county/ca-san-diego.asp
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#5 most populous county in America
3,285,573 residents — one of just ten US counties this populous.
Sharp income gradient
Wealthiest ZIP earns 4.1× the poorest — $205,680 vs $50,469.
Extreme geographic sprawl
The largest ZIP spans 293× the smallest by area — 633.2 sq mi down to 2.16.
Extreme education divide
Bachelor's share ranges 9.9% to 82.5% across ZIPs — a 73-point gap.

Standout ZIPs in this County


Most Populous
Chula Vista · 85,542 people
2.6% of county total
Highest Income
San Diego · $205,680 median
1.9× county average
Largest Land Area
Julian · 633.2 sq mi
Spans the most ground
Fastest Growth
Pine Valley · 49.5% (10-yr)
1,722 → 2,574 residents
Most Educated
Del Mar · 82.5% bachelor's+
8,522 of 10,329 adults 25+

Things worth knowing about San Diego County


3,285,573 residents live across 181 ZIPs covering 4,418 sq mi, served by 51 distinct USPS-recognized cities.

Population moved from 3,178,607 to 3,270,126 from 2014 to 2024 — a +2.9% change. 64 ZIPs gained residents, 42 lost (and 1 held flat).

The county's wealthiest ZIP 92130 (San Diego, $205,680 median) and poorest ZIP 91934 (Jacumba, $50,469) are 63.1 miles apart — a 4.1× income gap across local geography.

Median home values vary 6.1× across this county — from $327,600 in 91906 (Campo) to $2,000,001 in 92118 (Coronado).

Density varies 3494× across the county — from 5 people/sq mi in 92004 (Borrego Springs) to 17,578 in 92179 (San Diego).

Educational attainment ranges from 2.7% bachelor's+ in 92179 (San Diego) to 82.5% in 92014 (Del Mar) — the breadth of educational profiles across the area.

Within California, this is the #2 most populous of 58 counties and ranks #15 for median household income .

On the national stage, San Diego County is the #5 most populous US county .

Hosts 4 single-entity Unique ZIPs: 92145Nas Miramar ; 92158San Diego County Jail ; 92152Spawars System Center ; and 92136Naval Station 32Nd St .

Weighted by population, the typical household earns about $110,500 across the county — reflecting what a typical resident sees, not a simple ZIP average.

43.2% of adults age 25+ hold a bachelor's degree or higher (984,266 of 2,280,496 reporting).

96 Standard delivery, 69 PO Box only, 16 single-entity Unique ZIPs serve this county.

Stories about San Diego County


Higher-education hub

22 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.

La Jolla
93.7%
7,167 residents
Del Mar
82.5%
13,105 residents
San Diego
81.9%
60,768 residents
La Jolla
76.8%
40,717 residents
San Diego
74.9%
45,411 residents
Rancho Santa Fe
74.6%
7,938 residents
San Diego
74.4%
3,974 residents
San Diego
73.1%
50,555 residents
San Diego
72.2%
35,503 residents
Cardiff By The Sea
72.2%
11,100 residents

Single-entity addresses

16 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.

Uc Santa Barbara
7,167 residents
Naval Station 32Nd St
4,573 residents
Nas Miramar
2,349 residents
Mcrd San Diego
2,038 residents
Uc Santa Barbara
528 residents
Naval Hospital
290 residents
Asw Training Ctr
148 residents
Naval Amphibious Base
101 residents
Va Hospital
29 residents
Naval Supply Ctr
non-residential
San Diego State University
non-residential
Ca State Univ San Marcos
non-residential
San Diego Water Utilities
non-residential
San Diego County Jail
non-residential
Tk Manufacturing
non-residential
Spawars System Center
non-residential

Two counties in one

Median household income spans 4.1× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
San Diego
Median income: $205,680
Population: 60,768
Bachelor's+: 81.9%
vs
Poorest ZIP (pop >= 500)
Jacumba
Median income: $50,469
Population: 1,200
Bachelor's+: 14.8%
For every $1 of household income in 91934, the typical household in 92130 earns $4.08.

All ZIP Codes in San Diego County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
91911Chula VistaStandard85,542$82,35013.32.2%
92154San DiegoStandard80,445$94,90137.8-7.3%
91910Chula VistaStandard77,123$90,22212.60.4%
92126San DiegoStandard76,059$126,91311.2-2.7%
92105San DiegoStandard71,411$68,5635.80.1%
92021El CajonStandard70,501$74,01328.65.5%
92115San DiegoStandard66,264$79,1996.47.4%
92114San DiegoStandard65,745$97,7948.3-5.1%
91977Spring ValleyStandard61,064$99,65711.32.7%
92130San DiegoStandard60,768$205,68018.120.9%
91950National CityStandard59,891$66,4267.2-2.2%
92071SanteeStandard59,590$113,61825.87.6%
92020El CajonStandard57,842$76,03211.5-0.8%
91913Chula VistaStandard57,721$129,3379.132.2%
92057OceansideStandard56,835$108,81415.42.2%
92027EscondidoStandard54,113$93,33865.2-4.9%
92056OceansideStandard53,616$106,27212.31.6%
92078San MarcosStandard53,605$120,26818.216.7%
92026EscondidoStandard53,075$104,56135.36.2%
92129San DiegoStandard52,965$156,32113.4-3.1%
92117San DiegoStandard52,275$103,6618.7-1.7%
92028FallbrookStandard52,227$111,290220.88.1%
92101San DiegoStandard51,805$91,5665.244.3%
92024EncinitasStandard50,617$158,50718.42.8%
92127San DiegoStandard50,555$195,52023.620.7%
92025EscondidoStandard49,989$81,10621.90.5%
92058OceansideStandard49,834$69,97064.89.1%
92084VistaStandard49,727$98,57726.63.0%
92128San DiegoStandard48,992$131,07710.9-0.6%
92064PowayStandard48,683$148,67339.6-0.8%
92113San DiegoStandard48,215$61,8194.4-16.3%
92104San DiegoStandard47,410$94,0143.46.3%
92069San MarcosStandard47,335$96,77119.40.4%
92040LakesideStandard46,216$107,93776.89.2%
92122San DiegoStandard45,411$105,1775.71.8%
92019El CajonStandard45,351$101,97330.22.2%
92111San DiegoStandard45,249$99,64412.1-4.9%
92109San DiegoStandard44,820$122,1287.8-1.1%
92009CarlsbadStandard44,739$164,18212.12.5%
91942La MesaStandard41,424$92,8966.15.0%
92037La JollaStandard40,717$147,23012.13.8%
92102San DiegoStandard38,901$77,2484.9-13.3%
92054OceansideStandard38,417$82,4087.5-10.6%
92083VistaStandard38,375$86,9745.54.8%
92065RamonaStandard36,752$125,285183.52.0%
92131San DiegoStandard35,503$185,25620.74.8%
91915Chula VistaStandard35,322$139,5038.329.4%
92103San DiegoStandard34,836$102,6263.79.1%
92139San DiegoStandard34,703$95,6533.6-7.3%
91941La MesaStandard33,218$115,3818.3-0.8%
92123San DiegoStandard33,041$132,5348.313.0%
92120San DiegoStandard31,915$120,6617.625.8%
92116San DiegoStandard31,843$98,1543.2-3.3%
92110San DiegoStandard30,902$110,7905.210.3%
92124San DiegoStandard30,474$120,2018.80.9%
92081VistaStandard29,002$105,3798.90.6%
92107San DiegoStandard28,827$113,1173.17.0%
92008CarlsbadStandard27,955$104,99510.85.6%
91945Lemon GroveStandard27,745$88,0163.96.6%
92173San YsidroStandard27,585$69,7923.1-12.5%
92108San DiegoStandard26,790$103,8845.139.2%
91932Imperial BeachStandard25,741$85,8334.8-2.0%
92119San DiegoStandard24,456$113,4357.72.2%
92011CarlsbadStandard23,190$159,2357.2-2.9%
92082Valley CenterStandard21,727$126,544134.69.6%
92106San DiegoStandard21,651$142,8974.010.8%
92029EscondidoStandard20,726$124,72621.86.1%
92118CoronadoStandard18,929$134,5346.2-16.5%
92010CarlsbadStandard18,489$129,9268.521.0%
91901AlpineStandard18,197$114,167105.30.1%
91902BonitaStandard17,698$122,52411.2-9.3%
91914Chula VistaStandard16,877$190,7867.5-0.3%
92014Del MarStandard13,105$198,8237.0-3.1%
92075Solana BeachStandard11,944$149,3273.8-4.0%
92007Cardiff By The SeaStandard11,100$182,6292.6-5.8%
92055Camp PendletonPO Box10,83168.1-14.9%
91978Spring ValleyStandard10,014$113,17013.62.1%
91935JamulStandard9,114$151,538113.38.2%
92067Rancho Santa FePO Box7,938$187,05420.7-12.0%
92093La JollaUnique7,1671.0
92003BonsallStandard5,061$113,21616.317.5%
92136San DiegoUnique4,5731.1
92121San DiegoStandard3,974$135,93812.3-17.8%
91906CampoStandard3,325$62,500123.2-8.8%
92036JulianStandard3,218$73,750633.28.1%
92179San DiegoPO Box3,1500.2
92004Borrego SpringsStandard3,007$74,018597.614.6%
91962Pine ValleyStandard2,574$143,094107.149.5%
92145San DiegoUnique2,34920.719.4%
92140San DiegoUnique2,0380.6-21.4%
91916DescansoStandard1,710$103,43885.28.2%
91905BoulevardStandard1,683$77,886140.522.8%
92061Pauma ValleyStandard1,543$92,81337.8-15.4%
92086Warner SpringsStandard1,406$57,431239.25.3%
92059PalaStandard1,362$99,80334.2-6.1%
91934JacumbaStandard1,200$50,46995.2309.6%
92091Rancho Santa FeStandard972$103,4522.2-32.2%
92135San DiegoPO Box8490.0-11.1%
91917DulzuraStandard74971.0-16.4%
91963PotreroStandard68943.5-33.9%
92060Palomar MountainPO Box619$152,85265.5914.8%
92070Santa YsabelStandard607$67,017112.8-49.1%
92092La JollaUnique5280.1
91931GuatayPO Box494$63,7508.949.2%
92134San DiegoUnique2900.192.1%
92066RanchitaStandard290$35,62559.16.2%
91980TecateStandard17612.7-72.1%
92147San DiegoUnique1480.2-73.7%
92155San DiegoUnique1010.6-85.9%
91948Mount LagunaPO Box93$55,06616.297.9%
92161San DiegoUnique290.0
92132San DiegoUnique00.1
92182San DiegoUnique00.0
92096San MarcosUnique00.0
92085VistaPO Box0.0
92068San Luis ReyPO Box0.0
92018CarlsbadPO Box0.0
92049OceansidePO Box0.0
92051OceansidePO Box0.0
92052OceansidePO Box0.0
92088FallbrookPO Box0.0
91944La MesaPO Box0.0
92176San DiegoPO Box0.0
92195San DiegoPO Box0.0
92175San DiegoPO Box0.0
92167San DiegoPO Box0.0
92186San DiegoPO Box0.0
91976Spring ValleyPO Box0.0
92138San DiegoPO Box0.0
92137San DiegoPO Box0.0
92165San DiegoPO Box0.0
92163San DiegoPO Box0.0
92112San DiegoPO Box0.0
92187San DiegoUnique0.0
92166San DiegoPO Box0.0
91979Spring ValleyPO Box0.0
91946Lemon GrovePO Box0.0
91921Chula VistaPO Box0.0
91912Chula VistaPO Box0.0
91909Chula VistaPO Box0.0
92158San DiegoUnique19.1
91933Imperial BeachPO Box0.0
92143San YsidroPO Box0.0
92153San DiegoPO Box0.0
91987TecateUnique0.0
91908BonitaPO Box0.0
91951National CityPO Box0.0
92149San DiegoPO Box0.0
92178CoronadoPO Box0.0
92152San DiegoUnique1.6
92174San DiegoPO Box0.0
92170San DiegoPO Box0.0
92072SanteePO Box0.0
92142San DiegoPO Box0.0
92177San DiegoPO Box0.0
91903AlpinePO Box0.0
92038La JollaPO Box0.0
92039La JollaPO Box0.0
92192San DiegoPO Box0.0
92171San DiegoPO Box0.0
92168San DiegoPO Box0.0
92022El CajonPO Box0.0
91943La MesaPO Box0.0
92160San DiegoPO Box0.0
92169San DiegoPO Box0.0
92159San DiegoPO Box0.0
92193San DiegoPO Box0.0
92023EncinitasPO Box0.0
92198San DiegoPO Box0.0
92013CarlsbadPO Box0.0
92033EscondidoPO Box0.0
92046EscondidoPO Box0.0
92030EscondidoPO Box0.0
92079San MarcosPO Box0.0
92191San DiegoPO Box0.0
92172San DiegoPO Box0.0
92074PowayPO Box0.0
92196San DiegoPO Box0.0
92197San DiegoPO Box0.0
92150San DiegoPO Box0.0
92199San DiegoStandard0.0

Adjacent & Nearby Counties