San Diego County, California
San Diego County is a county in California. Its county FIPS code is 06073. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 06073
- Representative coordinates
- 33.023604, -116.776117
- County type
- County
- County seat or government
- San Diego
- Resident population, July 2025
- 3,282,248
- Land area
- 10,906.14 km²
- Water area
- 815.876 km²
- State
- California
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in San Diego County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Los_Angeles | UTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
91901 · 91902 · 91905 · 91906 · 91910 · 91911 · 91913 · 91914 · 91915 · 91916 · 91917 · 91931 · 91932 · 91934 · 91935 · 91941 · 91942 · 91945 · 91948 · 91950 · 91962 · 91963 · 91977 · 91978 · 91980 · 92003 · 92004 · 92007 · 92008 · 92009 · 92010 · 92011 · 92014 · 92019 · 92020 · 92021 · 92024 · 92025 · 92026 · 92027 · 92028 · 92029 · 92036 · 92037 · 92040 · 92054 · 92055 · 92056 · 92057 · 92058 · 92059 · 92060 · 92061 · 92064 · 92065 · 92066 · 92067 · 92069 · 92070 · 92071 · 92075 · 92078 · 92081 · 92082 · 92083 · 92084 · 92086 · 92091 · 92092 · 92093 · 92096 · 92101 · 92102 · 92103 · 92104 · 92105 · 92106 · 92107 · 92108 · 92109 · 92110 · 92111 · 92113 · 92114 · 92115 · 92116 · 92117 · 92118 · 92119 · 92120 · 92121 · 92122 · 92123 · 92124 · 92126 · 92127 · 92128 · 92129 · 92130 · 92131 · 92132 · 92134 · 92135 · 92136 · 92139 · 92140 · 92145 · 92147 · 92154 · 92155 · 92161 · 92173 · 92179 · 92182 · 92562 · 92672
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
San Diego County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Alpine CDP, CA
- Bonita CDP, CA
- Bonsall CDP, CA
- Borrego Springs CDP, CA
- Bostonia CDP, CA
- Boulevard CDP, CA
- Campo CDP, CA
- Camp Pendleton Mainside CDP, CA
- Camp Pendleton South CDP, CA
- Carlsbad city, CA
- Casa de Oro-Mount Helix CDP, CA
- Chula Vista city, CA
- Coronado city, CA
- Crest CDP, CA
- Del Dios CDP, CA
- Del Mar city, CA
- Descanso CDP, CA
- El Cajon city, CA
- Elfin Forest CDP, CA
- Encinitas city, CA
- Escondido city, CA
- Eucalyptus Hills CDP, CA
- Fairbanks Ranch CDP, CA
- Fallbrook CDP, CA
- Granite Hills CDP, CA
- Harbison Canyon CDP, CA
- Harmony Grove CDP, CA
- Hidden Meadows CDP, CA
- Imperial Beach city, CA
- Jacumba CDP, CA
Browse all cities, towns and communities for San Diego County
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.
Small boundary contacts to check
These maps have small contacts that do not confidently establish another jurisdiction or clock zone. They remain separate from the main answer. Check a precise address near the line with the responsible authority.