ZIP code · Dulzura · California · United States
ZIP code 91917 — Dulzura
ZIP code 91917 serves Dulzura, California.
- Postal code
- 91917Single source Value from one source, not cross-checked.
- City
- Dulzura
- County
- San Diego FIPS 06073
- State
- California
- Country
- United States
- Coordinates
- 32.6152, -116.7285 — precision precise (locality)
View on OpenStreetMap - Population
- 889 (ZCTA, ACS 5-year)
- Population density
- 17 / sq mi
- Land area
- 51.8 sq mi (134.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $157,941
- Per-capita income
- $32,747
- Median age
- 30.6
- Households
- 236
- Housing units
- 337
- Median home value
- $756,500
- Median gross rent
- $1,543 / month
- Congressional district
- CA-48 (119th Congress)
- USDA hardiness zone
- 10a (30 to 35 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 91917 with another ZIP · ZIPs within 25 miles · distance from 91917
Map of ZIP code 91917
Climate — monthly normals
Warmest month Aug (avg high 81°F), coldest Dec (avg low 44°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 67 | 66 | 68 | 70 | 71 | 74 | 78 | 81 | 80 | 77 | 72 | 67 |
| Avg low °F | 44 | 45 | 47 | 50 | 54 | 58 | 62 | 63 | 61 | 55 | 49 | 44 |
| Precip in | 1.8 | 2.4 | 1.5 | 0.8 | 0.3 | 0.1 | 0.0 | 0.0 | 0.2 | 0.4 | 0.8 | 1.8 |
NOAA 1991–2020 climate normals from the nearest station: SAN DIEGO BROWN FLD (14.9 mi) · NOAA NCEI
Places in ZIP 91917
- 1 schools
- 1 playgrounds
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page