ZIP Code 91901 - Alpine California

ZIP Code 91901 is located in Alpine California. Portions of 91901 are also in Descanso and Harbison Canyon. 91901 is entirely within San Diego County. Regionally, it is located in Metro San Diego.

Stats Demographics Geography Politics Schools Climate Related Pages

ZIP Code 91901 Quick Stats

ZIP Code NameAlpine
Primary CountySan Diego County
ZIP Code TypeStandard
Population (2022)18,669
Area Code(s)619 / 858
Current Time

ZIP Code 91901 Map

91901 Demographics

91901 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in California based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 91901 is White. The majority race/ethnicity attending public schools in 91901 is White. The current unemployment level in 91901 is 4.1%.

Population Growth Rate0.00%
Population Density189 People per Square Mile
Total Households6,161
Percentage High Income Households11.3%
Median Houshold Income (2021)$105,679
Average Adjusted Gross Income (2020)$100,050
Current Unemployment Rate (February 2024)4.1%
Majority Race/EthnictyWhite - 79.21%
Public School Majority Race/EthnictyWhite - 58.42%

91901 Race/Ethnicty Breakdown

Native American3191.66%
Hawaiian/Pac. Islander940.49%

91901 Public School Race/Ethnicty Breakdown

Native American573.47%
Hawaiian/Pac. Islander20.12%

91901 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College6495.79%
Bachelor Degree2,21519.75%
High School Diploma2,80525.01%
No High School Diploma2862.55%
GED or Alternate3433.06%
1 or More Years of College2,42121.58%
Associates Degree1,25011.14%
Masters Degree8057.18%
Professional Degree2842.53%
Doctorate Degree1591.42%

91901 Geography

Adjacent ZIP Codes
Cities/Towns in 91901
RegionMetro San Diego
Metropolitan/Micropolitan Stat AreaSan Diego-Chula Vista-Carlsbad, CA
Time ZonePacific Standard Time
IANA TimezoneAmerica/Los_Angeles
Area99 Square Miles

91901 Politics

US Congressional Districts in 91901
California State Senate Districts in 91901
California State Assembly Districts in 91901

91901 Weather and Climate Data

Plant Hardiness ZoneZone 9b: 25F to 30F
Average First Frost DateDecember 21 - 31
Average Last Frost DateFebruary 11 - 20
Koppen-Geiger Climate ZoneCsb - Warm-Summer Mediterranean Climate

91901 Annual Climate Data

Avg Min Temp (°F)40414245495459605851444049
Avg Max Temp (°F)65666772768591928881726577
Avg Precip (In.)3.713.584.

Most Popular ZIP Code Searches in California