| ZIP Code | 91901 |
| ZIP Code Name | Alpine |
| Primary County | San Diego County |
| ZIP Code Type | Standard |
| Population (2021) | 18,367 |
| Area Code(s) | 619 / 858 |
| Current Time | PST |
91901 is a United States ZIP Code located in Alpine California. Portions of 91901 are also in Descanso and Harbison Canyon. 91901 is entirely within San Diego County. 91901 is within Metro San Diego.
91901 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in California based on Median Household Income and Average Adjusted Gross Income. Measuring level of educational attainment the majority of adults in 91901 have at least a High School Diploma. 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 | 18,367 |
| Population Growth Rate | 0.71% |
| Population Density | 186 People per Square Mile |
| Total Households | 6,161 |
| Percentage High Income Households | 11.3% |
| Median Houshold Income (2021) | $105,679 |
| Average Adjusted Gross Income (2019) | $97,300 |
| Current Unemployment Rate (November 2023) | 4.1% |
| Majority Race/Ethnicty | White - 79.21% |
| Public School Majority Race/Ethnicty | White - 58.42% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 15,133 | 78.83% |
| Black | 224 | 1.17% |
| Hispanic | 2,889 | 15.05% |
| Asian | 539 | 2.81% |
| Native American | 319 | 1.66% |
| Hawaiian/Pac. Islander | 94 | 0.49% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 1,058 | 64.47% |
| Black | 23 | 1.4% |
| Hispanic | 486 | 29.62% |
| Asian | 15 | 0.91% |
| Native American | 57 | 3.47% |
| Hawaiian/Pac. Islander | 2 | 0.12% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 649 | 5.78% |
| Bachelor Degree | 2,215 | 19.73% |
| High School Diploma | 2,805 | 24.98% |
| No High School Diploma | 286 | 2.55% |
| GED or Alternate | 343 | 3.05% |
| 1 or More Years of College | 2,421 | 21.56% |
| Associates Degree | 1,250 | 11.13% |
| Masters Degree | 805 | 7.17% |
| Professional Degree | 284 | 2.53% |
| Doctorate Degree | 159 | 1.42% |
| Coordinates | 32.80795670,-116.71487427 |
| Adjacent ZIP Codes | |
| Cities/Towns in 91901 | |
| Region | Metro San Diego |
| Metropolitan/Micropolitan Stat Area | San Diego-Chula Vista-Carlsbad, CA |
| Time Zone | Pacific Standard Time |
| IANA Timezone | America/Los_Angeles |
| Area | 99 Square Miles |
| US Congressional Districts in 91901 | |
| California State Senate Districts in 91901 | |
| California State Assembly Districts in 91901 |
| School Districts in 91901 | |
| Elementary Schools in 91901 | |
| Middle Schools in 91901 | |
| High Schools in 91901 |
| Plant Hardiness Zone | Zone 9b: 25F to 30F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | December 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | February 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Csb - Warm-Summer Mediterranean Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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