ZIP Code 93420 - Arroyo Grande California

ZIP Code 93420 is located in Arroyo Grande California. Portions of 93420 are also in Los Berros and Oceano and Callender and Nipomo. 93420 is entirely within San Luis Obispo County. Regionally, it is located in Metro Los Angeles.

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ZIP Code 93420 Quick Stats

ZIP Code NameArroyo Grande
Primary CountySan Luis Obispo County
ZIP Code TypeStandard
Population (2022)32,126
Area Code(s)805 / 820
Current Time

ZIP Code 93420 Map

93420 Demographics

93420 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 93420 is White. The majority race/ethnicity attending public schools in 93420 is White. The current unemployment level in 93420 is 3.6%.

Population Growth Rate0.00%
Population Density127 People per Square Mile
Total Households11,360
Percentage High Income Households6.3%
Median Houshold Income (2021)$94,315
Average Adjusted Gross Income (2020)$106,840
Current Unemployment Rate (February 2024)3.6%
Majority Race/EthnictyWhite - 80.72%
Public School Majority Race/EthnictyWhite - 53.56%

93420 Race/Ethnicty Breakdown

Native American2090.66%
Hawaiian/Pac. Islander840.26%

93420 Public School Race/Ethnicty Breakdown

Native American180.38%
Hawaiian/Pac. Islander60.13%

93420 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1,7408.6%
Bachelor Degree4,59722.73%
High School Diploma3,96019.58%
No High School Diploma3161.56%
GED or Alternate4222.09%
1 or More Years of College4,07420.14%
Associates Degree2,29111.33%
Masters Degree1,7658.73%
Professional Degree6243.09%
Doctorate Degree4352.15%

93420 Geography

Adjacent ZIP Codes
Cities/Towns in 93420
RegionMetro Los Angeles
Metropolitan/Micropolitan Stat AreaSan Luis Obispo-Paso Robles, CA
Time ZonePacific Standard Time
IANA TimezoneAmerica/Los_Angeles
Area254 Square Miles

93420 Politics

US Congressional Districts in 93420
California State Senate Districts in 93420
California State Assembly Districts in 93420

93420 Weather and Climate Data

Plant Hardiness ZoneZone 9b: 25F to 30F
Average First Frost DateDecember 11 - 20
Average Last Frost DateFebruary 1 - 10
Koppen-Geiger Climate ZoneCsb - Warm-Summer Mediterranean Climate

93420 Annual Climate Data

Avg Min Temp (°F)41434445475053535350444147
Avg Max Temp (°F)65666770717476777775706671
Avg Precip (In.)

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