Arroyo Grande, CA 93420 ZIP Code Profile

Related Place Profiles:
Arroyo Grande, CA | Halcyon, CA

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ZIP Code 93420: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Arroyo Grande, CA 93420

Not Acceptable, USPS
Halcyon, CA 93420

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 839
  • Single Family Addresses: 11,613
  • Multi-Family Addresses: 482
  • County: San Luis Obispo County
  • Centroid: Latitude 35.12, Longitude -120.564
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


93420 ZIP Code Map

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Arroyo Grande, CA 93420 Data & Demographics (As of July 1, 2016)


Total Population 30,154
Population in Households 29,971
Population in Familes 24,414
Population in Group Qrtrs 183
Population Density1 89
Diversity Index2 48


Total Households 11,966
Average Household Size 2.5
Family Households 8,226
Average Family Size 3


Total Housing Units 13,115 (100%)
Owner Occupied HU 8,189 (62.4%)
Renter Occupied HU 3,777 (28.8%)
Vacant Housing Units 1,149 ( 8.8%)
Median Home Value $625,671
Average Home Value $652,128


Median Household Income $69,498
Average Household Income $94,629
Per Capita Income $37,812
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.63% 0.78%
Households 0.42% 0.71%
Families 0.41% 0.7%
Median Household Income   2.94%
Per Capita Income   1.87%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Arroyo Grande, CA 93420 - Peer Comparisons by Rank and Percentile

The table below compares 93420 to the other 1,756 ZIP Codes in California by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 594 66th
Population Density1 # 1222 30th
Diversity Index2 # 1301 26th
Median Household Income # 584 67th
Per Capita Income # 509 71st

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.