Arroyo Grande, CA 93420 ZIP Code Profile

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

Camera Icon Photos of the local Arroyo Grande, CA area

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: 842
  • Single Family Addresses: 11,669
  • 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

Search the map for:

Arroyo Grande, CA 93420 Data & Demographics (As of July 1, 2017)


Total Population 30,419
Daytime Population: Workers 9,046
Daytime Population: Residents 17,254
Total Daytime Population (TDP) 26,300
Ratio TDP/Total Population1 0.86
Population in Households 30,255
Population in Familes 24,631
Population in Group Qrtrs 164
Population Density2 89
Diversity Index3 48


Median Household Income $75,261
Average Household Income $101,987
Per Capita Income $41,162


Total Housing Units 13,208 (100%)
Owner Occupied HU 8,348 (63.2%)
Renter Occupied HU 3,860 (29.2%)
Vacant Housing Units 1,000 ( 7.6%)
Median Home Value $661,192
Average Home Value $708,775


Total Households 12,208
Average Household Size 2.48
Family Households 8,387
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.73% 0.93%
Households 0.69% 0.89%
Families 0.66% 0.88%
Median Household Income   1.92%
Per Capita Income   2.22%

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

The table below compares 93420 to the other 1,761 ZIP Codes in California by rank and percentile using July 1, 2017 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 # 599 66th
Population Density # 1222 31st
Diversity Index # 1319 25th
Median Household Income # 544 69th
Per Capita Income # 481 73rd

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

California Research Tools

California Census Data Comparison Tool

Compare California Census Data
Highest or Lowest: