San Luis Obispo, CA 93405 ZIP Code Profile

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San Luis Obispo, CA

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ZIP Code 93405: Basic Data & USPS Preferred City Name

Preferred Name, USPS
San Luis Obispo, CA 93405

Acceptable Alternative
SN Luis Obisp, CA 93405

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 448
  • Single Family Addresses: 7,436
  • Multi-Family Addresses: 1,752
  • County: San Luis Obispo County
  • Centroid: Latitude 35.278, Longitude -120.692
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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93405 ZIP Code Map

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San Luis Obispo, CA 93405 Data & Demographics (As of July 1, 2017)


Total Population 33,054
Daytime Population: Workers 11,691
Daytime Population: Residents 16,016
Total Daytime Population (TDP) 27,707
Ratio TDP/Total Population1 0.84
Population in Households 22,061
Population in Familes 9,796
Population in Group Qrtrs 10,993
Population Density2 262
Diversity Index3 59


Median Household Income $34,573
Average Household Income $64,275
Per Capita Income $20,129


Total Housing Units 9,798 (100%)
Owner Occupied HU 3,315 (33.8%)
Renter Occupied HU 5,711 (58.3%)
Vacant Housing Units 772 ( 7.9%)
Median Home Value $660,163
Average Home Value $708,854


Total Households 9,026
Average Household Size 2.44
Family Households 3,450
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 -0.02% 0.44%
Households 0.38% 0.6%
Families 0.34% 0.57%
Median Household Income   0.63%
Per Capita Income   2.04%

San Luis Obispo, CA 93405 - Peer Comparisons by Rank and Percentile

The table below compares 93405 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 # 534 70th
Population Density # 1060 40th
Diversity Index # 1107 37th
Median Household Income # 1590 10th
Per Capita Income # 1392 21st

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

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