San Luis Obispo, CA 93401 ZIP Code Profile

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San Luis Obispo, CA

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ZIP Code 93401: Basic Data & USPS Preferred City Name

Preferred Name, USPS
San Luis Obispo, CA 93401

Acceptable Alternative
SN Luis Obisp, CA 93401

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 2,705
  • Single Family Addresses: 11,580
  • Multi-Family Addresses: 1,715
  • County: San Luis Obispo County
  • Centroid: Latitude 35.26, Longitude -120.653
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

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93401 ZIP Code Map

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San Luis Obispo, CA 93401 Data & Demographics (As of July 1, 2017)


Total Population 30,526
Daytime Population: Workers 37,389
Daytime Population: Residents 15,013
Total Daytime Population (TDP) 52,402
Ratio TDP/Total Population1 1.72
Population in Households 30,061
Population in Familes 17,424
Population in Group Qrtrs 465
Population Density2 515
Diversity Index3 48


Median Household Income $56,982
Average Household Income $84,844
Per Capita Income $38,344


Total Housing Units 14,699 (100%)
Owner Occupied HU 6,007 (40.9%)
Renter Occupied HU 7,603 (51.7%)
Vacant Housing Units 1,089 ( 7.4%)
Median Home Value $648,700
Average Home Value $667,929


Total Households 13,610
Average Household Size 2.21
Family Households 6,178
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 1.05% 1.1%
Households 1.03% 1.08%
Families 0.96% 1.04%
Median Household Income   2.46%
Per Capita Income   2.6%

San Luis Obispo, CA 93401 - Peer Comparisons by Rank and Percentile

The table below compares 93401 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 # 598 66th
Population Density # 949 46th
Diversity Index # 1337 24th
Median Household Income # 922 48th
Per Capita Income # 563 68th

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

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