San Luis Obispo County CA Information


San Luis Obispo County Subdivisions

San Luis Obispo County CA Data & Demographics (As of July 1, 2018)


Total Population 287,863
Population in Households 272,063
Population in Familes 205,321
Population in Group Qrtrs 15,800
Population Density1 87
Diversity Index2 58


Median Household Income $65,731
Average Household Income $93,615
Per Capita Income $35,915


Total Housing Units 123,639 (100%)
Owner Occupied HU 67,929 (54.9%)
Renter Occupied HU 40,433 (32.7%)
Vacant Housing Units 15,277 (12.4%)
Median Home Value $599,988
Average Home Value $712,399


Total Households 108,362
Average Household Size 2.51
Family Households 67,664
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. 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 0.8% 0.88%
Households 0.73% 0.87%
Families 0.74% 0.87%
Median Household Income   3.63%
Per Capita Income   3.7%


San Luis Obispo County CA - Peer Comparisons by Rank and Percentile

The table below compares San Luis Obispo County to the other 58 counties and county equivalents in California by rank and percentile using July 1, 2018 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 # 23 62nd
Population Density # 34 43rd
Diversity Index # 41 31st
Median Household Income # 18 71st
Per Capita Income # 15 76th

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