San Luis Obispo County CA Information


San Luis Obispo County Subdivisions

San Luis Obispo County CA Data & Demographics (As of July 1, 2016)


Total Population 280,968
Population in Households 264,349
Population in Familes 197,682
Population in Group Qrtrs 16,619
Population Density1 85
Diversity Index2 58


Total Households 105,277
Average Household Size 2.51
Family Households 65,760
Average Family Size 3


Total Housing Units 122,133 (100%)
Owner Occupied HU 61,349 (50.2%)
Renter Occupied HU 43,928 (36.0%)
Vacant Housing Units 16,856 (13.8%)
Median Home Value $527,337
Average Home Value $573,142


Median Household Income $58,701
Average Household Income $82,066
Per Capita Income $31,466
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.66% 0.76%
Households 0.5% 0.72%
Families 0.51% 0.73%
Median Household Income   2.19%
Per Capita Income   1.78%
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.


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, 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 # 23 62nd
Population Density1 # 34 43rd
Diversity Index2 # 42 29th
Median Household Income # 22 64th
Per Capita Income # 19 69th

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