San Luis Obispo County CA Information


San Luis Obispo County Subdivisions

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


Total Population 284,693
Daytime Population: Workers 120,168
Daytime Population: Residents 154,679
Total Daytime Population (TDP) 274,847
Ratio TDP/Total Population1 0.97
Population in Households 268,942
Population in Familes 200,963
Population in Group Qrtrs 15,751
Population Density2 86
Diversity Index3 58


Median Household Income $61,765
Average Household Income $87,639
Per Capita Income $33,934


Total Housing Units 123,894 (100%)
Owner Occupied HU 63,066 (50.9%)
Renter Occupied HU 44,992 (36.3%)
Vacant Housing Units 15,836 (12.8%)
Median Home Value $550,627
Average Home Value $609,802


Total Households 108,058
Average Household Size 2.49
Family Households 67,433
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 0.75% 0.91%
Households 0.8% 0.92%
Families 0.79% 0.91%
Median Household Income   2.33%
Per Capita Income   2.45%


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, 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 # 23 62nd
Population Density # 34 43rd
Diversity Index # 41 31st
Median Household Income # 19 69th
Per Capita Income # 16 74th

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