San Diego County CA Information


San Diego County Subdivisions

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


Total Population 3,328,647
Daytime Population: Workers 1,604,683
Daytime Population: Residents 1,751,289
Total Daytime Population (TDP) 3,355,972
Ratio TDP/Total Population1 1.01
Population in Households 3,222,238
Population in Familes 2,566,248
Population in Group Qrtrs 106,409
Population Density2 791
Diversity Index3 78


Median Household Income $67,600
Average Household Income $96,336
Per Capita Income $34,472


Total Housing Units 1,230,784 (100%)
Owner Occupied HU 613,348 (49.8%)
Renter Occupied HU 548,128 (44.5%)
Vacant Housing Units 69,308 ( 5.6%)
Median Home Value $499,433
Average Home Value $581,436


Total Households 1,161,476
Average Household Size 2.77
Family Households 769,660
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 1.01% 0.94%
Households 0.92% 0.9%
Families 0.91% 0.9%
Median Household Income   2.56%
Per Capita Income   2.44%


San Diego County CA - Peer Comparisons by Rank and Percentile

The table below compares San Diego 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 # 2 98th
Population Density # 9 86th
Diversity Index # 24 60th
Median Household Income # 15 76th
Per Capita Income # 14 78th

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