Santa Clara County CA Information


Santa Clara County Subdivisions

Santa Clara County CA Data & Demographics (As of July 1, 2018)


Total Population 1,959,999
Population in Households 1,929,501
Population in Familes 1,603,941
Population in Group Qrtrs 30,498
Population Density1 1,519
Diversity Index2 81


Median Household Income $104,053
Average Household Income $142,837
Per Capita Income $48,397


Total Housing Units 683,281 (100%)
Owner Occupied HU 370,042 (54.2%)
Renter Occupied HU 287,064 (42.0%)
Vacant Housing Units 26,175 ( 3.8%)
Median Home Value $806,813
Average Home Value $947,697


Total Households 657,106
Average Household Size 2.94
Family Households 464,267
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 1.16% 1.06%
Households 1.02% 0.98%
Families 1.02% 0.98%
Median Household Income   2.59%
Per Capita Income   2.91%


Santa Clara County CA - Peer Comparisons by Rank and Percentile

The table below compares Santa Clara 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 # 6 91st
Population Density # 8 88th
Diversity Index # 15 78th
Median Household Income # 2 98th
Per Capita Income # 4 95th

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