California Census & Demographic Data - July 1, 2018


California Census Data

The tables below provide updated data and demographic estimates for California as of July 1, 2018. Our California Census Data Comparison Tool allows you to compare and rank CA cities, towns, ZIP Codes and Counties.

California Data & Demographics (As of July 1, 2018)


Total Population 39,806,791
Population in Households 38,993,198
Population in Familes 32,063,051
Population in Group Qrtrs 813,593
Population Density2 256
Diversity Index3 83


Median Household Income $69,051
Average Household Income $100,620
Per Capita Income $34,254


Total Housing Units 14,383,561 (100%)
Owner Occupied HU 7,294,468 (50.7%)
Renter Occupied HU 6,041,636 (42.0%)
Vacant Housing Units 1,047,457 ( 7.3%)
Median Home Value $505,800
Average Home Value $637,422


Total Households 13,336,104
Average Household Size 2.92
Family Households 9,166,028
Average Family Size 4
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.81% 0.82%
Households 0.71% 0.76%
Families 0.72% 0.76%
Median Household Income   3.25%
Per Capita Income   3.24%