Orange County CA Information


Orange County Subdivisions

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  1. Orange County 2018 Demographic Data
  2. Growth Rates forOrange County (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. California Research Tools (Easy Tools & Current Data)
  3. California Data Comparison Tool - 2018 Demographics

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


Total Population 3,253,957
Population in Households 3,211,065
Population in Familes 2,671,051
Population in Group Qrtrs 42,892
Population Density2 4,116
Diversity Index3 80


Median Household Income $85,323
Average Household Income $119,319
Per Capita Income $39,365


Total Housing Units 1,113,263 (100%)
Owner Occupied HU 605,386 (54.4%)
Renter Occupied HU 455,577 (40.9%)
Vacant Housing Units 52,300 ( 4.7%)
Median Home Value $666,984
Average Home Value $777,960


Total Households 1,060,963
Average Household Size 3.03
Family Households 757,269
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 0.95% 0.86%
Households 0.81% 0.79%
Families 0.81% 0.79%
Median Household Income   3.23%
Per Capita Income   3.11%


Orange County CA - Peer Comparisons by Rank and Percentile

The table below compares Orange 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 # 3 97th
Population Density # 2 98th
Diversity Index # 19 69th
Median Household Income # 6 91st
Per Capita Income # 11 83rd

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

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California Census Data Comparison Tool

Compare California July 1, 2018 Data
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