Placentia, CA Profile: Facts & Data


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Placentia, California - Basic Facts

The City of Placentia had a population of 53,787 as of July 1, 2018. Placentia ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Placentia is located at latitude 33.8722 and longitude -117.8703 in Orange County. The formal boundaries for the City of Placentia (see map below) encompass a land area of 6.61 sq. miles and a water area of 0.01 sq. miles. Orange County is in the Pacific time zone (GMT -8). The elevation is 256 feet.

The City of Placentia (GNIS ID: 2411432) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Placentia is located within Anaheim-Santa Ana-Garden Grove CCD of Orange County.

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  1. Placentia 2018 Demographic Data
  2. Growth Rates for Placentia (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

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


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


Total Population 53,787
Population in Households 53,413
Population in Familes 45,392
Population in Group Qrtrs 374
Population Density2 8,133
Diversity Index3 80


Median Household Income $89,148
Average Household Income $116,314
Per Capita Income $37,332


Total Housing Units 17,548 (100%)
Owner Occupied HU 10,658 (60.7%)
Renter Occupied HU 6,453 (36.8%)
Vacant Housing Units 436 ( 2.5%)
Median Home Value $624,671
Average Home Value $642,069


Total Households 17,112
Average Household Size 3.12
Family Households 12,914
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 0.65% 0.63%
Households 0.43% 0.47%
Families 0.4% 0.5%
Median Household Income   2.86%
Per Capita Income   2.99%

Placentia, CA - Peer Comparisons by Rank and Percentile

The table below compares Placentia to the other 1,516 incorporated cities, towns and CDPs 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 # 178 88th
Population Density # 101 93rd
Diversity Index # 372 76th
Median Household Income # 297 80th
Per Capita Income # 483 68th

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

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