Costa Mesa, CA Profile: Facts, Map & Data


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Costa Mesa, California - Basic Facts

The City of Costa Mesa had a population of 116,004 as of July 1, 2016. Costa Mesa ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Costa Mesa is located at latitude 33.6659 and longitude -117.9123 in Orange County. The formal boundaries for the City of Costa Mesa (see map below) encompass a land area of 15.7 sq. miles and a water area of 0.08 sq. miles. Orange County is in the Pacific time zone (GMT -8). The elevation is 98 feet.

The City of Costa Mesa (GNIS ID: 2410239) 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 Costa Mesa is located within Central Coast CCD of Orange County.

Beneath the boundary map are tables with Costa Mesa population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Costa Mesa: Fairview, Goat Hill, Harper, Thurin.

Neighborhood Data

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City of Costa Mesa, CA Boundary Map

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Costa Mesa, CA Data & Demographics (As of July 1, 2016)


Total Population 116,004
Population in Households 112,738
Population in Familes 80,832
Population in Group Qrtrs 3,266
Population Density1 7,389
Diversity Index2 77


Total Households 41,654
Average Household Size 2.71
Family Households 24,274
Average Family Size 3


Total Housing Units 43,789 (100%)
Owner Occupied HU 15,949 (36.4%)
Renter Occupied HU 25,705 (58.7%)
Vacant Housing Units 2,135 ( 4.9%)
Median Home Value $639,320
Average Home Value $662,178


Median Household Income $67,788
Average Household Income $91,803
Per Capita Income $34,072
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.87% 0.94%
Households 0.69% 0.87%
Families 0.72% 0.86%
Median Household Income   2.73%
Per Capita Income   1.72%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Costa Mesa, CA - Peer Comparisons by Rank and Percentile

The table below compares Costa Mesa to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2016 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 # 54 97th
Population Density1 # 120 92nd
Diversity Index2 # 462 69th
Median Household Income # 462 70th
Per Capita Income # 475 69th

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

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