Orinda, CA Profile: Facts, Map & Data


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Orinda, California - Basic Facts

The City of Orinda had a population of 18,635 as of July 1, 2016. Orinda ranks in the lower quartile for 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 Orinda is located at latitude 37.8816 and longitude -122.1686 in Contra Costa County. The formal boundaries for the City of Orinda (see map below) encompass a land area of 12.85 sq. miles and a water area of 0.01 sq. miles. Contra Costa County is in the Pacific time zone (GMT -8). The elevation is 495 feet.

The City of Orinda (GNIS ID: 2411334) 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 Orinda is located within Central Contra Costa CCD of Contra Costa County.

Beneath the boundary map are tables with Orinda 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 Orinda: Orinda Park.

Neighborhood Data

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City of Orinda, CA Boundary Map

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


Total Population 18,635
Population in Households 18,557
Population in Familes 16,473
Population in Group Qrtrs 78
Population Density1 1,450
Diversity Index2 42


Total Households 6,847
Average Household Size 2.71
Family Households 5,371
Average Family Size 3


Total Housing Units 7,065 (100%)
Owner Occupied HU 5,951 (84.2%)
Renter Occupied HU 896 (12.7%)
Vacant Housing Units 218 ( 3.1%)
Median Home Value $1,000,001
Average Home Value $1,052,747


Median Household Income $164,613
Average Household Income $232,235
Per Capita Income $86,298
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.89% 1.11%
Households 0.72% 1.02%
Families 0.53% 1.02%
Median Household Income   1.3%
Per Capita Income   1.49%
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.

Orinda, CA - Peer Comparisons by Rank and Percentile

The table below compares Orinda 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 # 360 76th
Population Density1 # 686 55th
Diversity Index2 # 1134 25th
Median Household Income # 25 98th
Per Capita Income # 19 99th

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

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