Walnut Creek, CA Profile: Facts, Map & Data


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Walnut Creek, California - Basic Facts

The City of Walnut Creek had a population of 68,333 as of July 1, 2017.

The primary coordinate point for Walnut Creek is located at latitude 37.9027 and longitude -122.0405 in Contra Costa County. The formal boundaries for the City of Walnut Creek (see map below) encompass a land area of 19.76 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 171 feet.

The City of Walnut Creek (GNIS ID: 2412174) 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 Walnut Creek is located within Central Contra Costa CCD of Contra Costa County.

Beneath the boundary map are tables with Walnut Creek population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Walnut Creek, CA Boundary Map

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Walnut Creek, CA Data & Demographics (As of July 1, 2017)


Total Population 68,333
Daytime Population: Workers 53,701
Daytime Population: Residents 36,033
Total Daytime Population (TDP) 89,734
Ratio TDP/Total Population1 1.31
Population in Households 67,460
Population in Familes 48,470
Population in Group Qrtrs 873
Population Density2 3,458
Diversity Index3 52


Median Household Income $90,215
Average Household Income $132,179
Per Capita Income $62,331


Total Housing Units 33,664 (100%)
Owner Occupied HU 21,245 (63.1%)
Renter Occupied HU 10,984 (32.6%)
Vacant Housing Units 1,434 ( 4.3%)
Median Home Value $688,244
Average Home Value $702,412


Total Households 32,230
Average Household Size 2.09
Family Households 17,288
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 0.88% 0.89%
Households 0.8% 0.85%
Families 0.9% 0.78%
Median Household Income   2.48%
Per Capita Income   2.28%

Walnut Creek, CA - Peer Comparisons by Rank and Percentile

The table below compares Walnut Creek to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 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 # 132 91st
Population Density # 392 74th
Diversity Index # 963 37th
Median Household Income # 243 84th
Per Capita Income # 114 93rd

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

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