Also See: Clayton, CA ZIP Codes & ZIP Code Maps
The City of Clayton had a population of 11,374 as of July 1, 2020.
The primary coordinate point for Clayton is located at latitude 37.941 and longitude -121.9358 in Contra Costa County. The formal boundaries for the City of Clayton encompass a land area of 3.84 sq. miles and a water area of 0 sq. miles. Contra Costa County is in the Pacific time zone (GMT -8). The elevation is 394 feet.
The City of Clayton (GNIS ID: 2409474) 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 Clayton is located within Central Contra Costa CCD of Contra Costa County.
Alternate Unofficial Names for Clayton: Clayton's, Claytonville, Deadfall.
|Total Population||11,374 (100%)|
|Population in Households||11,364 (99.9%)|
|Population in Families||10,086 (88.7%)|
|Population in Group Quarters1||10 ( 0.1%)|
|Median Household Income||$158,122|
|Average Household Income||$202,182|
|% of Income for Mortgage4||21%|
|Per Capita Income||$75,538|
|Total HU (Housing Units)||4,304 (100%)|
|Owner Occupied HU||3,776 (87.7%)|
|Renter Occupied HU||449 (10.4%)|
|Vacant Housing Units||79 ( 1.8%)|
|Median Home Value||$805,785|
|Average Home Value||$826,543|
|Housing Affordability Index3||116|
|Average Household Size||2.69|
|Average Family Size||3|
GROWTH RATE / YEAR
|Median Household Income||1.66%|
|Per Capita Income||2.0%|
|Owner Occupied HU||0.34%|
The table below compares Clayton to the other 1,521 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2020 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.
|Total Population||# 461||70th|
|Population Density||# 463||70th|
|Median Household Income||# 72||95th|
|Housing Affordability Index||# 1080||71st|
|Per Capita Income||# 98||94th|
|Diversity Index||# 1081||29th|
Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.