Clayton, Contra Costa County, California

Clayton: City in California, United States


Clayton is a city located in the county of Contra Costa in the U.S. state of California. Its population at the 2010 census was 10,897. After 10 years in 2020 city had an estimated population of 11,527 inhabitants.

The city was created 165 years ago in 1856.

Quick Facts about Clayton

Population : 11,527 (2020)
Country : United States of America
State : California (United States)
County : Contra Costa County
Postal code : 94517
Phone Area Codes : 925
Water as percent of area : 0%
Land as percent of area : 100%
Altitude : 394 feet / 120 meters
Establishment : January 01, 1857 (165 years ago)
Time Zone : America/Los_Angeles
Local time : 10:07:02 (5th December 2022)
Population growth : 5.47% (2010-2020)
Clayton locator map
Location of Clayton on California map.
Parts Of Clayton  CA image
Parts Of Clayton CA
Parts Of Clayton  CA image


Clayton is located at 37°56'28"N 121°56'9"W (37.9410300, -121.9357900).

Clayton map

Clayton has 1 neighbours.


The population of Clayton increased by 5.47% in 10 years.

Year Population % Change Method
1970 1,385 -
2010 10,897 87.29% census
2011 11,148 2.25% estimation process
2012 11,271 1.09% estimation process
2013 11,481 1.83% estimation process
2014 11,667 1.59% estimation process
2015 11,840 1.46% estimation process
2016 12,008 1.4% estimation process
2017 12,127 0.98% estimation process
2018 12,196 0.57% estimation process
2019 12,265 0.56% estimation process
2020 11,527 -6.4% estimation process

Clayton zip code is 94517. County name: Contra Costa, County fips: 06013

Clayton, Clayton's, Claytonville, Deadfall, Klejton, Klejtun, ke lai dun, klaytwn, kletana, klytwn kalyfrnya, kureiton, qlyytwn, Клейтън, Клејтон, קלייטון, كلايتون, کلیتون، کالیفرنیا, क्लेटन, クレイトン, 克莱顿

People born in Clayton (5)

People born in Clayton, including biologist Clarence Erwin McClung, former professional basketball player Paul Napolitano, football player, born 1980 Sam Williams, .


  • Bob Jones (American baseball player) he was born in 02/12/1889
  • David Miller (American darts player) he was born in 24/06/1955

Schools in Clayton

College & universities near Clayton, CA

Code Name City ZIP
382258 Mt. Diablo Adult Education-Mt. Diablo USD Concord (CA) 94518-1199
117894 Los Medanos College Pittsburg (CA) 94565
491756 Urban Barber College Concord (CA) 94520-2522
116712 John F. Kennedy University Pleasant Hill (CA) 94523-4817
459231 Paul Mitchell the School-East Bay Pleasant Hill (CA) 94523

Stations (50)

Amtrak & bus stations near Clayton, CA

Code Name Address Type
ACA Antioch–Pittsburg 100 I Street RAIL
MTZ Martinez station 601 Marina Vista Ave. RAIL
DBP Dublin-Pleasanton, California 5801 Owens Drive BUS
OAC Oakland Coliseum station 700 73rd Avenue RAIL
RVT Rio Vista, CA 28 South Front Street BUS

Post offices near Clayton

Post Office Name City ZIP
Clayton Post Office Clayton (CA) 94517
Casa Corr Post Office Concord (CA) 94521
Ygnacio Valley Post Office Walnut Creek (CA) 94598
Atlantic Plaza Post Office Pittsburg (CA) 94565
Todos San Post Office Concord (CA) 94520

Other places with the same name (20)

Other cities in Contra Costa County

Cities, Towns, Neighborhoods & Other Populated Places in Contra Costa County , CA. (more)

City Name Population Title
Concord 128,544 Capital city of state of New Hampshire, United States; county seat of Merrimack County, New Hampshire
Antioch 111,605 City in California, United States of America
Richmond 110,038 City in Contra Costa County, California, United States
San Ramon 82,865 City in California, United States
Pittsburg 72,622 City in California
Walnut Creek 69,936 City in Contra Costa County, California, USA
Brentwood 65,017 City in California, United States
Danville 44,883 Town in Contra Costa County, California
Oakley 42,710 City in California
Martinez 38,027 City in Contra Costa County, California, USA
Pleasant Hill 34,781 City in Contra Costa County, California, USA
San Pablo 30,779 City in Contra Costa County, California, United States
Hercules 26,221 City in western Contra Costa County, California
Lafayette 25,992 City in California
El Cerrito 25,403 City in Contra Costa County, California, United States
Bay Point 21,534 Census designated place in California

Distance to Other Cities

Clayton distances to largest California cities