Diablo, California

Diablo: CDP in Contra Costa County, California

About

Diablo is a city located in the county of Contra Costa in the U.S. state of California.

Diablo locator map
Location of Diablo on California map.

Quick Facts about Diablo

Population 1,158
Country United States of America
State California (United States)
County Contra Costa County
Postal code 94528
Phone Area Codes 925
Water as percent of area 0%
Land as percent of area 100%
Latitude & Longitude 37.8349,-121.9580
Altitude 528 feet / 161 meters
Time Zone Pacific Time Zone, UTC−07:00, UTC−08:00
Local time 17:33:50 (21st April 2026)
Weather 49℉ Rain 7-days weather
Contra Costa County California Incorporated and Unincorporated areas Diablo Highlighted locator map image
Contra Costa County California Incorporated and Unincorporated areas Diablo Highlighted locator map image

Geography

Diablo is located at 37°50'6"N 121°57'29"W (37.8349300, -121.9580100).

Diablo map

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Weather

49°F
Rain
3 to 14 mph SSW Monday Night

Rain. Cloudy. Low around 49, with temperatures rising to around 51 overnight. South southwest wind 3 to 14 mph, with gusts as high as 23 mph. Chance o...

7-Day Forecast
Diablo zip code is 94528. County name: Contra Costa, County fips: 06013

Nearby Schools and Colleges

Schools and campuses linked to Diablo, CA. Select a name to open its map and contact details.

Code Name City ZIP
481474 J D Academy of Salon and Spa Danville (CA) 94526

Nearby Transit Stations (50)

Rail and bus stations connected to Diablo, CA. Select a station to open its map and address details.

Code Name Address Type
DBP Dublin-Pleasanton, California 5801 Owens Drive BUS
PLS Pleasanton, CA 4950 Pleasanton Avenue RAIL
HAY Hayward station 22555 Meekland Avenue RAIL
OAC Oakland Coliseum station 700 73rd Avenue RAIL
ACA Antioch–Pittsburg 100 I Street RAIL

Closest post offices linked to Diablo.

Post Office Name City ZIP
Diabl Post Office Diablo (CA) 94528

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 The third most populous city in Contra Costa County, California.
Antioch 111,605 The most populous city in Contra Costa County, California.
Richmond 110,038 The most populous city in Contra Costa County, California.
San Ramon 82,865 A city in Contra Costa County, California.
Pittsburg 72,622 A city in Contra Costa County, California.
Walnut Creek 69,936 The fifth most populous city in Contra Costa County, California.
Brentwood 65,017 The most populous city in Contra Costa County, California.
Danville 44,883 Town in Contra Costa County, California
Oakley 42,710 A city in Contra Costa County, 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

Diablo distances to largest California cities