Townapedia
Diablo Valley Country Club 1 2016-08-28
Diablo Valley Country Club 1 2016-08-28 · F ASTILY, CC BY-SA 4.0
Diablo Valley Country Club 2 2016-08-28
Diablo Valley Country Club 2 2016-08-28 · F ASTILY, CC BY-SA 4.0
Danville Southern Pacific Railroad Depot (Danville, CA)
Danville Southern Pacific Railroad Depot (Danville, CA) · Sanfranman59, CC BY-SA 3.0
Pinyon Mouse (Peromyscus truei) (7252907854)
Pinyon Mouse (Peromyscus truei) (7252907854) · Franco Folini, CC BY-SA 2.0
Evernia prunastri 159120338
Evernia prunastri 159120338 · Al Kordesch, CC0
Aerial View of Athenian School
Aerial View of Athenian School · Kyle Hawton, CC BY-SA 4.0

Diablo, California

Diablo is a community of 1,232 people in Contra Costa County, California.

Loading the weather...
Population1,232 +175.0% since 2019
Elevation528 ft 161 m
Land area1.4 sq mi
ZIP codes94506, 94528
Nearest airportBuchanan Field Airport (CCR) 12 mi

Why visit Diablo

Townapedia lists 1 museum or landmark, 6 parks and trails, 1 place to stay and 3 attractions in and around town.

Highlights include Artist Point, Danville station and Sycamore Valley Regional Open Space Preserve.

August is the warmest month, with average highs of 83°F; December lows average 41°F.

About Diablo

Diablo (Spanish for "Devil") is a census-designated place (CDP) in Contra Costa County, California, United States. The population was 1,255 at the 2020 census. It is located 2.5 miles (4.0 km) east-northeast of Danville.

From the Wikipedia article Diablo, California (this version), under CC BY-SA 4.0.

Things to do3

Artist Point

Scenic view · 1.3 mi

Open in Google Maps

Sentinel Rock

Scenic view · 1.4 mi

Open in Google Maps

Wall Point

Scenic view · 1.1 mi

Open in Google Maps

Museums and landmarks1

Danville station

Monument and historic site · National Register of Historic Places · 2.8 mi

Former railroad station in Danville, California, United States

Open in Google Maps · Wikipedia

Parks, trails and playgrounds6

Sycamore Valley Regional Open Space Preserve

Park · 2.2 mi

Open in Google Maps · Wikipedia

Big Rock

Park · 1.4 mi

Open in Google Maps

Diablo Country Club

Golf course · 0.6 mi

Open in Google Maps

Grotto

Park · 1.4 mi

Open in Google Maps

Play Yard

Playground · 0.8 mi

Open in Google Maps

Uplands

Park · 1.5 mi

Open in Google Maps

Advertisement

Where to stay1

Live Oak Campground

Campground · 1.3 mi

Open in Google Maps

Churches and places of worship2

Schools, colleges and libraries40

Advertisement

Map of Diablo

53 places. The map loads OpenStreetMap tiles when you open it.

Climate by month

40°60°80°January: 5.1 in of rainFebruary: 4.9 in of rainMarch: 3.7 in of rainApril: 1.9 in of rainMay: 1.1 in of rainJune: 0.3 in of rainJuly: 0.0 in of rainAugust: 0.0 in of rainSeptember: 0.1 in of rainOctober: 1.2 in of rainNovember: 2.6 in of rainDecember: 5.1 in of rainJanuary: 54°FFebruary: 55°FMarch: 58°FApril: 62°FMay: 68°FJune: 76°FJuly: 82°FAugust: 83°FSeptember: 80°FOctober: 72°FNovember: 60°FDecember: 53°FJanuary: 42°FFebruary: 42°FMarch: 43°FApril: 44°FMay: 49°FJune: 55°FJuly: 62°FAugust: 61°FSeptember: 60°FOctober: 54°FNovember: 46°FDecember: 41°FJFMAMJJASOND
Average high Average low Rain
Monthly table
MonthHighLowRainSnow
Jan54°F42°F5.1 in0.1 in
Feb55°F42°F4.9 in0.5 in
Mar58°F43°F3.7 in0.1 in
Apr62°F44°F1.9 in0.0 in
May68°F49°F1.1 in0.0 in
Jun76°F55°F0.3 in0.0 in
Jul82°F62°F0.0 in0.0 in
Aug83°F61°F0.0 in0.0 in
Sep80°F60°F0.1 in0.0 in
Oct72°F54°F1.2 in0.0 in
Nov60°F46°F2.6 in0.0 in
Dec53°F41°F5.1 in0.0 in

U.S. Climate Normals 1991-2020 for Mt Diablo Junction (3 mi away), NOAA NCEI.

People and cost of living

$248,150median household income
$2,000,001median home value
43.3median age
72.3%of adults have a bachelor's degree or higher
100.0%of homes are owner-occupied
32.8 minaverage commute
Age of residents
Under 1821%18 to 345%35 to 6455%65 and over19%

American Community Survey 5-year estimates, 2020-2024, U.S. Census Bureau. Estimates have margins of error, larger for small towns.

Disaster history

Contra Costa County has had 9 federal disaster declarations since 2000, most often for floods.

  • 2023-01-14: Severe Winter Storms, Flooding, Landslides, And Mudslides (Flood)
  • 2023-01-09: Severe Winter Storms, Flooding, And Mudslides (Flood)
  • 2020-03-22: Covid-19 Pandemic (Biological)
  • 2020-03-13: Covid-19 (Biological)
  • 2017-04-01: Severe Winter Storms, Flooding, And Mudslides (Flood)
  • 2017-03-16: Severe Winter Storms, Flooding, And Mudslides (Flood)

OpenFEMA disaster declarations summaries.

Getting there and nearby towns

Buchanan Field Airport (CCR) is the nearest airport with scheduled flights listed in OpenStreetMap, 12 miles away.

  • Danville 2 mi south, about 3 min by car
  • Blackhawk 3 mi southeast, about 5 min by car
  • Alamo 3 mi west, about 5 min by car
  • San Ramon 5 mi south, about 9 min by car
  • Walnut Creek 6 mi northwest, about 10 min by car
  • Castle Hill 6 mi northwest, about 10 min by car
  • Clayton 7 mi north, about 11 min by car
  • Concord 9 mi north, about 15 min by car
  • Dublin 9 mi south, about 15 min by car
  • Moraga 9 mi west, about 15 min by car

Drive times are estimates from straight-line distance, not routes.

Reviews, tips and questions

Loading what members have shared...

Sources and licences

Photo credits

Page built October 30, 2026. Spotted a mistake? Tell us or suggest a place.