Blackhawk

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Blackhawk

Total population

10,137

Air quality index

25Good

Elevation304 m

Land area15.05 km²

Weather68°F · Sunny

Coordinates37.81°, -121.91°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

City facts

Facts from Wikidata (CC0).

Overview

Blackhawk is an unincorporated planned community and census-designated place located in Contra Costa County, California, United States, east of Danville and Oakland. As of the 2020 census it had a population of 9,637. Governed by county rules/regulations and a homeowner association (HOA), Blackhawk has a country club, two golf courses, sports complex, restaurants, and the adjacent Blackhawk Plaza. 24-hour security plus additional law enforcement contracted through the Contra Costa County Sheriff's Office is provided by HOA dues. The area is covered by the San Ramon Valley Fire Protection District. The ZIP code is 94506. The community is inside area code 925. Blackhawk is known for its uniform architecture. It has a median household income being $167,875 and median home price of $1,117,500.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Current forecast

Forecast for Blackhawk, CA from NOAA NWS API.

Air quality

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Wildlife & biodiversity

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Earthquake history

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Nearby places in California

• Camino Tassajara
  2 mi away
• Danville
  3.1 mi away
• Diablo
  3.2 mi away
• Castle Hill
  9.1 mi away
• Clayton
  9.1 mi away
• Castro Valley
  10.8 mi away
• Contra Costa Centre
  11.1 mi away
• Acalanes Ridge
  11.2 mi away
• Fairview
  11.6 mi away
• Ashland
  13.6 mi away
• Cherryland
  13.8 mi away
• Byron
  15.5 mi away

Browse all places in California →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about Blackhawk

The Blackhawk landslide

Ronald L. Shreve · 1968

Geology of Blackhawk Canyon, San Bernardino Mountains, California

Alfred O. Woodford · 1928

Easton & Ward, Blackhawk Ranch, Diablo, Contra Costa County, California

Blackhawk Ranch · 1923

Ansel M. Easton, William A. Ward, the Blackhawk Ranch shorthorns, first annual sale, August 17, 1926, at Blackhawk Ranch, Diablo, Contra Costa County, California

Blackhawk Ranch · 1926

Blackhawk Manuscript

Fredy Argir (Author) · 1999

Blackhawk automotive museum

Scott R. Miller · 1988

California bicentennial.

1975

Violent encounters

Deborah Lawrence · 2011

Search results from Open Library.

Recent natural events nearby

• PUTAH Wildfire, Yolo, California
  Wildfires · 2026-06-08 · 50 mi
• WALTZ Wildfire, Mariposa, California
  Wildfires · 2026-06-05 · 96 mi
• BRITE Wildfire, Kern, California
  Wildfires · 2026-05-09 · 217 mi
• RIVER Wildfire, Kern, California
  Wildfires · 2026-05-18 · 238 mi
• TOWER Wildfire, Kern, California
  Wildfires · 2026-05-03 · 241 mi
• Foothill Wildfire, Santa Barbara, California
  Wildfires · 2026-05-19 · 243 mi

Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).

Gallery

Geotagged photos within ~6 miles of Blackhawk, from Wikimedia Commons contributors.

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Photos via Wikimedia Commons — see each image page for license & attribution.