Explore Blackhawk, California, with this interactive street and satellite map.
This page also offers TOPO MAPS — the official USGS topographic sheets — plus USGS aerial imagery, a labelled USNG grid overlay, a distance and bearing tool, and a GPS grid-reference readout. See How to Use This Map below.
This interactive map shows the street layout and satellite imagery for Blackhawk, California. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture. Drag the map to pan to any area of California or beyond.
Click ⛶ Fullscreen to expand the map to fill your screen. To return to the normal page view, press the Escape key, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).
TOPO MAPS — NEW. Click the green 🔍 Search Maps button below the map to open a second map with a Base map row offering three choices. OSM is the standard OpenStreetMap street map. Topo shows the official USGS topographic maps from The National Map — contours, hydrography, land cover and shaded relief, the same mapping used for hiking, hunting and back-country navigation in the Adirondacks, the Catskills and the Finger Lakes. Imagery shows USGS aerial photography, mostly 1-metre NAIP. The search box finds any US town, county or landmark by name, so you are not limited to Blackhawk.
Reading the map like a paper quad. Click Grid to overlay the U.S. National Grid (USNG), labelled along the edges exactly as a printed topographic sheet is — at normal zoom the squares are one kilometre across, so you can read a six-figure grid reference by eye and judge distance directly off the map. Click Measure, then tap two points, to get the distance between them together with the grid bearing in degrees and mils, the true bearing, and the magnetic bearing to set on a compass.
Click 📍 My position to take a single GPS reading from your device. It marks where you are and reports your position as a USNG grid reference as well as plain latitude and longitude — USNG being the format FEMA and US search and rescue teams work from — with a Copy position button so you can paste it straight into a text message. It takes one reading and stops, rather than tracking continuously, to conserve your battery. Note that map tiles need cell coverage, but a GPS reading does not — your coordinates stay correct even where the map itself cannot load.
| City | Blackhawk |
| State | California (CA) |
| County | Contra Costa County |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 37.809629 |
| Longitude | -121.913241 |
| Population | 9,637 |
| Density | 644.3 /km² |
| Incorporated | N/A |
| ZIP Code | 94506 |
| Area Code | 510 |
| County Seat | Martinez |
| School District | San Ramon Valley Unified School District |
Blackhawk unfolds across a landscape of gentle, grassy slopes that turn the color of toasted wheat under the intense heat of the summer sun. It lies 5.3 miles east-northeast of Arcata, CA (from Arcata, CA: bearing 78°T), and is situated 7.5 miles southeast of McKinleyville. The topography of Blackhawk is defined by the proximity of the rugged Coast Ranges, which loom on the horizon like a protective, hazy blue wall against the sky. Water shapes the rhythm of the land here, with the steady flow of West Branch Alamo Creek carving a quiet path through the terrain just a mile from the center. To the west, the steep and jagged terrain of Devils Slide interrupts the otherwise smooth contours of the earth. A stillness settles over the ground near Hidden Pond, where the water catches the fading light of the afternoon in a mirror of quiet clarity. Mount Diablo State Park serves as a sprawling backyard for the residents, offering an untamed expanse of wilder terrain that anchors the entire region to the earth.
Blackhawk emerged as a planned evolution of the land, shifting from its early agricultural roots into a residential enclave characterized by expansive properties and private gates. The local economy finds its strength in the professional endeavors of its residents, who often commute toward the broader regional hubs of commerce and technology. While the past remains visible in the lingering traces of old ranching fences and oak savanna, the modern character is defined by a commitment to managed growth and residential preservation. Industry here is subtle, favoring high-end services and private enterprise rather than the heavy manufacturing that once dominated other parts of the valley. Blackhawk maintains a quiet, deliberate pace, where the primary labor of the day involves the stewardship of one's own corner of this inland territory.
Cultural life in Blackhawk often centers on the shared experiences of its residents, who value the privacy and the deliberate structure of their surroundings. The architecture and landscaping reflect a preference for order, with wide streets and meticulously groomed spaces standing in contrast to the wilder, scrub-covered hillsides of Mount Diablo State Park. Visitors and locals alike might recognize the name of the professional golfer Johnny Miller, who has long been associated with the development and the character of the neighborhood. Community gatherings are infrequent but highly attended, often taking place in the quiet pockets of space that separate the larger estates. The atmosphere remains one of reserved composure, where the dry, fragrant air of the inland plains dictates the tempo of the afternoon. Blackhawk carries a sense of permanence, a place where the light at dusk lingers long enough to turn the dry grass to gold before the shadows of the hills finally claim the ground.
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This page provides an embedded street and satellite map of Blackhawk, California. Coordinates: 37.809629, -121.913241. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Blackhawk includes the ZIP code (94506), telephone area code (510), county seat of Contra Costa County (Martinez), and school district assignment (San Ramon Valley Unified School District).
Search Maps opens a second, independent map. It searches OpenStreetMap for any US town, county or landmark by name; offers USGS topographic maps and USGS aerial imagery as base layers; overlays a labelled U.S. National Grid (USNG) so the map can be read like a printed topographic quad; measures distance and grid, true and magnetic bearings between any two points; and takes a single GPS fix reporting your position as a USNG grid reference and as latitude and longitude. Map tiles require cell coverage, but a GPS position does not, so the coordinates remain correct even where the map cannot load.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | September 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Map layers | Google Maps; © OpenStreetMap contributors; USGS The National Map topographic and aerial imagery (public domain); magnetic declination from NOAA NCEI (World Magnetic Model) |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |