Explore Newcastle, 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 Newcastle, 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 Newcastle.
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 | Newcastle |
| State | California (CA) |
| County | Placer County |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 38.874066 |
| Longitude | -121.133281 |
| Population | 1,321 |
| Density | 213.2 /km² |
| Incorporated | N/A |
| ZIP Code | 95658 |
| Area Code | 530 |
| County Seat | Auburn |
| School District | Placer Union High School District |
Newcastle rises from the golden, sun-scorched earth of the foothills, defined by the steady, deliberate flow of the Newcastle Canal that carves a quiet path through the landscape. It lies 3.4 miles west-southwest of Auburn, CA (from Auburn, CA: bearing 243°T), and is situated 8.0 miles northeast of Rocklin. Beyond the immediate reach of the canal, the ground breaks into the rugged, uneven terrain of the North Ravine, while the distant, hazy silhouette of the Coast Ranges marks the western limit of the horizon. During the height of summer, the oak savanna turns a pale, tinder-dry amber, and the light at dusk settles over the fields with a heavy, honeyed clarity that seems to suspend the afternoon in amber. Residents often gather at the Newcastle Ball Diamond, a central point where the dry scent of dust and cut grass defines the slow, steady rhythm of the day.
Newcastle carries the weight of a long agricultural legacy, once serving as a vital shipping point for the region’s fruit harvests when the orchards were the primary pulse of the local economy. The landscape remains scarred by the remnants of this industrious past, where the soil still holds the memory of deep-rooted trees and the labor of those who moved goods across these inland expanses. While the transit of freight has shifted, the quiet character of the place persists, anchored by the proximity of tranquil waters like Doty Flat and the distant, cooling spray of Hidden Falls. For those who wander further into the surrounding terrain, the Pioneer Express Trail offers a path through the dense, scrubby woodlands, tracing the same rugged geography that has dictated the pace of life in Newcastle for generations.
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This page provides an embedded street and satellite map of Newcastle, California. Coordinates: 38.874066, -121.133281. 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 Newcastle includes the ZIP code (95658), telephone area code (530), county seat of Placer County (Auburn), and school district assignment (Placer Union High 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. |