Explore Janesville, California, with this interactive street and satellite map. You can “grab” the Janesville, CA street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | Janesville |
| State | California (CA) |
| County | Lassen |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 40.296564 |
| Longitude | -120.524112 |
| Population | 2,399 |
| Density | 27.9 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 96114 |
| Area Code | 530 |
| County Seat | Susanville |
| School District | Lassen Union High School District |
Janesville is a locality in Lassen County, California, United States. It has a population of approximately 2,399. The population density is 27.9 people per km². Janesville is located at 40.2966°N, 120.5241°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 96114.
Janesville rests against the eastern slopes of the Sierra Nevada, a quiet expanse where the high desert air, carrying the scent of sagebrush and sun-baked earth, meets the foothills. It lies 65.0 miles north-west of Reno, NV (from Reno, NV: bearing 325°T), and is situated 6.9 miles south-south-east of Johnstonville. The land here is a study in muted tones – ochre and umber soil, studded with the resilient green of juniper and the silvery shimmer of grasses that sway in the constant, soft wind. Distant peaks, often dusted with snow even into late spring, form a rugged backdrop, their sheer faces catching the light in dramatic shifts throughout the day. The sky above Janesville is a vast, unbroken canvas, where clouds drift like slow-moving ships, and at dusk, it bleeds into hues of rose and lavender, a painter's final, lingering touch before the stars ignite. The history of Janesville is deeply entwined with the land's bounty and the enduring spirit of those who sought a life here. Early settlers, drawn by the promise of fertile ground and access to water, established ranches and farms, their efforts shaping the agricultural character that still defines Janesville’s economy today, with alfalfa and cattle being central to its livelihood. The nearby Honey Lake, though its waters recede and expand with the seasons, has always been a vital resource, a shimmering mirror reflecting the vast skies and supporting a delicate ecosystem. There's a palpable sense of continuity in Janesville, a quiet understanding of the cycles of nature and the perseverance required to thrive in this high-altitude environment, a spirit that echoes the independent heart of the West.
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This page provides an embedded street and satellite map of Janesville, California — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.296564, -120.524112. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Janesville and Lassen County.
Detailed location data for Janesville includes the ZIP code (96114), telephone area code (530), county seat of Lassen County (Susanville), and school district assignment (Lassen Union High School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Janesville is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |