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| City | Johnstonville |
| State | California (CA) |
| County | Lassen |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 40.384341 |
| Longitude | -120.587448 |
| Population | 1,039 |
| Density | 43.5 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 96130 |
| Area Code | 530 |
| County Seat | Susanville |
| School District | Lassen Union High School District |
Johnstonville is a locality in Lassen County, California, United States. It has a population of approximately 1,039. The population density is 43.5 people per km². Johnstonville is located at 40.3843°N, 120.5874°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 96130.
Johnstonville rests in a broad valley, where the Lassen Peak’s ancient volcanic legacy is etched into the surrounding landscape. It lies 71.9 miles north-west of Reno, NV (from Reno, NV: bearing 325°T), and is situated 4.1 miles east-south-east of Susanville. The earth here is a rich, dark loam, frequently softened by the breath of the nearby Susan River, its waters a silver ribbon threading through meadows that stretch toward distant, softly rounded hills. Sagebrush, tenacious and fragrant, carpets the drier slopes, while cottonwoods, their leaves a vibrant, rustling green in the summer wind, line the watercourses, offering a dappled shade that feels like a cool balm on a warm afternoon. The sky above Johnstonville is an expansive dome, often painted with the dramatic hues of sunset, a spectacle that seems to linger, imprinting the day’s final light onto the quiet land. The economy of Johnstonville has long been tied to the fertility of this valley floor, with agriculture forming the bedrock of its existence. Generations have cultivated the land, coaxing sustenance from its generous soil, a tradition that continues to shape the rhythm of life here. Whispers of the past, when pioneers first carved their homesteads from this wilder country, are carried on the same winds that rustle through the alfalfa fields. The Susan River, more than just a source of water, has been a silent witness to this unfolding history, its banks holding the stories of those who came before. While modernization touches the edges, Johnstonville retains a palpable sense of its enduring connection to the land and the quiet, persistent spirit of its founding.
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This page provides an embedded street and satellite map of Johnstonville, California — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.384341, -120.587448. 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 Johnstonville and Lassen County.
Detailed location data for Johnstonville includes the ZIP code (96130), 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 Johnstonville 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. |