Castle Hill California Map

About Castle Hill, California

Castle Hill is a locality in Contra Costa County, California, United States. It has a population of approximately 1,026. The population density is 860.7 people per km². Castle Hill is located at 37.8747°N, 122.0585°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 94595.

Castle Hill rises from the undulating landscape, a place where the San Francisco Bay’s influence is felt in the salty tang of the air and the persistent, soft breeze that whispers through the golden grasses. It lies 2.2 miles south of Walnut Creek, CA (from Walnut Creek, CA: bearing 171°T), and is situated 7.3 miles south-south-west of Concord. The terrain here is a study in subtle shifts, from the gentle slopes that lead towards the water to the more rugged contours that suggest a deeper, more ancient geology. Oak trees, gnarled and enduring, dot the hillsides, their branches reaching out like weathered hands, while the muted greens and browns of the vegetation speak of a climate that balances the dry heat of summer with the cool, damp embrace of winter fog. The light, especially in the late afternoon, has a peculiar quality, a luminescence that seems to filter through the very haze that often softens the distant city skyline, lending a dreamlike cast to the ordinary contours of the land. Historically, Castle Hill’s identity has been shaped by its proximity to the great waterway and the fertile soil that surrounds it, a legacy evident in the remnants of agricultural endeavors that once dominated the scene. While the primary economic engine has shifted, the echoes of that past persist, a quiet undercurrent beneath the modern bustle. Today, the area thrives on a more diverse economy, drawing strength from its residential appeal and its connection to the broader innovation hubs of the Bay Area. A particular charm lies in the way the local character seems to blend the practicalities of modern living with a deep, unspoken appreciation for the natural beauty that has always defined Castle Hill.

About This Castle Hill Map Page

This page provides an interactive Google map of Castle Hill, California with street, satellite and terrain views and integrated Street View imagery. 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 Castle Hill and Contra Costa County.

Detailed location data for Castle Hill includes the ZIP code (94595), telephone area code (510), county seat of Contra Costa County (Martinez), and school district assignment (Acalanes 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 Castle Hill is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.