Castella is a community in Shasta County, California, home to about 204 people across 1.1 square miles. Its ZIP code is 96017, and parts of 96025 are in Castella too.
Mostly Castella
Mostly Dunsmuir; part is in Castella
Each card is that ZIP code’s whole market, including any part outside Castella. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Castella’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Sacramento International Airport (SMF)174 miles away |
|---|---|
| Closer regional airport | Redding Municipal Airport (RDD)44 miles away |
| Nearest city of 250,000+ | Reno, NV170 miles away |
| Nearest city of 1 million+ | Los Angeles, CA536 miles away |
Straight-line distances from the center of Castella; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
It’s the 1373rd largest of 1,563 towns in California by population.
Shasta County grew from 17,318 residents in 1900 to 182,155 in 2020.
Shasta County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 30°F. About 63.4 inches of rain and melted snow fall in a typical year, with about 27 inches of snow.
Source: NOAA 1991–2020 climate normals, Dunsmuir Trtmt Pl, CA weather station (3 miles away).
53,944 jobs at 4,508 businesses in Shasta County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Libraries
Museums
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Castle Rock Union Elementary. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Castle Rock ElementaryCastella | K–8 | 42 | Public | 1.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Dunsmuir.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.