Casmalia is a community in Santa Barbara County, California, home to about 55 people across 0.2 square miles. Its ZIP code is 93429.
Homes sold for a median of $436 per square foot in the three months ending August 2026.
Mostly Casmalia
Each card is that ZIP code’s whole market, including any part outside Casmalia. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Hollywood Burbank/Bob Hope Airport (BUR)132 miles away |
|---|---|
| Closer regional airport | Santa Maria Public Airport Captain G Allan Hancock Field (SMX)6 miles away |
| Nearest city of 250,000+ | Bakersfield, CA92 miles away |
| Nearest city of 1 million+ | Los Angeles, CA134 miles away |
Straight-line distances from the center of Casmalia; 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.
Casmalia had 147 residents in the 2020 census, up 7% since 2010.
It’s the 1507th largest of 1,563 towns in California by population.
Santa Barbara County grew from 18,934 residents in 1900 to 448,229 in 2020.
Santa Barbara County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 75°F in summer, and winter lows average 40°F. About 13.4 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Santa Maria Public Ap, CA weather station (6 miles away).
160,460 jobs at 12,484 businesses in Santa Barbara 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.
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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.