Zip Code 91355
Santa Clarita, California — Los Angeles County
📍 ZIP code 91355 is in Santa Clarita, Los Angeles County, California.
ZIP code 91355 is located in Santa Clarita, Los Angeles County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 28,777. The area code for ZIP code 91355 is 818.
Quick Answer
Zip code 91355 is in Santa Clarita, California (Los Angeles County). It has a population of 28,777, median household income of $109,348, and median home value of $744,300.
Population
28,777
Income
$109,348
Home Value
$744,300
Climate
94°F / 47°F
About Zip Code 91355
Zip code 91355 is located in Santa Clarita, California, within Los Angeles County. Home to approximately 28,777 residents, this area sits at an elevation of 1317 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 818.
The median household income is $109,348 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $744,300, and the cost of living index is 206 (106% above the national average of 100).
Summers average a high of 94°F while winters drop to 47°F. The area receives about 17 in of rain annually. The zip code covers 15.5 square miles of land area and 0.1 square miles of water.
Key Statistics
28,777
$109,348
$744,300
Pacific (PST/PDT)
818
1317 ft
15.5 sq mi
43.2
12,338
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Compare With Nearby Zip Codes
| Metric | 91355 | 91381 | 91354 | 91384 | 91350 | 93040 |
|---|---|---|---|---|---|---|
| City | Santa Clarita, CA | Newhall, CA | Santa Clarita, CA | Santa Clarita, CA | Santa Clarita, CA | Piru, CA |
| Population | 28,777 | 21,857 | 33,059 | 27,278 | 43,621 | 1,904 |
| Median Income | $109,348 | $146,706 | $148,818 | $129,603 | $135,612 | $123,472 |
| Home Value | $744,300 | $1,029,300 | $803,000 | $693,600 | $733,000 | $580,800 |
| Cost of Living | 206 | 250 | 235 | 206 | 220 | 147 |
| Median Age | 43.2 | 41.2 | 39.6 | 35.1 | 38 | 32.7 |
Cost of Living
100 = National Average. Santa Clarita's cost of living is 106% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
6.8x
Demographics
Zip code 91355 has a population of 28,777 people with a median age of 43.2. There are 12,338 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Santa Clarita (91355) population trend from 2010 to 2024
↑ 46.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
94°F
47°F
17 in
0 in
Santa Clarita experiences hot summers with average highs around 94°F. Winters are mild with lows averaging 47°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$744,300
Median Household Income
$109,348
With 12,338 housing units across 15.5 square miles, 91355 has a housing density of 796 units per square mile. The home price-to-income ratio is 6.8x.
Location & Geography
Latitude
34.4401°
Longitude
-118.6441°
Land Area
15.5 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 91355 (Santa Clarita, CA) with distances:
All Zip Codes in Santa Clarita, CA
Other zip codes serving Santa Clarita:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 91355's $109,348. A way to compare Santa Clarita to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 91355 (Santa Clarita, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Santa Clarita, California?
Santa Clarita, California uses zip code 91355 along with 4 other zip codes.
What county is zip code 91355 in?
Zip code 91355 is located in Los Angeles County, California.
What is the population of zip code 91355?
The population of zip code 91355 is 28,777 with a median age of 43.2.
Is 91355 in Santa Clarita, California?
Yes, zip code 91355 is in Santa Clarita, Los Angeles County, California. The area code is 818.
Frequently Asked Questions
What city is zip code 91355 in?
Zip code 91355 is in Santa Clarita, California. It is part of Los Angeles County and uses the Pacific (PST/PDT) timezone.
What is zip code 91355?
Zip code 91355 is a U.S. postal code in Santa Clarita, California (Los Angeles County). It has a population of 28,777 and covers 15.5 square miles.
What is the population of zip code 91355?
The population of zip code 91355 (Santa Clarita, CA) is 28,777 with a median age of 43.2. There are approximately 12,338 housing units in this area.
What is the median income in zip code 91355?
The median household income in zip code 91355 (Santa Clarita, CA) is $109,348 per year. The cost of living index is 206 (100 = national average).
What is the average home price in zip code 91355?
The median home value in zip code 91355 (Santa Clarita, CA) is $744,300. The cost of living index is 206 compared to the national average of 100.
What county is zip code 91355 in?
Zip code 91355 is located in Los Angeles County, California. The primary city is Santa Clarita.
What is the area code for zip code 91355?
Zip code 91355 in Santa Clarita, CA uses area code 818. It is located in the Pacific (PST/PDT) timezone.
Is zip code 91355 a good place to live?
Zip code 91355 (Santa Clarita, CA) has a cost of living index of 206 (100 = national average), a median household income of $109,348, and median home values of $744,300. The median age is 43.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 91355?
The cost of living index for zip code 91355 (Santa Clarita, CA) is 206, where 100 represents the national average. This area is above the national average. Median home value: $744,300.
What schools serve zip code 91355?
Zip code 91355 in Santa Clarita, California is served by the local school district of Los Angeles County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.