Zip Code 94903
San Rafael, California — Marin County
📍 ZIP code 94903 is in San Rafael, Marin County, California.
ZIP code 94903 is located in San Rafael, Marin County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 31,135. The area code for ZIP code 94903 is 707.
Quick Answer
Zip code 94903 is in San Rafael, California (Marin County). It has a population of 31,135, median household income of $127,464, and median home value of $1,149,400.
Population
31,135
Income
$127,464
Home Value
$1,149,400
Climate
81°F / 43°F
About Zip Code 94903
Zip code 94903 is located in San Rafael, California, within Marin County. Home to approximately 31,135 residents, this area sits at an elevation of 174 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 707.
The median household income is $127,464 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $1,149,400, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 81°F while winters drop to 43°F. The area receives about 34 in of rain annually. The zip code covers 20.1 square miles of land area and 0.7 square miles of water.
Key Statistics
31,135
$127,464
$1,149,400
Pacific (PST/PDT)
707
174 ft
20.1 sq mi
48.7
12,708
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Compare With Nearby Zip Codes
| Metric | 94903 | 94960 | 94949 | 94973 | 94901 | 94904 |
|---|---|---|---|---|---|---|
| City | San Rafael, CA | San Anselmo, CA | Novato, CA | Woodacre, CA | San Rafael, CA | San Rafael, CA |
| Population | 31,135 | 15,891 | 18,357 | 1,652 | 41,095 | 13,043 |
| Median Income | $127,464 | $172,332 | $116,101 | $207,273 | $108,837 | $161,875 |
| Home Value | $1,149,400 | $1,589,200 | $1,075,600 | $1,111,100 | $1,369,500 | $2M+ |
| Cost of Living | 250 | 250 | 250 | 250 | 250 | 250 |
| Median Age | 48.7 | 46.4 | 47.5 | 59.2 | 42.2 | 50.5 |
Cost of Living
100 = National Average. San Rafael's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
9.0x
Demographics
Zip code 94903 has a population of 31,135 people with a median age of 48.7. There are 12,708 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
San Rafael (94903) population trend from 2010 to 2024
↓ -27.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
81°F
43°F
34 in
0 in
San Rafael experiences warm summers with average highs around 81°F. Winters are mild with lows averaging 43°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$1,149,400
Median Household Income
$127,464
With 12,708 housing units across 20.1 square miles, 94903 has a housing density of 632 units per square mile. The home price-to-income ratio is 9.0x.
Location & Geography
Latitude
38.0221°
Longitude
-122.5588°
Land Area
20.1 sq mi
Water Area
0.7 sq mi
Nearby Zip Codes
Zip codes closest to 94903 (San Rafael, CA) with distances:
All Zip Codes in San Rafael, CA
Other zip codes serving San Rafael:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 94903's $127,464. A way to compare San Rafael 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 94903 (San Rafael, 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 San Rafael, California?
San Rafael, California uses zip code 94903 along with 2 other zip codes.
What county is zip code 94903 in?
Zip code 94903 is located in Marin County, California.
What is the population of zip code 94903?
The population of zip code 94903 is 31,135 with a median age of 48.7.
Is 94903 in San Rafael, California?
Yes, zip code 94903 is in San Rafael, Marin County, California. The area code is 707.
Frequently Asked Questions
What city is zip code 94903 in?
Zip code 94903 is in San Rafael, California. It is part of Marin County and uses the Pacific (PST/PDT) timezone.
What is zip code 94903?
Zip code 94903 is a U.S. postal code in San Rafael, California (Marin County). It has a population of 31,135 and covers 20.1 square miles.
What is the population of zip code 94903?
The population of zip code 94903 (San Rafael, CA) is 31,135 with a median age of 48.7. There are approximately 12,708 housing units in this area.
What is the median income in zip code 94903?
The median household income in zip code 94903 (San Rafael, CA) is $127,464 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 94903?
The median home value in zip code 94903 (San Rafael, CA) is $1,149,400. The cost of living index is 250 compared to the national average of 100.
What county is zip code 94903 in?
Zip code 94903 is located in Marin County, California. The primary city is San Rafael.
What is the area code for zip code 94903?
Zip code 94903 in San Rafael, CA uses area code 707. It is located in the Pacific (PST/PDT) timezone.
Is zip code 94903 a good place to live?
Zip code 94903 (San Rafael, CA) has a cost of living index of 250 (100 = national average), a median household income of $127,464, and median home values of $1,149,400. The median age is 48.7. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 94903?
The cost of living index for zip code 94903 (San Rafael, CA) is 250, where 100 represents the national average. This area is above the national average. Median home value: $1,149,400.
What schools serve zip code 94903?
Zip code 94903 in San Rafael, California is served by the local school district of Marin 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.