San Rafael, CA · standard

ZIP Code 94903

Marin County, California — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

29,040
560/sq mi
$142,083
Median income
$1,197,300
Median home value
55.5%
Bachelor's or higher

The verdict

San Rafael pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 5%
household income, US ZIPs
Top 1%
home value, US ZIPs
560
people per sq mi
66%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94903 against every reporting US ZIP.

ZIP code 94903 is classified by USPS as a standard delivery area and covers roughly 51.9 square miles in San Rafael, Marin County, California. The area is home to 29,040 residents, producing a population density of 560 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 94903 against California and the nation.

On the economic side, the median household income for ZIP 94903 sits at $142,083 (40% above the California average), while per-capita income is $77,317. The poverty rate stands at 6.9% and the unemployment rate at 6.3%. On housing, the median home value is $1,197,300 (55% above the state average) with median rent at $2,993 per month, and 65.8% of occupied units are owner-occupied, a direct signal of whether 94903 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 55.5% of adults hold a bachelor's degree or higher, the median age is 49.5, and the average commute is 27 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Marin County, so you can benchmark 94903 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 94903

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 94903.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 94903, San Rafael, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

29,040

Population

51.9

Area (sq mi)

560

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 94903?

49.5

Median Age

45.5%

Male

54.5%

Female

20.7%

Foreign-Born

White 66.9%
African American 3.7%
Asian 6.1%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 12.8%
Hispanic or Latino 19.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$142,083

Median Household Income

+40% vs state

$77,317

Per Capita Income

6.9%

Poverty Rate

6.3%

Unemployment Rate

27.0 min

Mean Commute Time

How ZIP 94903 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$142,083 Top 5% higher than 95% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 68.0%
Bachelor's Degree or Higher 55.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

12,665

Total Housing Units

12,013

Occupied Units

652

Vacant Units

2.43

Avg Household Size

Occupancy Type

Owner 65.8%
Renter 34.2%

$1,197,300

Median Home Value

+55% vs state

$2,993

Median Rent

1968

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+0.3%

YoY Change (2024)

270

HPI Index (2000 = 100)

+170%

Total Change Since 2000

Home values in ZIP 94903 have increased 0.3% over the past year (2024). Since 2000, this ZIP has seen +170% cumulative appreciation.

Year Annual Change HPI Index
2020 -1.4% 211
2021 +7.7% 227
2022 +8.3% 246
2023 +9.2% 269
2024 +0.3% 270

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,144 business establishments in ZIP 94903, employing approximately 15,001 people with a combined annual payroll of $1,459,885,000.

1,144

Businesses

15,001

Employees

$1.5B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 224 19.6%
Professional, scientific, and technical services 202 17.7%
Construction 139 12.2%
Finance and insurance 83 7.3%
Other services (except public administration) 80 7.0%
Administrative and support and waste management and remediation services 71 6.2%
Real estate and rental and leasing 70 6.1%
Retail trade 59 5.2%
Accommodation and food services 57 5.0%
Educational services 32 2.8%
Information 30 2.6%
Wholesale trade 27 2.4%
Arts, entertainment, and recreation 22 1.9%
Manufacturing 18 1.6%
Transportation and warehousing 18 1.6%
Management of companies and enterprises 11 1.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 94903 vs 94949 →

ZIP 94903 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 94903 ranks #2 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 94903 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 94903 ranks #8 of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
94949 Novato, CA 17,202 2.9 mi
94960 San Anselmo, CA 15,740 2.4 mi
94957 Ross, CA 1,332 4.3 mi
94904 Greenbrae, CA 11,995 5.5 mi
94901 San Rafael, CA 41,157 4.1 mi
94973 Woodacre, CA 1,429 4.8 mi
94939 Larkspur, CA 6,859 6.1 mi
94945 Novato, CA 17,167 7.1 mi
94930 Fairfax, CA 8,500 5.3 mi
94963 San Geronimo, CA 569 6.5 mi

More ZIP Codes in Marin County

Frequently Asked Questions

What county is ZIP code 94903 in?
ZIP code 94903 (San Rafael) is located in Marin County, California. Marin County contains multiple ZIP codes, see the full list at /counties/marin-ca.
What is the population of ZIP code 94903?
ZIP code 94903 in San Rafael, CA has a population of 29,040 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 94903?
The median household income in ZIP 94903 is $142,083, which is 86% above the national average of $76,288.
What is the average home value in ZIP 94903?
The median home value in ZIP 94903 is $1,197,300, which is 330% above the national average of $278,155.
What is the demographic makeup of ZIP 94903?
The largest racial group in ZIP 94903 is White at 66.9%. Hispanic or Latino residents make up 19.4% of the population.
How many businesses are in ZIP code 94903?
ZIP code 94903 has 1,144 business establishments employing approximately 15,001 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 94903?
The top industries by establishment count in ZIP 94903 are: Health care and social assistance (224), Professional, scientific, and technical services (202), Construction (139). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 94903?
According to the FHFA House Price Index, home values in ZIP 94903 increased by 0.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 170%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 94903?
In ZIP code 94903, 68.0% of residents aged 25+ have a high school diploma or higher, and 55.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 94903?
The mean commute time for workers in ZIP code 94903 is 27.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 94903?
In ZIP code 94903, approximately 65.8% of occupied housing units are owner-occupied and 34.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 94903?
The poverty rate in ZIP code 94903 is 6.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for San Rafael, CA

Verify and explore additional data for this area using these official government sources.