PlainZIP

Fairfax, CA · standard

ZIP Code 94930

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

8,500
205/sq mi
$145,362
Median income
$1,170,000
Median home value
70.7%
Bachelor's or higher

The verdict

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

Top 4%
household income, US ZIPs
Top 2%
home value, US ZIPs
205
people per sq mi
70%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94930 against every reporting US ZIP.

ZIP code 94930 is a mid-sized community (a standard USPS delivery area) in Fairfax, Marin County, California, home to 8,500 residents across 41.4 square miles, a density of 205 people per square mile, in the Los Angeles time zone.

ZIP 94930 skews affluent, with a median household income of $145,362 (43% above the California average), while per-capita income is $81,981. Local economic indicators show a 11.0% poverty rate alongside 10.6% unemployment. Housing costs here run $1,170,000 for a typical home value (51% above the state average), with rent averaging $2,397 a month; 69.8% of homes are owner-occupied.

This is a highly-educated ZIP: 70.7% of adults hold a bachelor's degree or higher, the median age is 48.2, and the average commute is 29 minutes. To put 94930 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Marin County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 94930

Top 5 sectors by establishment count in Fairfax, CA

Which industries have the most business establishments in ZIP 94930.

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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 94930, Fairfax, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

8,500

Population

41.4

Area (sq mi)

205

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 94930?

48.2

Median Age

49.5%

Male

50.5%

Female

10.2%

Foreign-Born

White 82.8%
African American 1.8%
Asian 2.9%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 1.1%
Two or More Ethnicities 9.0%
Hispanic or Latino 6.5%

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?

$145,362

Median Household Income

+43% vs state

$81,981

Per Capita Income

11.0%

Poverty Rate

10.6%

Unemployment Rate

28.8 min

Mean Commute Time

How ZIP 94930 ranks nationally

Fairfax, CA household income vs. every US ZIP code

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

$145,362 Top 4% higher than 96% 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 77.6%
Bachelor's Degree or Higher 70.7%

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

What does housing look like?

3,729

Total Housing Units

3,565

Occupied Units

164

Vacant Units

2.35

Avg Household Size

Occupancy Type

Owner 69.8%
Renter 30.2%

$1,170,000

Median Home Value

+51% vs state

$2,397

Median Rent

1954

Median Year Built

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

How have home values changed over time?

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

+2.5%

YoY Change (2024)

298

HPI Index (2000 = 100)

+198%

Total Change Since 2000

Home values in ZIP 94930 have increased 2.5% over the past year (2024). Since 2000, this ZIP has seen +198% cumulative appreciation.

Year Annual Change HPI Index
2020 +0.3% 211
2021 +10.6% 234
2022 +8.8% 255
2023 +14.4% 291
2024 +2.5% 298

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 273 business establishments in ZIP 94930, employing approximately 1,776 people with a combined annual payroll of $91,943,000.

273

Businesses

1,776

Employees

$91.9M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 56 20.5%
Construction 43 15.8%
Accommodation and food services 33 12.1%
Retail trade 29 10.6%
Other services (except public administration) 22 8.1%
Health care and social assistance 17 6.2%
Arts, entertainment, and recreation 15 5.5%
Administrative and support and waste management and remediation services 14 5.1%
Real estate and rental and leasing 13 4.8%
Information 8 2.9%
Educational services 7 2.6%
Manufacturing 5 1.8%
Finance and insurance 5 1.8%
Wholesale trade 3 1.1%

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 94930 vs 94957 →

ZIP 94930 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 94930 ranks #5 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 94930 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 94930 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
94957 Ross, CA 1,332 2.7 mi
94960 San Anselmo, CA 15,740 2.9 mi
94904 Greenbrae, CA 11,995 3.1 mi
94973 Woodacre, CA 1,429 3.6 mi
94970 Stinson Beach, CA 683 4.0 mi
94963 San Geronimo, CA 569 4.6 mi
94939 Larkspur, CA 6,859 4.7 mi
94903 San Rafael, CA 29,040 5.3 mi
94933 Forest Knolls, CA 865 5.2 mi
94941 Mill Valley, CA 30,496 5.6 mi

More ZIP Codes in Marin County

94901 standard
San Rafael, CA
Pop: 41,157
94941 standard
Mill Valley, CA
Pop: 30,496
94903 standard
San Rafael, CA
Pop: 29,040
94947 standard
Novato, CA
Pop: 24,283
94949 standard
Novato, CA
Pop: 17,202
94945 standard
Novato, CA
Pop: 17,167

Related Areas

Marin County Fairfax, CA California

Frequently Asked Questions

What county is ZIP code 94930 in? ▼
ZIP code 94930 (Fairfax) 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 94930? ▼
ZIP code 94930 in Fairfax, CA has a population of 8,500 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 94930? ▼
The median household income in ZIP 94930 is $145,362, which is 91% above the national average of $76,288.
What is the average home value in ZIP 94930? ▼
The median home value in ZIP 94930 is $1,170,000, which is 321% above the national average of $278,155.
What is the demographic makeup of ZIP 94930? ▼
The largest racial group in ZIP 94930 is White at 82.8%. Hispanic or Latino residents make up 6.5% of the population.
How many businesses are in ZIP code 94930? ▼
ZIP code 94930 has 273 business establishments employing approximately 1,776 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 94930? ▼
The top industries by establishment count in ZIP 94930 are: Professional, scientific, and technical services (56), Construction (43), Accommodation and food services (33). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 94930? ▼
According to the FHFA House Price Index, home values in ZIP 94930 increased by 2.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 198%. 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 94930? ▼
In ZIP code 94930, 77.6% of residents aged 25+ have a high school diploma or higher, and 70.7% 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 94930? ▼
The mean commute time for workers in ZIP code 94930 is 28.8 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 94930? ▼
In ZIP code 94930, approximately 69.8% of occupied housing units are owner-occupied and 30.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 94930? ▼
The poverty rate in ZIP code 94930 is 11.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.