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 classified by USPS as a standard delivery area and covers roughly 41.4 square miles in Fairfax, Marin County, California. The area is home to 8,500 residents, producing a population density of 205 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 94930 against California and the nation.
On the economic side, the median household income for ZIP 94930 sits at $145,362 (43% above the California average), while per-capita income is $81,981. The poverty rate stands at 11.0% and the unemployment rate at 10.6%. On housing, the median home value is $1,170,000 (51% above the state average) with median rent at $2,397 per month, and 69.8% of occupied units are owner-occupied, a direct signal of whether 94930 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 70.7% of adults hold a bachelor's degree or higher, the median age is 48.2, and the average commute is 29 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Marin County, so you can benchmark 94930 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 94930
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 94930.
- Professional, scientific, and technical services
Professional, scientific, and technical services
56 establishments
- Construction
Construction
43 establishments
- Accommodation and food services
Accommodation and food services
33 establishments
- Retail trade
Retail trade
29 establishments
- Other services (except public administration) 22
Other services (except public administration)
22 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, 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 94930, Fairfax, 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
8,500
Population
41.4
Area (sq mi)
205
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 94930?
48.2
Median Age
49.5%
Male
50.5%
Female
10.2%
Foreign-Born
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
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
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?
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
$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.
- 94941
Mill Valley (94941)
30,496 residents
- 94903
San Rafael (94903)
29,040 residents
- 94960
San Anselmo (94960)
15,740 residents
- 94904 11,995
Greenbrae (94904)
11,995 residents
- 94930 8,500
Fairfax (94930)
8,500 residents
- 94939 6,859
Larkspur (94939)
6,859 residents
- 94973 1,429
Woodacre (94973)
1,429 residents
- 94957 1,332
Ross (94957)
1,332 residents
- 94933 865
Forest Knolls (94933)
865 residents
What this shows Among its immediate neighbors, ZIP 94930 ranks #5 by population — useful context the national average alone can't give.
ZIP 94930 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94957
Ross (94957)
$250,001 median income
- 94973
Woodacre (94973)
$231,094 median income
- 94963
San Geronimo (94963)
$210,823 median income
- 94941
Mill Valley (94941)
$209,870 median income
- 94939
Larkspur (94939)
$203,988 median income
- 94960
San Anselmo (94960)
$185,170 median income
- 94904
Greenbrae (94904)
$169,118 median income
- 94930
Fairfax (94930)
$145,362 median income
- 94903
San Rafael (94903)
$142,083 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.
| 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
Related Areas
Frequently Asked Questions
What county is ZIP code 94930 in? ▼
What is the population of ZIP code 94930? ▼
What is the median household income in ZIP 94930? ▼
What is the average home value in ZIP 94930? ▼
What is the demographic makeup of ZIP 94930? ▼
How many businesses are in ZIP code 94930? ▼
What are the main industries in ZIP code 94930? ▼
How have home values changed in ZIP code 94930? ▼
What is the education level in ZIP code 94930? ▼
What is the average commute time in ZIP 94930? ▼
What percentage of residents own vs. rent in ZIP 94930? ▼
What is the poverty rate in ZIP code 94930? ▼
ZIP Code Research Guides
Official Data Resources for Fairfax, CA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.