| ZIP Code | 94904 |
|---|---|
| City | Greenbrae |
| State | California (CA) |
| County | Marin County |
| Area Code | 415/628 |
| Elevation | 9 ft |
| Latitude | 37.947225 |
|---|---|
| Longitude | -122.551775 |
| Timezone | Los Angeles (DST) |
| FIPS | 06041 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 50.5 yrs ↑ 6% since 2019 |
|---|---|
| Avg Household Size | 2.28 |
| Below Poverty | 5.2% ▼ 48% below avg |
| College Grads | 75.5% ▲ 95% above avg |
| Unemployment | 3.6% ▼ 26% below avg |
| No HS Diploma | 57 (0.6%) |
| HS Graduate | 789 (8.9%) |
| Some College | 401 (4.5%) |
| Associates | 933 (10.5%) |
| Bachelors | 494 (5.5%) |
| Graduate Degree | 6,227 (70%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $161,875 ▲ 112% above avg ↑ 16% since 2019 |
|---|---|
| Median Home Value | $2,000,000+ ▲ 617% above avg ↑ 28% since 2019 |
| Home/Income Ratio | 12.4x (nat avg ~3.5x) |
| Median Rent | $2,538/mo ↑ 29% since 2019 |
| Total Units | 5,982 |
| Vacant Units | 331 |
| Avg HH Size | 2.28 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 5,982 |
|---|---|
| Vacant | 331 |
| Owner Occupied | 63.7% |
| Renter Occupied | 36.3% |
| Avg HH Size | 2.28 |
ZIP code 94904 is located in Greenbrae, California, within Marin County. With a population of 13,043, this is a lightly populated ZIP code with a mature community — the median age is 50.5 years. Economically, 94904 is a affluent ZIP code: the median household income of $161,875 is more than double the national average.
Real estate in ZIP code 94904 represents among the most expensive housing markets in the country. The median home value of $2,000,000+ is more than double the national average. Renters can expect to pay around $2,538 per month in median rent. Homeownership is strong here — 63.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 28% since 2019.
The population of 94904 is primarily White (73.41%). Residents are highly educated — 75.5% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 5.2%. Household income has grown by 16% since 2019.
The unemployment rate in 94904 stands at 3.6%, which is below the national average. A notably high share of workers — 35% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 48%.
Overall, ZIP code 94904 in Greenbrae, CA is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 13,043 residents, a median household income of $161,875, and a median home value of $2,000,000+, it offers a clear picture of life in this part of California.