Marin County · California
ZIP code 94940
- Population
- 275
- Median income
- —
- Median home
- —
- Sales tax
- 7.25%
ZCTA residents
Household, past 12 months
Owner-occupied value
California state rate
Quick answer
ZIP 94940 sits in Marin County, California and is home to 275 people. Median household income is —, the median home is worth — and median gross rent is —. 54.5% of households own their home, and purchases are taxed at 7.25% (California state rate).
- County
- Marin County
- State
- California (CA)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 06041
1,803 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 94940
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 275ZIP 94940 residents
- Median household income
- —Past 12 months, inflation adjusted
- Median home value
- —Owner-occupied units
- Median gross rent
- —Rent plus utilities, monthly
- Median age
- 57.2 yrsAll residents
- Homeownership rate
- 54.5%Owner-occupied households
Sales tax in 94940
What a purchase inside this ZIP costs at checkout.
California levies 7.25% statewide, and counties, cities and special districts inside this ZIP can add their own local rate on top. Check the county page for the local component before you quote a price.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 94940 compares
ZIP 94940 against the median ZIP in Marin County and across California.
| Measure | ZIP 94940 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | — | $138,379 | $89,916 | — |
| Median home value | — | $1,475,450 | $628,900 | — |
| Median gross rent | — | $2,538 | $1,851 | — |
| Population | 275 | 2,151 | 15,085 | -98% |
Medians are computed across the 29 ZIP areas in Marin County and the 1803 ZIP areas in California.
Statewide rank
Where this ZIP places among all 1803 California ZIP areas.
- Income
- —
- Home value
- —
- Population
- #1,614
Not published
Not published
larger than 10% of 1,803 state ZIPs
Nearby ZIP codes
Other ZIP codes filed under Marin County.
ZIP 94940 questions
Common questions about this ZIP code.
- Where is ZIP code 94940?
- ZIP 94940 lies mostly in Marin County, California. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 94940?
- California charges 7.25% statewide, plus any county, city or district rate that applies locally.
- Is 94940 expensive to live in?
- Median rent runs — a month, and the median home is worth — — — against the typical California ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- California Department of Tax and Fee Administration — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.