Residential delivery area · California
ZIP Code 94941: Mill Valley, CA
ZIP code 94941 uses the postal name Mill Valley, California and lies entirely in Marin County (Census 2020 ZIP-county file). About 33,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $209,870 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Mill Valley (13%), Tamalpais-Homestead Valley (12%), Strawberry (3%) and Alto (under 1%); 71% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mill Valley · its only residential ZIP
- County
- Marin County
- Census places
- Mill Valley (13%); Tamalpais-Homestead Valley (12%) census-designated place; Strawberry (3%) census-designated place; Alto (under 1%) census-designated place
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-2 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 37.7 sq mi · 867 people per sq mi
- PO Box ZIPs
- 94942 also use the name Mill Valley
Where is ZIP code 94941?
94941 centers on 37.925°, -122.600° and covers 37.7 square miles of land plus 1.4 of water. It borders 12 ZIP codes: 94904, 94930, 94970, 94939, 94925, 94973, 94963, 94965, 94920, 94933 and more.
The map draws ZIP code areas only. For the streets inside 94941, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 94941 compare with the rest of Marin County?
| Measure | 94941 | In Marin County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 32,706 | 3rd of 29 | 545th of 1,802 |
| Median household income | $210k | 4th of 15 | 39th of 1,189 |
| Median home value | $2M+ | 1= of 20 | 1= of 1,317 |
1= means a shared first place: 94941's median home value ties with 5 other ZIP codes at the Census cap in Marin County; median home value ties with 61 other ZIP codes at the Census cap in California.
Its median household income is higher than in 99% of U.S. residential ZIP codes, and it is denser than 77% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 94941?
The 2020 Census counted 31,480 people in 94941; the ACS, which samples households over 2020-2024, estimates 32,706. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 32,706
- 2020 Census count
- 31,480
- Households
- 12,916
- Median age
- 45.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 94941?
Of the 32,706 people the ACS estimates in 94941, 22.0% are under 18 and 20.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (76.4%).
- Under 1822.0%
- 18 to 6457.1%
- 65 and older20.9%
- White, not Hispanic76.4%
- Hispanic or Latino7.9%
- Asian, not Hispanic7.4%
- Other or two or more7.3%
- Black, not Hispanic1.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 94941 earn?
Median household income is $209,870 (ACS 2020-2024), the 4th highest of the 15 ranked ZIP codes in Marin County.
- Median household income
- $209,870
- Income per person
- $116,323
- Below the poverty line
- 5.8%
- Unemployed (of the labor force)
- 6.5%
- Adults 25+ with a bachelor's degree
- 75.9%
- Adjusted gross income per tax return, 2022
- $371,88014,780 returns; wages 53% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 94941?
FHFA's house price index for 94941, built from repeat sales and appraisals of the same homes, rose 29% from 2015 to 2025 and rose 26% from 2020 to 2025, and moved +8.8% in 2025.
- Median home value (owners' estimate)
- $2,000,000 or more
- Median gross rent
- $3,077
- Homes owned by their occupants
- 68.2%
- Housing units
- 14,315
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 94941?
1,264 business establishments had a location in this ZIP code in 2023, 27 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services268
- Health care and social assistance176
- Retail trade109
- Real estate and rental and leasing108
- Other services (except public administration)99
- Finance and insurance97
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 94941?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94904 | Greenbrae | 12,815 | $169k | 3.1 mi |
| 94930 | Fairfax | 8,406 | $145k | 3.2 mi |
| 94970 | Stinson Beach | 255 | $133k | 3.3 mi |
| 94939 | Larkspur | 7,315 | $204k | 3.6 mi |
| 94925 | Corte Madera | 10,077 | $233k | 5.1 mi |
| 94973 | Woodacre | 1,689 | $231k | 6.4 mi |
| 94963 | San Geronimo | 739 | $211k | 6.7 mi |
| 94965 | Sausalito | 11,724 | $147k | 7.2 mi |
| 94920 | Belvedere Tiburon | 12,609 | $246k | 7.9 mi |
| 94933 | Forest Knolls | 1,033 | $133k | 8.0 mi |
| 94924 | Bolinas | 1,372 | $102k | 8.1 mi |
| 94938 | Lagunitas | 437 | – | 10.1 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Mill Valley?
1 more ZIP code carries the postal name Mill Valley, CA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 94942 | Marin County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.