Mill Valley, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Mill Valley, California is 14,064 as of the 2023 American Community Survey, making it the 418th-largest city in California. The median household income is $208,466, the median home value is $2,000,001, and the median age is 47.2.
The population has declined 0.1% since 2010 (13,921 → 13,904).
14,064
Population
2941
People / sq mi
$208,466
Median Income
$2,000,001
Median Home Value
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Mill Valley covers 4.8 sq mi of land at 2941 people per square mile.
About Mill Valley, CA
In Mill Valley, home values do the distinguishing — a median of $2,000,001. With 14,064 residents, Mill Valley is a city in California.
Households here are among the highest-earning of all US cities: median income is $208,466, above the US median of $78,538. Poverty is among the lowest of comparable US cities, at 1.7% — below the national 12.4%. Home prices are steep, with the typical property valued at $2,000,001, with typical rent around $3,313.
Mill Valley is among the best-educated US cities: 77.1% of adults 25 and older hold a bachelor’s degree, above the national 35.0%. An unusually large 37.2% of workers are remote, above the national 14.0%, and the average commute runs about 25 minutes each way.
High housing values reframe the income picture in Mill Valley — even solid earnings stretch less against home prices and rents at this level.
Mill Valley city Population History (2010-2024)
The city of Mill Valley city had a population of 13,921 in 2010 and 13,904 in 2024, a -0.1% growth over 14 years. The peak was 14,379 in 2014. Average annual growth rate: -0.01%.
13,904
Population (2024)
13,921
Population (2010)
14,379
Peak (2014)
-0.01%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 13,921 |
| 2011 | 14,064 |
| 2012 | 14,157 |
| 2013 | 14,307 |
| 2014 | 14,379 |
| 2015 | 14,377 |
| 2016 | 14,351 |
| 2017 | 14,287 |
| 2018 | 14,296 |
| 2019 | 14,259 |
| 2020 | 14,203 |
| 2021 | 14,144 |
| 2022 | 13,975 |
| 2023 | 13,851 |
| 2024 | 13,904 |
Race & Ethnicity
| White | 83.3% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Economy & Income
$208,466
Median Household Income
$120,115
Per Capita Income
1.7%
Poverty Rate
5.2%
Unemployment Rate
Housing
$2,000,001
Median Home Value
$3,313
Median Rent
66.1%
Owner-Occupied
Education
98.9%
High School+
77.1%
Bachelor's+
Commute
2.6%
Drive Alone
49.4%
Public Transit
37.2%
Work From Home
25.2 min
Avg Commute
Community Profile
35.9%
Foreign Born
84.9%
Non-English at Home
3.4%
Veterans
7.8%
With Disability
97.0%
Health Insurance
99.6%
Internet Access
Employment by Industry
| Finance, Insurance & Real Estate | 26.5% |
| Professional, Scientific & Management | 18.6% |
| Information | 15.0% |
| Education, Health Care & Social Services | 7.4% |
| Arts, Entertainment & Food Services | 6.2% |
| Transportation & Warehousing | 6.0% |
| Manufacturing | 5.5% |
| Retail Trade | 3.0% |
| Public Administration | 2.4% |
| Construction | 1.8% |
| Agriculture & Mining | 0.4% |
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Frequently Asked Questions
Mill Valley, California has a population of 14,064 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 418th-largest city in California.
The median household income in Mill Valley, California is $208,466, with 1.7% of residents living below the federal poverty level.
The median home value in Mill Valley, California is $2,000,001, with median monthly rent at $3,313 and a homeownership rate of 66.1%.
The median age in Mill Valley, California is 47.2 years. The population is 47.9% male and 52.1% female.
The population has declined 0.1% since 2010 (13,921 → 13,904).
Where to stay in Mill Valley
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.