Nestled below majestic Mount Tamalpais, Mill Valley is reminiscent of a charming European village. Surrounded by national parks, including Muir Woods, an ancient coast redwood forest, Mill Valley’s lush landscape of hills and canyons is a favorite place for visitors who enjoy hiking, mountain biking, and running. And don’t miss the delightful downtown area near Lytton Square, where people gather for coffee at Equator Coffee or for a game of chess. As you stroll up and down the quaint nearby streets, you’ll be tempted by an array of fashionable boutiques and restaurants.
The town has long been known as a cultural hub. The Mill Valley Film Festival is an internationally recognized festival that has attracted leading filmmakers and movie aficionados for the past forty-two years. The Mountain Play, produced in June in an outdoor amphitheater, attracts thousands of theater-goers to the top of Mount Tamalpais to watch Broadway musicals performed by talented local actors.
Outdoor and running enthusiasts should be sure to check out the legendary annual Dipsea Race, the second-oldest footrace in the United States. The race takes runners over a 7.1-mile course up and over Mount Tamalpais to one of the most beautiful California beaches on the Pacific Coast.
Mill Valley has 12,469 households, with an average household size of 2.59. Data provided by the U.S. Census Bureau. Here’s what the people living in Mill Valley do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau. 32,711 people call Mill Valley home. The population density is 867.44 and the largest age group is Data provided by the U.S. Census Bureau.
Total Population
Population Density Population Density This is the number of people per square mile in a neighborhood.
Median Age
Men vs Women
Population by Age Group
0-9 Years
10-17 Years
18-24 Years
25-64 Years
65-74 Years
75+ Years
Education Level
Total Households
Average Household Size
Average individual Income
Households with Children
With Children:
Without Children:
Marital Status
Blue vs White Collar Workers
Blue Collar:
White Collar: