Median Age
45 Years
Largest Age Group
55-64 Years
Approximately 14% of Residents
Under 20
20%
Over 65
23%
Avg Rent
$2,668
Population
22,332
Renter Mix
40% Rent
Sitting at the northern edge of San Mateo County, Millbrae occupies a compact four square miles between San Francisco International Airport and the foothills of the Peninsula, giving it a geographic specificity that shapes nearly everything about daily life here. The city traces its name to Darius Ogden Mills, who purchased the land in the 1860s and combined his surname with the Scottish word for rolling hills. That history still echoes in the quiet residential streets that run from the bay shoreline up toward the hills, where single-family neighborhoods give way to walkable corridors along El Camino Real.
Millbrae's economy benefits directly from its proximity to SFO and the broader Peninsula job market, making it a practical base for those working across San Mateo County or commuting north to San Francisco. The city covers a tight footprint, so most areas feel accessible and grounded rather than spread out. Housing options range from garden-style apartment communities and mid-rise buildings near the Caltrain and BART intermodal station to smaller boutique rentals tucked into residential pockets. The Millbrae Art and Wine Festival each September reflects the city's longstanding sense of community, drawing residents together in a tradition that has defined the local calendar for years.
An elevated shot of Bayfront Park looking back at the city.
The Green Hills Country Club has an 18-hole Alister MacKenzie designed golf course.
Millbrae Bart is walking distance to all of Millbrae's residents.
Millbrae BART station is a huge transit hub and connects the BART to Caltrain.
Adrian Road center in Millbrae is full of restaurants and serves commuters traveling Hwy 101.
The Millbrae Spur Trail follows along the edge of the Mills High School campus.
Median Household Income
$141,603
Average: $165,128
Education
9,487
Residents Have a Degree
Job Market
12,007
Workers Employed
Median Age
45 Years
Largest Age Group
55-64 Years
Approximately 14% of Residents
Under 20
20%
Over 65
23%
Housing Distribution
Millbrae has more homeowners than renters.
Education Distribution
Review this city's overall education levels.
As of May 2026, the average apartment rent in Millbrae, CA is $2,805 for a studio, $2,668 for one bedroom, $3,324 for two bedrooms, and $4,173 for three bedrooms. Apartment rent in Millbrae has increased by 1.6% in the past year.
Explore how walkable, bikeable, drivable, and transit-friendly Millbrae, CA is for everyday living.
Fairly Walkable
Walkability
Some Public Transit
Transit
Exceptionally Drivable
Drivability
Moderately Bikeable
Bikeability
Public
Grades K-5
375 Students
Spring Valley Elementary School
Public
Grades K-5
375 Students
Public
Grades K-5
338 Students
Public
Grades K-5
338 Students
Public
Grades K-5
360 Students
Public
Grades 6-8
756 Students
Public
Grades 6-8
756 Students
Public
Grades 9-12
1,115 Students
Public
Grades 9-12
1,115 Students
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† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in February 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.