California · Census place 0647486

Millbrae, California

Millbrae is a city in San Mateo County, California with an estimated 23,321 residents on July 1, 2024. It is the 282nd largest of 468 incorporated places of 1,000+ people in the state.

Population 2024
23,321
#282 of 468 in California
Change since 2020
+0.8%
+183 people
Land area
3.3 sq mi
+ 0.02 sq mi water
Density
7,132 / sq mi
State median 3,725
Orange pin: Millbrae. Shaded: its county. Dark pin: Sacramento.

Millbrae population, 2020 to 2024

Millbrae added 183 residents from July 2020 to July 2024, a change of +0.8%. In the latest year it moved by +799. Among 429 California places of 5,000 or more, that growth ranks 138th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Millbrae is 63% of it.

23.1k202022.3k202122.2k202222.5k202323.3k2024
July 1 estimates. The April 2020 estimates base was 23,212. The axis starts above zero so yearly changes are visible.

Millbrae covers 3.27 square miles of land and 0.02 of water, for 7,132 people per square mile of land. The median California place of 5,000+ has 3,725, so Millbrae is denser than the typical town.

What county Millbrae is in

All of Millbrae's residents live in San Mateo County, which had 742,893 residents in 2024. Millbrae holds 3.1% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Millbrae

1 ZIP Code Tabulation Area (ZCTA) overlaps Millbrae by at least 10% of the ZCTA's or the city's land: 94030. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Millbrae is

The Census internal point of Millbrae is at 37.599000, -122.402000. Sacramento, the capital, is 83.7 miles NE in a straight line. The nearest larger place is Burlingame, CA (30,885 people), 2.2 miles away. The nearest city of 100,000 or more is San Mateo, CA, 5.7 miles away.

Internal point

Decimal
37.599000, -122.402000
DMS
37°35'56.40"N 122°24'7.20"W
UTM
10N 552787.6E 4161492.8N
Geohash
9q8vystw4
Plus code
849VHHXX+H6

Daylight in Millbrae

At 37.60° N, Millbrae gets about 14 h 46 min of daylight around the June solstice and 9 h 34 min around the December solstice, a swing of 5 h 12 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Millbrae

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Burlingame, 2.2 miles away, with 30,885 people.

Questions people ask

What is the population of Millbrae, CA?

23,321 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 183 (0.8%) from 23,138 in July 2020.

What county is Millbrae in?

San Mateo County. All of its residents live in that county.

What ZIP codes cover Millbrae?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 94030.

How far is Millbrae from Sacramento?

83.7 miles (134.7 km) in a straight line, heading NE from Millbrae.

What is the nearest larger city to Millbrae?

Burlingame, CA, with 30,885 residents, 2.2 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.