Population
Population
topographic
Population

Millbrae

23,216
Total Population in 2020
In 2020, Millbrae was home to 23,216 people. Residents were predominantly working age, while those 65 and older were a larger segment of the community than those under 18. The population was a majority Asian, with more women than men.

Most Populous Demographics

CategoryDemographicTotalPercentage
Age18-6414,04060%
SexFemale11,88651%
Race and Hispanic or LatinoAsian (Not Hispanic or Latino)12,15552%

Age

43.3
Median Age
In 2020, Millbrae's population was a majority working-age adults, while those 65 and older were a moderately larger share of the community than those under age 18. Looking at 10-year age ranges, 50-59 was the largest group.

Population by Age Range

00.85k1.7k2.55k3.4k0-910-1920-2930-3940-4950-5960-6970-7980+10%12%11%13%14%14%12%8%7%
00.85k1.7k2.55k3.4k10%12%11%13%14%14%12%8%7%0-910-1920-2930-3940-4950-5960-6970-7980+
/View Population by Age Range dynamic table

Population by Age Group

60%18-64
    4,536
    Under 18
    14,040
    18-64
    4,640
    65 and over
/View Population by Age Group dynamic table

Table: Population by Age Range

Age RangePopulation in Millbrae
TotalPercentage
0-92,34310%
10-192,68012%
20-292,50311%
30-393,09413%
40-493,13614%
50-593,27814%
60-692,81812%
70-791,8548%
80+1,5107%

Table: Population by Age Group

Age GroupPopulation in Millbrae
TotalPercentage
Under 184,53620%
18-6414,04060%
65 and over4,64020%
* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Sex and Age

In 2020, females outnumbered males by a moderate amount in Millbrae. Females 50-59 were the largest group by age, followed by females 40-49 and males 50-59. The biggest gap was in the 80-and-older age group, where females were the larger share.

Population by Sex

51%Female
    11,330
    Male
    11,886
    Female
/View Population by Sex dynamic table

Population by Sex and Age

00.45k0.9k1.35k1.8k0-910-1920-2930-3940-4950-5960-6970-7980+1,2381,3541,3581,5521,5021,5661,3558425631,1051,3261,1451,5421,6341,7121,4631,012947
00.45k0.9k1.35k1.8k0-910-1920-2930-3940-4950-5960-6970-7980+1,2381,3541,3581,5521,5021,5661,3558425631,1051,3261,1451,5421,6341,7121,4631,012947
1.8k1.35k0.9k0.45k00.45k0.9k1.35k1.8k0-910-1920-2930-3940-4950-5960-6970-7980+1,2381,3541,3581,5521,5021,5661,3558425631,1051,3261,1451,5421,6341,7121,4631,012947
/View Population by Sex and Age dynamic table
Male
Female

Table: Population by Sex

SexMillbrae
TotalPercentage
Male11,33049%
Female11,88651%

Table: Population by Sex and Age

Sex and AgeMillbrae
TotalPercentage
Male11,33049%
Male: 0-91,2385%
Male: 10-191,3546%
Male: 20-291,3586%
Male: 30-391,5527%
Male: 40-491,5026%
Male: 50-591,5667%
Male: 60-691,3556%
Male: 70-798424%
Male: 80+5632%
Female11,88651%
Female: 0-91,1055%
Female: 10-191,3266%
Female: 20-291,1455%
Female: 30-391,5427%
Female: 40-491,6347%
Female: 50-591,7127%
Female: 60-691,4636%
Female: 70-791,0124%
Female: 80+9474%
* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories.

Race and Hispanic or Latino

52%
Asian (Not Hispanic or Latino)
In 2020, Millbrae had a majority Asian population. White residents also made up a significant segment of the community, while Hispanic and other/multiracial people were the next largest groups.

Population by Race and Hispanic or Latino

03.5k7k10.5k14kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)30%<1%<1%52%<1%5%11%
03.5k7k10.5k14kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)30%<1%<1%52%<1%5%11%
03.5k7k10.5k14kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)30%<1%<1%52%<1%5%11%
/View Population by Race and Hispanic or Latino dynamic table

Table: Population by Race and Hispanic or Latino

Race and Hispanic or LatinoPopulation in Millbrae
TotalPercentage
White6,86730%
Black or African American170<1%
American Indian / Alaska Native16<1%
Asian12,15552%
Native Hawaiian / Pacific Islander216<1%
Other / Multi-racial1,1715%
Hispanic or Latino (any race)2,62111%
* Categorized as Not Hispanic. This means that all the racial groups marked with an asterisk — White, Black or African American, American Indian / Alaska Native, Asian, Native Hawaiian / Pacific Islander, and Other / Multi-racial — do not include individuals who identify as Hispanic or Latino. The "Hispanic or Latino (any race)" category is separate, as Hispanic/Latino is considered an ethnicity rather than a racial category. For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P5 Hispanic or Latino Origin by Race.