US Census Data

ZIP Code 94028

ZIP Code Tabulation Area in San Mateo County, California.

Population
6,645
-6.7%’19–’23
Median household income
$250,001
+6.8%’19–’23
Median home value
$2,000,001
+0.0%’19–’23

ZIP Code 94028 is a ZIP Code Tabulation Area in San Mateo County, California, home to about 6,645 residents. Its median household income of $250,001 runs above the San Mateo County figure of $156,000.

From 2019 to 2023, ZIP Code 94028's population declined 6.7% from 7,125 to 6,645, while its median gross rent rose 20.1% from $2,914 to $3,501.

3.8% of residents live below the poverty line. Households average 2.51 people.

Demographics

ACS 2019–2023
Population
6,645
Median age
56.4 yrs
Median household income
$250,001
Median home value
$2,000,001
Median gross rent
$3,501
Housing units
2,783
Homeownership rate
84.6%
Bachelor's degree or higher
78.0%
Unemployment rate
3.1%

Trends

ACS 5-year · 2019–2023
Population
7,1256,645
Median household income
$234,091$250,001
Median home value
$2,000,001$2,000,001
Median gross rent
$2,914$3,501
YearPopulationMedian household incomeMedian home valueMedian gross rent
20197,125$234,091$2,000,001$2,914
20206,718$221,667$2,000,001$3,501
20216,582$250,001$2,000,001$3,501
20226,888$243,516$2,000,001$3,501
20236,645$250,001$2,000,001$3,501

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 53204.8%
5 to 1777411.6%
18 to 243365.1%
25 to 344887.3%
35 to 445157.8%
45 to 5474111.2%
55 to 6493114.0%
65 to 741,28519.3%
75 and over1,25518.9%

Race & ethnicity

CountShare
White (non-Hispanic)5,03475.8%
Black or African American100.2%
American Indian & Alaska Native00.0%
Asian4957.4%
Native Hawaiian & Pacific Islander00.0%
Some other race390.6%
Two or more races2363.6%
Hispanic or Latino (any race)83112.5%

Educational attainment (age 25+)

CountShare
No high school diploma3847.4%
High school graduate1883.6%
Some college or associate's57711.1%
Bachelor's degree1,54729.7%
Graduate or professional degree2,51948.3%

Commute to work

Mean travel time to work
21 min

How workers get to work

CountShare
Drove alone1,27647.7%
Carpooled913.4%
Public transit230.9%
Walked682.5%
Bicycle1445.4%
Worked from home1,05839.6%
Other means130.5%

Travel time

CountShare
Under 15 min66341.1%
15 to 29 min56034.7%
30 to 44 min27517.0%
45 to 59 min503.1%
60+ min674.1%

Households

Average household size
2.51
Poverty rate
3.8% (250 of 6,580)
CountShare
Family households1,80768.8%
Nonfamily households81831.2%

Housing

Median year structure built
1968

Occupancy

CountShare
Occupied2,62594.3%
Vacant1585.7%

Tenure (of occupied units)

CountShare
Owner-occupied2,22084.6%
Renter-occupied40515.4%

Units in structure

CountShare
1-unit, detached2,39886.2%
1-unit, attached291.0%
2 to 4 units170.6%
5 to 19 units2438.7%
20 or more units160.6%
Mobile home & other802.9%

Geography

ZCTA
94028
Land area
17 sq mi
Water area
0.09 sq mi
Center point
37.3749, -122.2127

Counties this ZIP covers

2

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

11