US ZIP Code
94021

Loma Mar, CA

San Mateo County  ·  California

● Active
👥 332 Population ↓ 35% since 2019
💰 $209,712 Median HH Income
▲ 175% above avg ↑ 18% since 2019
🎂 51.1 Median Age ↓ 4% since 2019
🏠 $1,020,800 Median Home Value
▲ 266% above avg ↑ 42% since 2019
🎓 68.5% College Grads
▲ 77% above avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code94021
CityLoma Mar
StateCalifornia (CA)
CountySan Mateo County
Area Code650
Elevation1,552 ft
Latitude37.250345
Longitude-122.249636
TimezoneLos Angeles (DST)
FIPS06081
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.6% (168) Female 49.4% (164) ♀

Race & Ethnicity

White: 91.9%Asian: 8.1%Race
White91.9%
Asian8.1%

Age Breakdown

5–17
24%
25–44
17%
45–64
26%
65+
12%

Key Indicators

Median Age51.1 yrs ↓ 4% since 2019
Avg Household Size2.24
Below Poverty0.0% ▼ 100% below avg
College Grads68.5% ▲ 77% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate28 (11.2%)
Associates51 (20.3%)
Bachelors13 (5.2%)
Graduate Degree159 (63.3%)

Education

HS Grad: 11.2%Associates: 20.3%Bachelors: 5.2%Graduate: 63.3%Edu
HS Grad11.2%
Associates20.3%
Bachelors5.2%
Graduate63.3%
Housing & Income

Housing Tenure

Owner: 74.3%Renter: 25.7%Tenure
Owner74.3%
Renter25.7%

Home Value Distribution

$300k–500k
12%
Over $500k
88%

Financials

Median HH Income$209,712 ▲ 175% above avg ↑ 18% since 2019
Median Home Value$1,020,800 ▲ 266% above avg ↑ 42% since 2019
Home/Income Ratio4.9x (nat avg ~3.5x)
Total Units160
Vacant Units12
Avg HH Size2.24

Income Distribution

$75k–100k
9%
$100k–150k
9%
$150k–200k
16%
Over $200k
66%
Employment & Commute

How People Get to Work

Drove Alone
93%
Work From Home
7%

Commute Time

15–30 min
8%
30–45 min
32%
Over 45 min
59%
Housing Stock

Year Built

Before 1940
16%
1940s–1950s
9%
1960s–1970s
8%
2000+
67%

Summary

Total Units160
Vacant12
Owner Occupied74.3%
Renter Occupied25.7%
Avg HH Size2.24
Frequently Asked Questions
ZIP code 94021 is in Loma Mar, CA, in San Mateo County.
ZIP code 94021 is located in California (CA).
ZIP code 94021 is in San Mateo County, CA.
ZIP 94021 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 94021 is 332 people (ACS 2023).
The median household income in ZIP code 94021 is $209,712 (ACS 2023).
The median home value in ZIP 94021 is $1,020,800 (ACS 2023).
About ZIP Code 94021

ZIP code 94021 is located in Loma Mar, California, within San Mateo County. With a population of 332, this is a sparsely populated ZIP code with a mature community — the median age is 51.1 years. Economically, 94021 is a affluent ZIP code: the median household income of $209,712 is more than double the national average.

Real estate in ZIP code 94021 represents among the most expensive housing markets in the country. The median home value of $1,020,800 is more than double the national average. Homeownership is strong here — 74.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 42% since 2019.

The population of 94021 is primarily White (91.87%). Residents are highly educated — 68.5% hold a bachelor's degree or higher, which is significantly above the national average. Household income has grown by 18% since 2019.

As in most parts of the country, driving alone is the dominant commute mode at 80%.

Overall, ZIP code 94021 in Loma Mar, CA is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 332 residents, a median household income of $209,712, and a median home value of $1,020,800, it offers a clear picture of life in this part of California.