Zip Code 94030
Millbrae, California — San Mateo County
📍 ZIP code 94030 is in Millbrae, San Mateo County, California.
ZIP code 94030 is located in Millbrae, San Mateo County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 22,589. The area code for ZIP code 94030 is 408.
Quick Answer
Zip code 94030 is in Millbrae, California (San Mateo County). It has a population of 22,589, median household income of $157,567, and median home value of $1,929,700.
Population
22,589
Income
$157,567
Home Value
$1,929,700
Climate
73°F / 45°F
About Zip Code 94030
Zip code 94030 is located in Millbrae, California, within San Mateo County. Home to approximately 22,589 residents, this area sits at an elevation of 99 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 408.
The median household income is $157,567 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $1,929,700, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 73°F while winters drop to 45°F. The area receives about 20 in of rain annually. The zip code covers 3.4 square miles of land area.
Key Statistics
22,589
$157,567
$1,929,700
Pacific (PST/PDT)
408
99 ft
3.4 sq mi
45.3
8,566
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Compare With Nearby Zip Codes
| Metric | 94030 | 94128 | 94066 | 94010 | 94080 | 94044 |
|---|---|---|---|---|---|---|
| City | Millbrae, CA | San Francisco, CA | San Bruno, CA | Burlingame, CA | San Bruno, CA | Pacifica, CA |
| Population | 22,589 | 0 | 42,875 | 42,794 | 65,036 | 37,540 |
| Median Income | $157,567 | $0 | $135,976 | $191,758 | $135,966 | $156,658 |
| Home Value | $1,929,700 | $0 | $1,199,400 | $2M+ | $1,159,500 | $1,211,700 |
| Cost of Living | 250 | 100 | 250 | 250 | 250 | 250 |
| Median Age | 45.3 | -666666666 | 39.8 | 42.5 | 42.3 | 44.3 |
Cost of Living
100 = National Average. Millbrae's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
12.2x
Demographics
Zip code 94030 has a population of 22,589 people with a median age of 45.3. There are 8,566 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Millbrae (94030) population trend from 2010 to 2024
↑ 4.0%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
73°F
45°F
20 in
0 in
Millbrae experiences mild summers with average highs around 73°F. Winters are mild with lows averaging 45°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$1,929,700
Median Household Income
$157,567
With 8,566 housing units across 3.4 square miles, 94030 has a housing density of 2,519 units per square mile. The home price-to-income ratio is 12.2x.
Location & Geography
Latitude
37.5990°
Longitude
-122.4020°
Land Area
3.4 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 94030 (Millbrae, CA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 94030's $157,567. A way to compare Millbrae to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 94030 (Millbrae, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Millbrae, California?
Millbrae, California uses zip code 94030.
What county is zip code 94030 in?
Zip code 94030 is located in San Mateo County, California.
What is the population of zip code 94030?
The population of zip code 94030 is 22,589 with a median age of 45.3.
Is 94030 in Millbrae, California?
Yes, zip code 94030 is in Millbrae, San Mateo County, California. The area code is 408.
Frequently Asked Questions
What city is zip code 94030 in?
Zip code 94030 is in Millbrae, California. It is part of San Mateo County and uses the Pacific (PST/PDT) timezone.
What is zip code 94030?
Zip code 94030 is a U.S. postal code in Millbrae, California (San Mateo County). It has a population of 22,589 and covers 3.4 square miles.
What is the population of zip code 94030?
The population of zip code 94030 (Millbrae, CA) is 22,589 with a median age of 45.3. There are approximately 8,566 housing units in this area.
What is the median income in zip code 94030?
The median household income in zip code 94030 (Millbrae, CA) is $157,567 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 94030?
The median home value in zip code 94030 (Millbrae, CA) is $1,929,700. The cost of living index is 250 compared to the national average of 100.
What county is zip code 94030 in?
Zip code 94030 is located in San Mateo County, California. The primary city is Millbrae.
What is the area code for zip code 94030?
Zip code 94030 in Millbrae, CA uses area code 408. It is located in the Pacific (PST/PDT) timezone.
Is zip code 94030 a good place to live?
Zip code 94030 (Millbrae, CA) has a cost of living index of 250 (100 = national average), a median household income of $157,567, and median home values of $1,929,700. The median age is 45.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 94030?
The cost of living index for zip code 94030 (Millbrae, CA) is 250, where 100 represents the national average. This area is above the national average. Median home value: $1,929,700.
What schools serve zip code 94030?
Zip code 94030 in Millbrae, California is served by the local school district of San Mateo County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.