94070
ZIP 94070 is San Carlos, California, in San Mateo County; area code 650; Pacific time.
- Type
- Standard
- Time zone
- America/Los_Angeles
- County
- San Mateo
- Metro area
- San Francisco-Oakland-Fremont, CA
- Population
- 30,447
- Coordinates
- 37.4965, -122.2726
Weather right now
Asking the National Weather Service…
Where 94070 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 94070 into a pocket calculator and turn it upside down: OLOhG — not quite a word, sorry.
- ➕ As a number, 94,070 = 2 × 5 × 23 × 409. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10110111101110110 - 🏠 Its numerical neighbours: 94066 (San Bruno, CA, 12 mi away) and 94074 (San Gregorio, CA, 12 mi away).
- 🔄 Backwards, 94070 becomes 07049, which is not a ZIP code at all.
- 👥 23 other ZIP codes are made of exactly the same digits (00794, 04079, 04097, 04970, 07094, 07940, …). The farthest-flung twin is 09740 in APO AE, a military post office, 8,002 miles away.
- 🧭 Farther south than 61% of all ZIP codes, and farther west than 96%.
- 🎯1,285 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 94070 and you would come out at 37.50°S, 57.73°E — 1,028 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 45m of daylight. Shortest: 9h 34m.
- 📏 At 6.1 square miles of land, 94070 is bigger than 21% of ZIP codes — room for about 4.6 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 30,447This ZIP30,447 |
|---|---|
| Households | 11,279This ZIP11,279 |
| Housing units | 11,905This ZIP11,905 |
| Median age | 41.6This ZIP41.6California37.9US 38.9 |
| Median household income | $240,074This ZIP$240,074California$99,122US $80,734 |
| Median home value | $2,000,000+This ZIP$2,000,000+California$734,700US $332,700 |
| Median gross rent | $2,854This ZIP$2,854California$2,036US $1,413 |
| Bachelor's degree or higher | 70.5%This ZIP70.5% |
| Mean commute | 24.6 minThis ZIP24.6 min |
| Population density | 4,974.2 / sq miThis ZIP4,974.2 / sq mi |
Business and tax activity
| Business establishments | 1,357This ZIP1,357 |
|---|---|
| Employees | 20,055This ZIP20,055 |
| Annual payroll | $2,259,199,000This ZIP$2,259,199,000 |
| Tax returns filed | 15,380This ZIP15,380 |
| Total adjusted gross income | $5,034,344,000This ZIP$5,034,344,000 |
Land area
| Land area | 6.12 sq miThis ZIP6.12 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Other place names in 94070
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 94070
| ZIP | City | Distance |
|---|---|---|
94002 | Belmont, CA | 1.8 mi |
94065 | Redwood City, CA | 2.8 mi |
94061 | Redwood City, CA | 3.1 mi |
94403 | San Mateo, CA | 3.4 mi |
94497 | San Mateo, CA | 3.9 mi |
94404 | San Mateo, CA | 4.1 mi |
94063 | Redwood City, CA | 4.2 mi |
94402 | San Mateo, CA | 4.4 mi |
94027 | Atherton, CA | 4.8 mi |
94062 | Redwood City, CA | 5.2 mi |
Find every ZIP code within 10 miles of 94070 →
Questions about this ZIP code
Where is ZIP code 94070?
94070 is in San Carlos, California, in San Mateo County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.4965, -122.2726.
What county is 94070 in?
94070 lies in San Mateo County.
What area code is 94070?
San Carlos uses area code 650, from NANPA's telephone records.
What time zone is 94070 in?
94070 uses America/Los_Angeles.
How many people live in 94070?
About 30,447 people live in ZIP code 94070, in 11,279 households, at 4,974.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 94070?
$240,074 a year, against $99,122 across California.
What ZIP codes are near 94070?
The closest are 94002 (1.8 mi), 94065 (2.8 mi), 94061 (3.1 mi), 94403 (3.4 mi) and 94497 (3.9 mi).
Is 94070 a PO Box ZIP code?
94070 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “94070 ZIP Code — San Carlos, California (San Mateo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94070
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/94070.json Underlying data is public domain or openly licensed — sources, vintages and licences.