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Where am ILOCATED

What County Is Palo Alto, California In?

Palo Alto is in Santa Clara County, California. About 67,237 people live there (2020–2024 estimate). It uses Pacific Time and covers 24.1 sq mi (62.3 km²) of land. The nearest larger city or town is Mountain View, 3.5 mi east.

Los AngelesSan DiegoSan Jose
Palo Alto in California
East Palo AltoLos AltosLos Altos HillsMountain ViewPortola ValleyStanford
Palo Alto and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
67,237 ± 73
Land area
24.1 sq mi (62.3 km²)
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Sun today
Sunrise and sunset for the year
Elevation
156 ft 48 m, ground height at the central point
Median household income
$231,101 ± $9,859
Median home value
$2,000,000 or more
Median rent, with utilities
$3,484 ± $157
Homes lived in by their owners
54.6% ± 2.2 points
Metro area
San Jose-Sunnyvale-Santa Clara, CAA principal city of the area
Water area
1.91 sq mi (4.94 km²)
State
California
Census place code
0655282
Coordinates (central point)
37.396520, -122.143088
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Population, income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

County boundaries in Palo Alto

For a point close to the city or county boundary, check the address with the office responsible for your form. Check a point on the county map.

Coordinates of Palo Alto

37.396520, -122.143088 is a central point for Palo Alto, not a street address. Convert these coordinates or share a map link.

Elevation in Palo Alto

156 ft (48 m), the USGS ground height at Palo Alto’s central point (3DEP terrain, 1 m grid, NAVD 88). Ground height varies across town. Check elevation at another spot.

Sunrise and sunset in Palo Alto

Longest day
14 hours 44 minutes around June 21
Shortest day
9 hours 35 minutes around December 21
Earliest sunrise
5:47 AM around June 13
Latest sunrise
7:38 AM the day before clocks go back in November
Earliest sunset
4:50 PM around December 6
Latest sunset
8:33 PM around June 28

Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.

Sunrise and sunset on the 15th of each month
DaySunriseSunsetDaylight
Jan 157:21 AM5:14 PM9 h 53 min
Feb 156:57 AM5:48 PM10 h 51 min
Mar 157:19 AM7:15 PM11 h 56 min
Apr 156:33 AM7:43 PM13 h 10 min
May 155:59 AM8:10 PM14 h 11 min
Jun 155:47 AM8:31 PM14 h 44 min
Jul 155:59 AM8:29 PM14 h 30 min
Aug 156:24 AM8:00 PM13 h 36 min
Sep 156:50 AM7:16 PM12 h 26 min
Oct 157:16 AM6:31 PM11 h 15 min
Nov 156:47 AM4:58 PM10 h 11 min
Dec 157:15 AM4:51 PM9 h 36 min

Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.

Time zones in Palo Alto

Palo Alto uses Pacific Time (America/Los_Angeles).

Time zoneLocal time and UTC offsetNext clock change
Pacific TimeAmerica/Los_AngelesUTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 9430346,879 people
  2. 9404333,176 people
  3. 9430627,183 people
  4. 9402220,027 people
  5. 9430518,509 people
  6. 9430117,508 people
  7. 950339,600 people
  8. 940286,531 people
  9. 943045,000 people

9 ZIP Code areas overlap Palo Alto. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Los Altos Hills, California (town)2.1 mi south
  2. Stanford, California (CDP)2.5 mi northwest
  3. Los Altos, California (city)3.2 mi southeast
  4. Mountain View, California (city)3.5 mi east
  5. East Palo Alto, California (city)5.0 mi north
  6. Portola Valley, California (town)5.4 mi southwest
  7. Menlo Park, California (city)5.8 mi north
  8. Fremont, California (city)13 mi northeast

Before using this answer on a form

A city boundary, a CDP and a mailing city can mean different things.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this place on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.