Census tracts · Los Altos, CA

Census tracts in Los Altos, California

7 census tracts lie mostly within Los Altos, and 10 more reach into it, by the 2020 census blocks they share. Median household income runs from $250,000 or more in Tract 5100.01 to $250,000 or more in Tract 5100.02, against $250,000 or more for Los Altos as a whole (ACS 2020-2024 5-year estimates).

Which census tracts of Los Altos earn the most and the least?

The five tracts with the highest and the lowest median household income among those mostly within Los Altos and with a reliable estimate.

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

Every census tract in Los Altos

Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside Los Altos.

Census tracts in or partly in Los Altos, ACS 2020-2024 5-year estimates. Distance and direction from the Census Bureau's internal point of Los Altos (2024 Gazetteer), which is not always its downtown
Tract 5100.02060855100022.0 mi southeastSanta Clara County4,131±467$250,000 or more$2,000,000 or more$3,500 or more100%
Tract 5103060855103001.0 mi northwestSanta Clara County4,649±462$250,000 or more$2,000,000 or more$3,500 or more100%
Tract 5104060855104001.7 mi northSanta Clara County3,495±410$250,000 or more$2,000,000 or more$3,500 or more100%
Tract 5105060855105002.1 mi northwestSanta Clara County4,911±456$250,000 or more$2,000,000 or more$3,500 or more100%
Tract 510206085510200at the center pointSanta Clara County4,565±538$250,000 or more$2,000,000 or more$3,500 or more98%
Tract 5101060855101002.1 mi southeastSanta Clara County2,792±416$250,000 or more$2,000,000 or more$3,500 or more94%
Tract 5100.01060855100011.2 mi southeastSanta Clara County5,852±780$250,000 or more$2,000,000 or more$3,49285%
Tract 5094.01060855094012.8 mi northSanta Clara County4,746±544$149,258$1,921,100$2,81115%
Tract 5099.01060855099010.6 mi eastSanta Clara County2,602±489$250,000 or more$2,000,000 or more$3,500 or more15%
Tract 5094.03060855094032.0 mi northSanta Clara County4,115±794$177,847$710,700$2,84514%
Tract 5094.04060855094042.4 mi northSanta Clara County6,256±702$203,864$1,551,800$3,500 or more8%
Tract 5077.04060855077043.3 mi southeastSanta Clara County3,367±343$157,014$2,000,000 or more$3,500 or more7%
Tract 5078.05060855078053.4 mi southeastSanta Clara County4,888±512$201,939$2,000,000 or more$3,4266%
Tract 5117.01060855117012.1 mi westSanta Clara County4,368±362$250,000 or more$2,000,000 or more$3,500 or more4%
Tract 5117.02060855117021.0 mi southSanta Clara County2,859±305$250,000 or more$2,000,000 or more$3,500 or more3%
Tract 5117.07060855117075.4 mi southSanta Clara County3,047±629$203,068$2,000,000 or more$3,500 or more3%
Tract 5098.01060855098010.8 mi northeastSanta Clara County5,969±643$167,957$2,000,000 or more$2,3872%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections