Los Altos, CA Profile: Facts, Map & Data


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Los Altos, California - Basic Facts

The City of Los Altos had a population of 31,262 as of July 1, 2018. Los Altos ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Los Altos is located at latitude 37.3685 and longitude -122.0966 in Santa Clara County. The formal boundaries for the City of Los Altos (see map below) encompass a land area of 6.47 sq. miles and a water area of 0 sq. miles. Santa Clara County is in the Pacific time zone (GMT -8). The elevation is 157 feet.

The City of Los Altos (GNIS ID: 2410876) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Los Altos is located within San Jose CCD of Santa Clara County.

Beneath the boundary map are tables with Los Altos population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

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City of Los Altos, CA Boundary Map

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Los Altos, CA Data & Demographics (As of July 1, 2018)


Total Population 31,262
Population in Households 31,036
Population in Familes 27,807
Population in Group Qrtrs 226
Population Density2 4,829
Diversity Index3 54


Median Household Income $180,937
Average Household Income $248,028
Per Capita Income $90,980


Total Housing Units 11,885 (100%)
Owner Occupied HU 9,608 (80.8%)
Renter Occupied HU 1,822 (15.3%)
Vacant Housing Units 455 ( 3.8%)
Median Home Value $1,943,339
Average Home Value $1,833,001


Total Households 11,430
Average Household Size 2.72
Family Households 8,874
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.93% 0.87%
Households 0.75% 0.74%
Families 0.81% 0.76%
Median Household Income   2.02%
Per Capita Income   2.04%

Los Altos, CA - Peer Comparisons by Rank and Percentile

The table below compares Los Altos to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 259 83rd
Population Density # 258 83rd
Diversity Index # 941 38th
Median Household Income # 26 98th
Per Capita Income # 25 98th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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