San Bruno, CA Profile: Facts & Data


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San Bruno, California - Basic Facts

The City of San Bruno had a population of 43,017 as of July 1, 2020. San Bruno ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for San Bruno is located at latitude 37.6305 and longitude -122.4111 in San Mateo County. The formal boundaries for the City of San Bruno encompass a land area of 5.46 sq. miles and a water area of 0 sq. miles. San Mateo County is in the Pacific time zone (GMT -8). The elevation is 20 feet.

The City of San Bruno (GNIS ID: 2411778) 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 San Bruno is located within South San Francisco CCD of San Mateo County.


San Bruno, CA Data & Demographics (As of July 1, 2020)


Total Population 43,017 (100%)
Population in Households 42,622 (99.1%)
Population in Families 34,808 (80.9%)
Population in Group Quarters1 395 ( 0.9%)
Population Density 7,858
Diversity Index2 82


Median Household Income $109,707
Average Household Income $138,750
% of Income for Mortgage4 35%
Per Capita Income $49,160
Wealth Index5 159


Total HU (Housing Units) 15,911 (100%)
Owner Occupied HU 9,172 (57.6%)
Renter Occupied HU 6,063 (38.1%)
Vacant Housing Units 676 ( 4.2%)
Median Home Value $928,913
Average Home Value $976,690
Housing Affordability Index3 70


Total Households 15,235
Average Household Size 2.8
Family Households 10,417
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 0.44% 0.35%
Households 0.35% 0.28%
Families 0.35% 0.3%
Median Household Income   2.24%
Per Capita Income   2.68%
Owner Occupied HU   0.39%


San Bruno, CA - Peer Comparisons by Rank and Percentile

The table below compares San Bruno to the other 1,521 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2020 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 # 211 86th
Population Density # 106 93rd
Median Household Income # 214 86th
Housing Affordability Index # 399 26th
Per Capita Income # 309 80th
Diversity Index # 303 80th

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

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