San Ramon, CA Profile: Facts, Map & Data


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San Ramon, California - Basic Facts

The City of San Ramon had a population of 79,892 as of July 1, 2017. San Ramon 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 San Ramon is located at latitude 37.7646 and longitude -121.9333 in Contra Costa County. The formal boundaries for the City of San Ramon (see map below) encompass a land area of 18.59 sq. miles and a water area of 0.02 sq. miles. Contra Costa County is in the Pacific time zone (GMT -8). The elevation is 486 feet.

The City of San Ramon (GNIS ID: 2411805) 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 Ramon is located within Central Contra Costa CCD of Contra Costa County.

Beneath the boundary map are tables with San Ramon population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for San Ramon: Limerick, Lynchville.

Neighborhood Data

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City of San Ramon, CA Boundary Map

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San Ramon, CA Data & Demographics (As of July 1, 2017)


Total Population 79,892
Daytime Population: Workers 54,946
Daytime Population: Residents 39,393
Total Daytime Population (TDP) 94,339
Ratio TDP/Total Population1 1.18
Population in Households 79,815
Population in Familes 69,952
Population in Group Qrtrs 77
Population Density2 4,297
Diversity Index3 67


Median Household Income $135,895
Average Household Income $168,025
Per Capita Income $58,141


Total Housing Units 28,137 (100%)
Owner Occupied HU 19,163 (68.1%)
Renter Occupied HU 8,460 (30.1%)
Vacant Housing Units 514 ( 1.8%)
Median Home Value $811,486
Average Home Value $837,630


Total Households 27,623
Average Household Size 2.89
Family Households 20,853
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 1.44% 1.36%
Households 1.26% 1.24%
Families 1.2% 1.21%
Median Household Income   1.92%
Per Capita Income   2.07%

San Ramon, CA - Peer Comparisons by Rank and Percentile

The table below compares San Ramon to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 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 # 108 93rd
Population Density # 290 81st
Diversity Index # 704 54th
Median Household Income # 57 96th
Per Capita Income # 145 91st

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

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