Santa Rosa, CA Profile: Facts, Map & Data


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Santa Rosa, California - Basic Facts

The City of Santa Rosa had a population of 177,684 as of July 1, 2017. Santa Rosa 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 Santa Rosa is located at latitude 38.4468 and longitude -122.7061 in Sonoma County. The formal boundaries for the City of Santa Rosa (see map below) encompass a land area of 41.29 sq. miles and a water area of 0.2 sq. miles. Sonoma County is in the Pacific time zone (GMT -8). The elevation is 164 feet.

The City of Santa Rosa (GNIS ID: 2411827) 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 Santa Rosa is located within Santa Rosa CCD of Sonoma County.

Beneath the boundary map are tables with Santa Rosa 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 Santa Rosa: Franklin Town.

Neighborhood Data

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City of Santa Rosa, CA Boundary Map

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Santa Rosa, CA Data & Demographics (As of July 1, 2017)


Total Population 177,684
Daytime Population: Workers 79,949
Daytime Population: Residents 93,805
Total Daytime Population (TDP) 173,754
Ratio TDP/Total Population1 0.98
Population in Households 174,101
Population in Familes 131,838
Population in Group Qrtrs 3,583
Population Density2 4,303
Diversity Index3 72


Median Household Income $60,972
Average Household Income $86,020
Per Capita Income $33,047


Total Housing Units 70,209 (100%)
Owner Occupied HU 35,561 (50.7%)
Renter Occupied HU 31,014 (44.2%)
Vacant Housing Units 3,633 ( 5.2%)
Median Home Value $463,854
Average Home Value $531,249


Total Households 66,576
Average Household Size 2.62
Family Households 41,023
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 0.79% 0.74%
Households 0.63% 0.66%
Families 0.62% 0.67%
Median Household Income   2.05%
Per Capita Income   2.26%

Santa Rosa, CA - Peer Comparisons by Rank and Percentile

The table below compares Santa Rosa 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 # 27 98th
Population Density # 287 81st
Diversity Index # 588 61st
Median Household Income # 641 58th
Per Capita Income # 590 61st

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

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