Santa Rosa, CA Profile: Facts & Data


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Santa Rosa, California - Basic Facts

The City of Santa Rosa had a population of 169,629 as of July 1, 2018. 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.

Alternate Unofficial Names for Santa Rosa: Franklin Town.

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  1. Santa Rosa 2018 Demographic Data
  2. Growth Rates for Santa Rosa (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. California Research Tools (Easy Tools & Current Data)
  3. California Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Santa Rosa, CA Data & Demographics (As of July 1, 2018)


Total Population 169,629
Population in Households 166,057
Population in Familes 126,685
Population in Group Qrtrs 3,572
Population Density2 4,108
Diversity Index3 73


Median Household Income $62,620
Average Household Income $87,547
Per Capita Income $33,624


Total Housing Units 67,572 (100%)
Owner Occupied HU 35,403 (52.4%)
Renter Occupied HU 28,065 (41.5%)
Vacant Housing Units 4,104 ( 6.1%)
Median Home Value $489,435
Average Home Value $594,323


Total Households 63,468
Average Household Size 2.62
Family Households 38,997
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.13% 0.71%
Households -0.02% 0.64%
Families -0.07% 0.72%
Median Household Income   3.81%
Per Capita Income   3.66%

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, 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 # 29 98th
Population Density # 313 79th
Diversity Index # 579 62nd
Median Household Income # 654 57th
Per Capita Income # 628 59th

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

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