Sonoma, CA Profile: Facts, Map & Data


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Sonoma, California - Basic Facts

The City of Sonoma is an incorporated place (Class Code P1) located in Sonoma County at latitude 38.2903 and longitude -122.4598. Sonoma County is in the Pacific time zone (GMT -8). The elevation is 85 feet.

The formal official name is the City of Sonoma, but most people and references simply refer to it as Sonoma, California.

The P1 Census Class Code for Sonoma indicates a populated place that is also an incorporated place with the same name and the same census code. The Incorporated Place has a Functional Status Code "A" which identifies an active government providing primary general-purpose functions.

The formal boundaries for the City of Sonoma (see map below) encompass a land area of 2.74 sq. miles and a water area of 0 sq. miles.

Alternate Unofficial Names for Sonoma: Zanoma.

City of Sonoma, CA Boundary Map


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Sonoma, CA Data & Demographics (As of July 1, 2014)


Total Population 11,186
Population in Households 10,950
Population in Familes 7,992
Population in Group Qrtrs 236
Population Density1 4,080
Diversity Index2 48


Total Households 5,176
Average Household Size 2.12
Family Households 2,832
Average Family Size 3


Total Housing Units 5,779 (100%)
Owner Occupied HU 2,970 (51.4%)
Renter Occupied HU 2,206 (38.2%)
Vacant Housing Units 603 (10.4%)
Median Home Value $431,092
Average Home Value $512,361


Median Household Income $60,296
Average Household Income $89,370
Per Capita Income $41,793
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population 1.17% 1.13%
Households 1.03% 1.14%
Families 1.19% 1.17%
Median Household Income   4.65%
Per Capita Income   3.72%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Sonoma, CA - Peer Comparisons by Rank and Percentile

The table below compares Sonoma to the other 1,523 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2014 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 # 465 70th
Population Density1 # 297 81st
Diversity Index2 # 994 35th
Median Household Income # 528 65th
Per Capita Income # 236 85th

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