Petaluma, CA Profile: Facts, Map & Data


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Petaluma, California - Basic Facts

The City of Petaluma had a population of 60,336 as of July 1, 2016. Petaluma 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 Petaluma is located at latitude 38.2423 and longitude -122.6286 in Sonoma County. The formal boundaries for the City of Petaluma (see map below) encompass a land area of 14.38 sq. miles and a water area of 0.11 sq. miles. Sonoma County is in the Pacific time zone (GMT -8). The elevation is 30 feet.

The City of Petaluma (GNIS ID: 2411407) 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 Petaluma is located within Petaluma CCD of Sonoma County.

Beneath the boundary map are tables with Petaluma population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Petaluma: Chickaluma, Petaloma.

Neighborhood Data

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City of Petaluma, CA Boundary Map

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Petaluma, CA Data & Demographics (As of July 1, 2016)


Total Population 60,336
Population in Households 59,587
Population in Familes 47,963
Population in Group Qrtrs 749
Population Density1 4,195
Diversity Index2 60


Total Households 22,405
Average Household Size 2.66
Family Households 15,147
Average Family Size 3


Total Housing Units 23,618 (100%)
Owner Occupied HU 14,315 (60.6%)
Renter Occupied HU 8,090 (34.3%)
Vacant Housing Units 1,213 ( 5.1%)
Median Home Value $521,843
Average Home Value $557,086


Median Household Income $77,149
Average Household Income $99,031
Per Capita Income $37,317
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.65% 0.75%
Households 0.49% 0.67%
Families 0.48% 0.67%
Median Household Income   2.35%
Per Capita Income   1.73%
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.

Petaluma, CA - Peer Comparisons by Rank and Percentile

The table below compares Petaluma to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2016 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 # 154 90th
Population Density1 # 290 81st
Diversity Index2 # 808 47th
Median Household Income # 356 77th
Per Capita Income # 372 76th

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

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