Petaluma, CA Profile: Facts, Map & Data


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Petaluma, California - Basic Facts

The City of Petaluma had a population of 60,738 as of July 1, 2017. 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, 2017.

Alternate Unofficial Names for Petaluma: Chickaluma, Petaloma.

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City of Petaluma, CA Boundary Map

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


Total Population 60,738
Daytime Population: Workers 34,522
Daytime Population: Residents 29,927
Total Daytime Population (TDP) 64,449
Ratio TDP/Total Population1 1.06
Population in Households 60,012
Population in Familes 48,312
Population in Group Qrtrs 726
Population Density2 4,223
Diversity Index3 61


Median Household Income $79,129
Average Household Income $104,746
Per Capita Income $39,382


Total Housing Units 23,677 (100%)
Owner Occupied HU 14,427 (60.9%)
Renter Occupied HU 8,107 (34.2%)
Vacant Housing Units 1,143 ( 4.8%)
Median Home Value $539,904
Average Home Value $589,162


Total Households 22,534
Average Household Size 2.66
Family Households 15,241
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 0.65% 0.64%
Households 0.5% 0.55%
Families 0.5% 0.55%
Median Household Income   2.03%
Per Capita Income   2.45%

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, 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 # 156 90th
Population Density # 297 80th
Diversity Index # 818 46th
Median Household Income # 372 76th
Per Capita Income # 380 75th

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

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