Piedmont, CA Profile: Facts, Map & Data


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Piedmont, California - Basic Facts

The City of Piedmont had a population of 11,326 as of July 1, 2017. Piedmont 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 Piedmont is located at latitude 37.8225 and longitude -122.23 in Alameda County. The formal boundaries for the City of Piedmont (see map below) encompass a land area of 1.7 sq. miles and a water area of 0 sq. miles. Alameda County is in the Pacific time zone (GMT -8). The elevation is 331 feet.

The City of Piedmont (GNIS ID: 2411418) 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 Piedmont is located within Oakland CCD of Alameda County.

Beneath the boundary map are tables with Piedmont population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Neighborhood Data

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City of Piedmont, CA Boundary Map

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


Total Population 11,326
Daytime Population: Workers 1,992
Daytime Population: Residents 5,745
Total Daytime Population (TDP) 7,737
Ratio TDP/Total Population1 0.68
Population in Households 11,323
Population in Familes 10,283
Population in Group Qrtrs 3
Population Density2 6,664
Diversity Index3 50


Median Household Income $200,001
Average Household Income $292,196
Per Capita Income $103,567


Total Housing Units 4,068 (100%)
Owner Occupied HU 3,505 (86.2%)
Renter Occupied HU 510 (12.5%)
Vacant Housing Units 53 ( 1.3%)
Median Home Value $1,000,001
Average Home Value $1,166,346


Total Households 4,015
Average Household Size 2.82
Family Households 3,290
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 0.82% 0.94%
Households 0.75% 0.89%
Families 0.73% 0.88%
Median Household Income   0.0%
Per Capita Income   1.19%

Piedmont, CA - Peer Comparisons by Rank and Percentile

The table below compares Piedmont 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 # 466 69th
Population Density # 157 90th
Diversity Index # 989 35th
Median Household Income # 6 100th
Per Capita Income # 8 100th

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

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