Granite Bay, CA Profile: Facts, Map & Data


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Granite Bay, California - Basic Facts

The Granite Bay Census Designated Place had a population of 21,238 as of July 1, 2017. Granite Bay ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.

The primary coordinate point for Granite Bay is located at latitude 38.7604 and longitude -121.1682 in Placer County. The formal boundaries for the Granite Bay Census Designated Place (see map below) encompass a land area of 21.53 sq. miles and a water area of 0.04 sq. miles. Placer County is in the Pacific time zone (GMT -8). The elevation is 427 feet.

The Granite Bay Census Designated Place (GNIS ID: 2408318) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Granite Bay Census Designated Place is located within Rocklin CCD of Placer County.

Beneath the boundary map are tables with Granite Bay 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

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


Granite Bay Census Designated Place, CA Boundary Map

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Boundary Maps: Rocklin CCD | Placer County | California Counties

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


Total Population 21,238
Daytime Population: Workers 4,926
Daytime Population: Residents 11,757
Total Daytime Population (TDP) 16,683
Ratio TDP/Total Population1 0.79
Population in Households 21,189
Population in Familes 19,190
Population in Group Qrtrs 49
Population Density2 987
Diversity Index3 36


Median Household Income $133,117
Average Household Income $180,504
Per Capita Income $64,211


Total Housing Units 7,829 (100%)
Owner Occupied HU 6,598 (84.3%)
Renter Occupied HU 943 (12.0%)
Vacant Housing Units 288 ( 3.7%)
Median Home Value $757,050
Average Home Value $807,954


Total Households 7,541
Average Household Size 2.81
Family Households 6,198
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 0.56% 0.91%
Households 0.64% 0.93%
Families 0.55% 0.91%
Median Household Income   1.43%
Per Capita Income   1.82%

Granite Bay, CA - Peer Comparisons by Rank and Percentile

The table below compares Granite Bay 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 # 341 78th
Population Density # 775 49th
Diversity Index # 1277 16th
Median Household Income # 61 96th
Per Capita Income # 106 93rd

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

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