Granite Bay, CA Profile: Facts & Data


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Granite Bay, California - Basic Facts

The Granite Bay Census Designated Place had a population of 21,513 as of July 1, 2018. 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.

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  1. Granite Bay 2018 Demographic Data
  2. Growth Rates for Granite Bay (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. California Research Tools (Easy Tools & Current Data)
  3. California Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Granite Bay, CA Data & Demographics (As of July 1, 2018)


Total Population 21,513
Population in Households 21,464
Population in Familes 19,506
Population in Group Qrtrs 49
Population Density2 999
Diversity Index3 36


Median Household Income $139,394
Average Household Income $186,626
Per Capita Income $65,870


Total Housing Units 7,897 (100%)
Owner Occupied HU 6,715 (85.0%)
Renter Occupied HU 864 (10.9%)
Vacant Housing Units 318 ( 4.0%)
Median Home Value $851,567
Average Home Value $954,873


Total Households 7,579
Average Household Size 2.83
Family Households 6,225
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.64% 1.02%
Households 0.62% 1.01%
Families 0.54% 0.98%
Median Household Income   2.94%
Per Capita Income   2.83%

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, 2018 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 # 340 78th
Population Density # 776 49th
Diversity Index # 1279 16th
Median Household Income # 64 96th
Per Capita Income # 115 92nd

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

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