Granite Bay, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Granite Bay, California is 21,378 as of the 2023 American Community Survey, making it the 339th-largest city in California. The median household income is $190,000, the median home value is $1,094,100, and the median age is 48.1.
21,378
Population
992
People / sq mi
$190,000
Median Income
$1,094,100
Median Home Value
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Granite Bay covers 21.5 sq mi of land at 992 people per square mile.
About Granite Bay, CA
What sets Granite Bay apart is money: median household income runs $190,000, above the US median of $78,538. With 21,378 residents, Granite Bay is a city in California.
Earnings sit at the high end: a median household income of $190,000, above the US median of $78,538. Only 4.3% of residents live in poverty, below the national 12.4%. Real estate commands a premium here — a median home value of $1,094,100, with typical rent around $2,609.
The population is unusually well-credentialed for US cities — 62.0% of adults have a four-year degree, above the national 35.0%. A solid 23.5% of workers are based at home, above the national 14.0%, and the average commute runs about 27 minutes each way.
Taken together, the income and housing figures place Granite Bay firmly in the higher-cost, higher-earning tier of US cities — a profile that tends to track dense job markets and competitive housing.
Race & Ethnicity
| White | 77.4% |
| Black or African American | 2.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Economy & Income
$190,000
Median Household Income
$85,943
Per Capita Income
4.3%
Poverty Rate
2.7%
Unemployment Rate
Housing
$1,094,100
Median Home Value
$2,609
Median Rent
90.3%
Owner-Occupied
Education
97.5%
High School+
62.0%
Bachelor's+
Commute
0.0%
Drive Alone
68.8%
Public Transit
23.5%
Work From Home
26.8 min
Avg Commute
Community Profile
25.1%
Foreign Born
85.7%
Non-English at Home
5.5%
Veterans
8.1%
With Disability
97.8%
Health Insurance
97.1%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 24.0% |
| Finance, Insurance & Real Estate | 16.7% |
| Information | 12.0% |
| Manufacturing | 8.0% |
| Public Administration | 7.7% |
| Construction | 7.4% |
| Education, Health Care & Social Services | 5.7% |
| Retail Trade | 4.0% |
| Arts, Entertainment & Food Services | 2.9% |
| Transportation & Warehousing | 1.4% |
| Agriculture & Mining | 0.1% |
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Frequently Asked Questions
Granite Bay, California has a population of 21,378 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 339th-largest city in California.
The median household income in Granite Bay, California is $190,000, with 4.3% of residents living below the federal poverty level.
The median home value in Granite Bay, California is $1,094,100, with median monthly rent at $2,609 and a homeownership rate of 90.3%.
The median age in Granite Bay, California is 48.1 years. The population is 49.3% male and 50.7% female.
Granite Bay Cdp, CA Climate
Granite Bay Cdp, CA has an average annual temperature of 16.5°C (62°F) and receives about 594 mm of precipitation per year. The warmest month is July and the coldest is December. Figures are 1970–2000 climate normals.
16.5°C
Avg Temp
594
Precip (mm/yr)
Jul
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 8° / 46° | 109 mm |
| February | 11° / 51° | 88 mm |
| March | 13° / 55° | 87 mm |
| April | 15° / 59° | 48 mm |
| May | 19° / 66° | 10 mm |
| June | 23° / 73° | 6 mm |
| July | 26° / 78° | 3 mm |
| August | 25° / 76° | 3 mm |
| September | 23° / 73° | 10 mm |
| October | 18° / 64° | 40 mm |
| November | 12° / 53° | 102 mm |
| December | 8° / 46° | 88 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Granite Bay Cdp, CA
The most comfortable months to visit Granite Bay Cdp, CA are typically September, June and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 34°C high). The coldest is December (near 3°C low). January is usually the wettest month.
Where to stay near Granite Bay
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.