Granite Bay vs Rocklin

A side-by-side comparison of Granite Bay and Rocklin: population, income, housing, and more.

Granite Bay and Rocklin are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Rocklin has the higher population (72,340 vs 21,378 in Granite Bay). Granite Bay has the higher median household income ($190,000 vs $120,916 in Rocklin). Granite Bay has the higher median home value ($1,094,100 vs $673,300 in Rocklin).

Population, income & housing

	Granite Bay	Rocklin
Population	21,378	72,340
Median age	48.1 yrs	38.2 yrs
Median household income	$190,000	$120,916
Median home value	$1,094,100	$673,300
Median gross rent	$2,609	$2,178
Housing units	7,837	26,434
Homeownership rate	90.3%	68.5%
Bachelor's degree or higher	62.0%	48.5%
Unemployment rate	4.6%	4.8%

Trends (ACS 5-year, 2019–2023)

	Granite Bay	Rocklin
Population	23,183 → 21,378 (-7.8%)	64,835 → 72,340 (+11.6%)
Median household income	$143,401 → $190,000 (+32.5%)	$98,566 → $120,916 (+22.7%)
Median home value	$794,000 → $1,094,100 (+37.8%)	$481,900 → $673,300 (+39.7%)
Median gross rent	$2,014 → $2,609 (+29.5%)	$1,675 → $2,178 (+30.0%)

Granite Bay

Population

23,18321,378

Median household income

$143,401$190,000

Median home value

$794,000$1,094,100

Median gross rent

$2,014$2,609

Rocklin

Population

64,83572,340

Median household income

$98,566$120,916

Median home value

$481,900$673,300

Median gross rent

$1,675$2,178

Age & race/ethnicity

Age distribution (share)

	Granite Bay	Rocklin
Under 5	4.2%	5.7%
5 to 17	19.2%	19.5%
18 to 24	6.6%	9.3%
25 to 34	4.5%	10.5%
35 to 44	11.3%	15.6%
45 to 54	15.0%	13.8%
55 to 64	16.7%	11.2%
65 to 74	13.9%	8.3%
75 and over	8.6%	6.1%

Race & ethnicity (share)

	Granite Bay	Rocklin
White (non-Hispanic)	73.8%	64.2%
Black or African American	2.0%	1.4%
American Indian & Alaska Native	0.1%	0.2%
Asian	10.1%	10.8%
Native Hawaiian & Pacific Islander	0.0%	0.1%
Some other race	0.6%	1.0%
Two or more races	4.2%	7.4%
Hispanic or Latino	9.3%	14.9%

Educational attainment (age 25+)

Share of adults 25+

	Granite Bay	Rocklin
No high school diploma	2.5%	3.7%
High school graduate	11.8%	14.8%
Some college or associate's	23.7%	33.0%
Bachelor's degree	31.2%	31.6%
Graduate or professional degree	30.7%	16.9%

Commute to work

How workers get to work (share)

	Granite Bay	Rocklin
Drove alone	68.8%	69.0%
Carpooled	5.3%	5.9%
Public transit	0.0%	0.8%
Walked	1.2%	1.2%
Bicycle	0.2%	0.3%
Worked from home	23.5%	21.7%
Other means	0.9%	1.1%

Housing

Units in structure (share)

	Granite Bay	Rocklin
1-unit, detached	91.5%	72.6%
1-unit, attached	2.8%	3.4%
2 to 4 units	0.4%	5.2%
5 to 19 units	0.0%	10.0%
20 or more units	0.7%	6.9%
Mobile home & other	4.6%	1.8%

Poverty & households

	Granite Bay	Rocklin
Poverty rate	5.0%	5.1%
Average household size	2.84	2.80
Mean commute (minutes)	27	27
Median year structure built	1987	1998