Diablo vs Shell Ridge

A side-by-side comparison of Diablo and Shell Ridge: population, income, housing, and more.

Diablo and Shell Ridge are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Diablo has the higher population (1,072 vs 998 in Shell Ridge). Both have a median home value of $2,000,001. Since 2019, Diablo's population has grown faster (+139.3% vs -25.6%).

Population, income & housing

	Diablo	Shell Ridge
Population	1,072	998
Median age	37.7 yrs	42.9 yrs
Median household income	—	$250,001
Median home value	$2,000,001	$2,000,001
Housing units	422	347
Homeownership rate	100.0%	92.8%
Bachelor's degree or higher	84.1%	81.9%
Unemployment rate	7.7%	3.3%

Trends (ACS 5-year, 2019–2023)

	Diablo	Shell Ridge
Population	448 → 1,072 (+139.3%)	1,342 → 998 (-25.6%)
Median household income	$143,616 → $250,001 (+74.1%)	$214,740 → $250,001 (+16.4%)
Median home value	$2,000,001 → $2,000,001 (+0.0%)	$978,200 → $2,000,001 (+104.5%)

Diablo

Population

4481,072

Median household income

$143,616$250,001

Median home value

$2,000,001$2,000,001

Shell Ridge

Population

1,342998

Median household income

$214,740$250,001

Median home value

$978,200$2,000,001

Age & race/ethnicity

Age distribution (share)

	Diablo	Shell Ridge
Under 5	7.2%	4.0%
5 to 17	19.1%	19.2%
18 to 24	6.8%	1.3%
25 to 34	1.3%	7.0%
35 to 44	29.1%	21.0%
45 to 54	5.0%	21.7%
55 to 64	19.0%	7.9%
65 to 74	0.0%	14.8%
75 and over	12.4%	2.9%

Race & ethnicity (share)

	Diablo	Shell Ridge
White (non-Hispanic)	79.8%	87.8%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	1.6%	1.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	7.3%	0.0%
Two or more races	1.5%	1.6%
Hispanic or Latino	9.9%	9.5%

Educational attainment (age 25+)

Share of adults 25+

	Diablo	Shell Ridge
No high school diploma	0.0%	0.0%
High school graduate	2.2%	3.9%
Some college or associate's	13.7%	14.2%
Bachelor's degree	27.6%	35.3%
Graduate or professional degree	56.5%	46.6%

Commute to work

How workers get to work (share)

	Diablo	Shell Ridge
Drove alone	62.9%	71.6%
Carpooled	8.6%	2.3%
Public transit	15.1%	0.0%
Walked	9.5%	0.0%
Bicycle	0.0%	0.0%
Worked from home	3.9%	26.1%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Diablo	Shell Ridge
1-unit, detached	100.0%	89.9%
1-unit, attached	0.0%	10.1%
2 to 4 units	0.0%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.0%	0.0%
Mobile home & other	0.0%	0.0%

Poverty & households

	Diablo	Shell Ridge
Poverty rate	9.9%	1.1%
Average household size	2.78	2.88
Mean commute (minutes)	39	42
Median year structure built	1982	1961