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Shell Ridge, CA

Census-designated place in Contra Costa County, California.

Population

746

Land area

0.4sq mi

People per sq mi

1,734

ZIP codes

0

Shell Ridge and its ZIP codes

Full map

Shell Ridge at a glance

  • Shell Ridge is about 6.9 times as dense as California as a whole.
  • The median household income is more than $250,000, the highest bracket the Census Bureau reports.
  • A typical owner-occupied home is valued at $1,912,000 (about 2.6 times the California figure).

Local data for Shell Ridge, CA

Counts from official public data

Housing and community stats

Shell Ridge, CA, American Community Survey 2020-2024

Full profile

Median household income

$250,000+

Poverty rate

1.9%

Median home value

$1,912,000

Homeownership

100.0%

Bachelor's or higher

82.5%

Median age

46.6

Average commute

34.5 min

Largest reported origins and ancestries: Italian Americans (178), German Americans (87), Irish Americans (75).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Contra Costa County. PPP loans are for Shell Ridge.

Details

Unemployment rate

4.8%

Sep 2026, -0.2 pts in a year

Average annual pay

$87,200

374,448 jobs, 2025

Income per person

$108,259

BEA, 2024

Federal spending

$7.1B

FY 2026, $6,088 per person

Contra Costa County economyFederal spending

How people get to work

Shell Ridge, CA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone61.7%
  • Carpooled7.0%
  • Public transit3.4%
  • Walked0.0%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home28.0%

Average one-way commute: 34.5 minutes for people who do not work from home.

Environment and hazard risk

Shell Ridge, CA, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very High

Top: earthquake

Storm events since 1996

472

Countywide, mostly strong wind

Flood insurance policies

2,681

0.9% of homes, county

July high / Jan low

88° / 42°F

17.7 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Shell Ridge, CA, CDC PLACES estimates

All 40 measures

Obesity

26.1%

U.S. 33.3% -7.2 pts

Diabetes

10.6%

U.S. 12.1% -1.5 pts

Smoking

7.5%

U.S. 12.8% -5.3 pts

Uninsured (18-64)

3.5%

U.S. 11.1% -7.6 pts

Cities near Shell Ridge

NameDistanceLand area (sq mi)
Walnut CreekCity1.1 mi19.8
San MiguelCensus-designated place1.4 mi1.1
North GateCensus-designated place1.9 mi0.7
Contra Costa CentreCensus-designated place1.9 mi0.6
Acalanes RidgeCensus-designated place2.5 mi0.5
SaranapCensus-designated place2.6 mi1.1
Castle HillCensus-designated place2.7 mi0.6
AlamoCensus-designated place3.7 mi9.8
Reliez ValleyCensus-designated place4.1 mi2.4
Pleasant HillCity4.2 mi7.1
LafayetteCity5 mi15
ConcordCity5.1 mi30.6
DiabloCensus-designated place5.9 mi1.4
ClaytonCity6.1 mi3.8
PachecoCensus-designated place6.2 mi0.8
MoragaTown6.3 mi9.5

Frequently asked questions

What county is Shell Ridge, CA in?
Shell Ridge is in Contra Costa County, California.
What is the population of Shell Ridge, CA?
About 746 people live in Shell Ridge, based on American Community Survey 5-year estimates.
What cities are near Shell Ridge?
Nearby places include Walnut Creek (1.1 mi), San Miguel (1.4 mi), North Gate (1.9 mi), Contra Costa Centre (1.9 mi), Acalanes Ridge (2.5 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023