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Discovery Bay, CA

Census-designated place in Contra Costa County, California. ZIP codes: 94505.

Population

14,911

Land area

5.6sq mi

People per sq mi

2,667

ZIP codes

1

Discovery Bay and its ZIP codes

Full map

Discovery Bay at a glance

  • Discovery Bay is about 11 times as dense as California as a whole.
  • Households here earn a median of $147,117 a year, 48% more than the California figure of $99,122.
  • A typical owner-occupied home is valued at $832,000 (13% above California) and median rent is $3,029 a month.

Local data for Discovery Bay, CA

Counts from official public data

Housing and community stats

Discovery Bay, CA, American Community Survey 2020-2024

Full profile

Median household income

$147,117

Poverty rate

7.4%

Median home value

$832,000

Median rent

$3,029/mo

Homeownership

90.1%

Bachelor's or higher

32.7%

Median age

45.6

Average commute

44.1 min

Largest reported origins and ancestries: Mexican Americans (1,822), German Americans (1,804), Irish Americans (1,645).

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 Discovery Bay.

Details

Unemployment rate

5.0%

Aug 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

Discovery Bay, CA, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone66.2%
  • Carpooled9.2%
  • Public transit0.2%
  • Walked0.5%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other1.7%
  • Worked from home22.3%

Average one-way commute: 44.1 minutes for people who do not work from home.

Environment and hazard risk

Discovery Bay, 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

93° / 41°F

12.4 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Discovery Bay, CA, CDC PLACES estimates

All 40 measures

Obesity

29.8%

U.S. 33.3% -3.5 pts

Diabetes

10.5%

U.S. 12.1% -1.6 pts

Smoking

10.3%

U.S. 12.8% -2.5 pts

Uninsured (18-64)

6.1%

U.S. 11.1% -5.0 pts

ZIP codes in Discovery Bay

1 in or overlapping Discovery Bay. Population shown

·

Cities near Discovery Bay

NameDistanceLand area (sq mi)
ByronCensus-designated place3.7 mi6.5
KnightsenCensus-designated place4.6 mi8.4
BrentwoodCity6.9 mi14.9
OakleyCity7.8 mi15.9
Bethel IslandCensus-designated place8.5 mi5.3
Mountain HouseCensus-designated place10 mi4.6
AntiochCity12 mi29.2
Country ClubCensus-designated place15 mi1.9
TerminousCensus-designated place15 mi1
Lincoln VillageCensus-designated place16 mi0.7
TracyCity16 mi26.3
Taft MosswoodCensus-designated place17 mi0.5
StocktonCity17 mi63.3
IsletonCity17 mi0.4
PittsburgCity18 mi17.7
French CampCensus-designated place18 mi3.1

Frequently asked questions

What county is Discovery Bay, CA in?
Discovery Bay is in Contra Costa County, California.
What ZIP codes are in Discovery Bay, CA?
ZIP codes in or overlapping Discovery Bay include 94505.
What is the population of Discovery Bay, CA?
About 14,911 people live in Discovery Bay, based on American Community Survey 5-year estimates.
What cities are near Discovery Bay?
Nearby places include Byron (3.7 mi), Knightsen (4.6 mi), Brentwood (6.9 mi), Oakley (7.8 mi), Bethel Island (8.5 mi).

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