The Town Files

Discovery Bay, California

Community in Contra Costa County · population 15,358 (2020 Census)

Map: where Discovery Bay is in CaliforniaDiscovery Bay
Median home
$832,000
Household income
$147,117
Jan low / Jul high
41° / 93°
Snow a year
0 in
Tornadoes ≤10 mi since 1950
2
Median age
45.6

Discovery Bay is a community of 15,358 people in Contra Costa County, California. The median home is worth $832,000, above the typical California town ($596,900). It ranks better for families than 94% of California towns, better for first-time buyers than 76% of California towns, better for cycling than 75% of California towns.

How Discovery Bay ranks

Percentile among California towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of California towns.

Discovery Bay lifestyle rankings vs other California townsRetirement51st pctFamilies94th pctQuiet65th pctWalkability43rd pctFirst-time buyers76th pctYoung professionals42nd pctVibrancy50th pctHip & trendy5th pctCollege town52nd pctUpscale73rd pctVacation homesbottomSeaside characterbottomCycling75th pctTransit61st pctDriving29th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Discovery Bay is worth $832,000, above the typical California town ($596,900). Homes cost about 5.7 times the median household income of $147,117, which is more affordable than 63% of California towns. Median rent is $3,029 a month. 90.1% of households own their home.

Discovery Bay vs Contra Costa County vs typical California townDiscovery BayContra Costa CountyTypical California townHome value$832,000$866,800$596,900Household income$147,117$127,229$91,557Monthly rent$3,029$2,375$1,827
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of California towns with 500+ people.
HousingDiscovery BayTypical California town
Median home value$832,000$596,900
Median rent$3,029$1,827
Median household income$147,117$91,557
Home value ÷ income5.7×6.4×
Homeownership90.1%67.4%
Median year built19951977
Seasonal / vacation homes5.2%—

Who lives in Discovery Bay

PeopleDiscovery BayTypical California town
Median age45.640.2
Age 65 and over19.1%17.7%
Under 1822.5%—
Bachelor's degree or higher32.7%27.7%
Below the poverty line7.4%10.3%
Veterans6.0%—
Born outside the U.S.12.2%—
Work from home22.3%13.4%
Average commute44.1 min27.5 min
Homes with broadband98.1%93.3%

Weather in Discovery Bay

July highs average 93.3°F and January lows 40.5°F. About 12.4 inches of rain and melted snow fall a year, with 0.0 inches of snow (typical California town: 0.0 in). Expect about 82 days a year at 90°F or hotter and 10 nights at or below freezing.

Discovery Bay monthly temperatures and precipitation40°50°60°70°80°90°100°56°41°Jan62°44°Feb67°47°Mar73°50°Apr80°55°May88°59°Jun93°62°Jul93°62°Aug89°60°Sep79°55°Oct66°46°Nov57°40°DecPrecipitation (in)2.52.31.60.80.50.10.00.00.10.71.32.4
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Tracy Pumping Plt station (7.8 mi away).

Tornadoes, storms and disasters

2 tornadoes have passed within 10 miles of Discovery Bay since 1950, compared with 2 for the typical California town. The strongest, an EF1, struck on January 23, 2010 about 7.8 miles from the town center. The most recent was on January 23, 2010.

Tornadoes within 10 miles of Discovery Bay by decade01950s01960s01970s01980s11990s02000s12010s02020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 1 times; the largest was 1.00 inches on March 31, 2013.

Severe weather in Contra Costa County since 1996

Storm events in Contra Costa County since 1996 by typeHail12Heat29Flood59Wildfire13Dense Fog19High Wind72Debris Flow15Dense Smoke7
NOAA Storm Events Database, Contra Costa County, 1996–2026 (all event types recorded since 1996). 15 deaths recorded.

Contra Costa County has been included in 21 federal disaster or emergency declarations since 1953, most often for flood, drought, hurricane.

DeclaredIncidentDeclaration
January 14, 2023FloodDR-4683: Severe Winter Storms, Flooding, Landslides, And Mudslides
January 9, 2023FloodEM-3591: Severe Winter Storms, Flooding, And Mudslides
March 22, 2020BiologicalDR-4482: Covid-19 Pandemic
March 13, 2020BiologicalEM-3428: Covid-19
April 1, 2017FloodDR-4308: Severe Winter Storms, Flooding, And Mudslides

Jobs and pay in Contra Costa County

Contra Costa County had 373,992 jobs in 2024, paying an average of $86,234 a year. Unemployment was 4.1% in 2023; in Discovery Bay itself the ACS puts it at 8.6%.

Largest industries in Contra Costa CountyHealth care & social assistan…76,021 jobs · $78,791Retail40,398 jobs · $51,458Hotels & restaurants33,545 jobs · $33,009Construction27,400 jobs · $99,886Professional & technical serv…25,151 jobs · $132,280Administrative & support22,451 jobs · $70,083
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Contra Costa County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023Contra Costa 4.1%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Discovery Bay

3 public schools with 815 students, about 22.6 students per teacher.

SchoolGradesStudentsPer teacher
Discovery Bay ElementaryK-543823.1
Timber Point ElementaryK-535623.7
Byron Institute for Independent StudyK-82110.5

Towns near Discovery Bay

Discovery Bay questions

Is Discovery Bay, California a good place to retire?

On The Town Files lifestyle rankings, Discovery Bay scores better for retirees than 51% of California towns and quieter than 65%. 19.1% of residents are 65 or older (median age 45.6).

How much does a house cost in Discovery Bay?

The median owner-occupied home in Discovery Bay is valued at $832,000 (Census ACS 2020–2024), against a median household income of $147,117, so homes cost about 5.7 times income. Median rent is $3,029 a month.

What is the weather like in Discovery Bay?

July highs average 93.3°F and January lows 40.5°F (NOAA 1991–2020 normals). It gets about 12.4 inches of precipitation a year and 0.0 inches of snow.

Does Discovery Bay get tornadoes?

2 tornadoes have passed within 10 miles of Discovery Bay since 1950 (NOAA Storm Events); the strongest was an EF1 on January 23, 2010. The typical California town has had 2.

How this page is made. Every number comes from public data, matched to Discovery Bay's Census boundary (GEOID 0619339). Comparisons use the median of California towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.