Discovery Bay, CA demographics:
population, income, and more

Total population
14,911
-2.2% year-over-year change
Median household income
$147,117/yr
-5.0% year-over-year change
Housing units
6,053
-0.8% year-over-year change

Discovery Bay population

How many people live in Discovery Bay

Discovery Bay is home to 14,911 residents, according to the most recent Census data. Gender-wise, 49.4% of Discovery Bay locals are male, and 50.6% are female.

Total population
14,911
-2.2% year-over-year change
Gender ratio
Male
49.4%
7,360
Female
50.6%
7,551
Value Percent YoY change
Male 7,360 49.4% -3.3%
Female 7,551 50.6% -1.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Discovery Bay is 46, with the population distributed as follows: about 15.4% are children under 15, then 13.1% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.9% of the population, while another 31.5% fall into the 45 to 64 bracket. Finally, around 19.1% are 65 or older.

Median age
45.6
Age breakdown
Under 15
15.4%
15 to 24
13.1%
25 to 44
20.9%
45 to 64
31.5%
Over 65
19.1%
Value Percent YoY change
Under 15 2,302 15.4% -9.5%
15 to 24 1,948 13.1% -2.5%
25 to 44 3,115 20.9% -2.4%
45 to 64 4,699 31.5% 3.0%
Over 65 2,847 19.1% -3.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Discovery Bay, 86.7% of the population are US-born citizens, while 9.7% have gained naturalized citizenship. At the same time, 3.6% of residents are non-citizens. As for race, 59% of locals are Caucasian, 9% are African American and 7% have Asian roots. Another 1.4% are Indigenous American, 0.5% are Pacific Islanders, while 8.8% identify as another race. There’s also a share of 14.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
86.7%
Non-U.S.-born citizens
9.7%
Non-citizens
3.6%
Value Percent YoY change
U.S.-born citizens 12,922 86.7% -4.3%
Non-U.S.-born citizens 1,451 9.7% 13.0%
Non-citizens 538 3.6% 17.2%
Racial breakdown
White
59%
Black or African American
9%
American Indian and Alaska Native
1.4%
Asian
7%
Native Hawaiian and other Pacific Islander
0.5%
Two or more races
14.4%
Other
8.8%
Value Percent
White 8,790 59%
Black or African American 1,338 9%
American Indian and Alaska Native 211 1.4%
Asian 1,037 7%
Native Hawaiian and other Pacific Islander 78 0.5%
Two or more races 2,143 14.4%
Other 1,314 8.8%

Households in Discovery Bay

A peek inside Discovery Bay households

Discovery Bay has 5,421 households, with an average of 3 members in each. Of these, 74.8% are families, while the remaining 25.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,421
-1.3% year-over-year change
Average people per household
3
Non-family households
1,368
Family households
4,053
Value Percent YoY change
Non-family households 1,368 25.2% 21.3%
Family households 4,053 74.8% -7.2%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Discovery Bay

The housing landscape of Discovery Bay

Discovery Bay's housing consists of 6,053 units, with 90.8% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.7% and offer a more compact, shared living style.

Housing units
6,053
-0.8% year-over-year change
Housing types
Value Percent
1 unit, detached 5,498 90.8%
1 unit, attached 467 7.7%
2 units 7 0.1%
20 to 49 units 66 1.1%
50 or more units 15 0.2%
Homes built since 2020
66
61.0% year-over-year change

The age of buildings in Discovery Bay

In Discovery Bay, the median construction year is 1995. About 1.2% of homes were built before the 1940s, with another 1.7% going up by 1949. Most development happened in the second half of the 20th century. Then, 29.3% of homes were added from 2000 to 2009, 8.5% between 2010 and 2019, and 1.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 71 1.2% 51.1%
Built between 1940 and 1949 101 1.7% 8.6%
Built between 1950 and 1959 23 0.4% -14.8%
Built between 1960 and 1969 48 0.8% 41.2%
Built between 1970 and 1979 625 10.3% 4.3%
Built between 1980 and 1989 1,431 23.6% -5.8%
Built between 1990 and 1999 1,402 23.2% 0.5%
Built between 2000 and 2009 1,772 29.3% -4.1%
Built between 2010 and 2019 514 8.5% 3.0%
Built in 2020 or later 66 1.1% 61.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Discovery Bay occupancy rates

Out of the 5,421 occupied housing units in Discovery Bay, 90.1% are owner-occupied, while 9.9% are lived in by tenants. Meanwhile, 10.4% of all homes on the local market sit vacant.

Occupied housing units
5,421
-1.3% year-over-year change
Occupancy breakdown
Renter occupied
535
Owner occupied
4,886
Value Percent YoY
change
Renter occupied 535 9.9% -13.6%
Owner occupied 4,886 90.1% 0.2%
Unoccupied housing units
10.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Discovery Bay housing costs

Housing costs in Discovery Bay come to a median of $3,133 per month, while tenants specifically pay a median gross rent of $3,029.

Median housing costs per month
$3,133/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Discovery Bay
$3,029/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Discovery Bay

Discovery Bay education at a glance

About 27.4% of the population in Discovery Bay went to high school, while 28.3% pursued college studies. Another 12.3% earned an associate degree and 19.5% hold a bachelor’s. Meanwhile, 11.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 136 1.2% 79.0%
High school diploma 3,170 27.4% -0.3%
College diploma 3,265 28.3% -2.4%
Associate degree 1,423 12.3% -6.1%
Bachelor's degree 2,255 19.5% -5.4%
Graduate degree 1,300 11.3% 5.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Discovery Bay

How much people earn in Discovery Bay

The average annual household income in Discovery Bay was $174,068 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -0.6% change from the previous year. At the same time, the median income stood at $147,117, reflecting a -5% shift over the same period.

Average household income in Discovery Bay
$174,068/year
-0.6% year-over-year change
Median household income in Discovery Bay
$147,117/year
-5.0% year-over-year change

Discovery Bay income by age

In Discovery Bay, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $138,780. Those with someone between 45 and 64 in charge, often well established professionally, earn $201,008 overall. Overall, 92.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $138,780 -11.2%
45 - 64 $201,008 5.7%
Over 65 $90,682 -7.8%
Above poverty level
13,711
Below poverty level
1,095
Value Percent YoY
change
Above poverty level 13,711 92.6% -3.0%
Below poverty level 1,095 7.4% 19.5%

Employment in Discovery Bay

Workforce and job types in Discovery Bay

The job market in Discovery Bay is powered by 6,869 working residents, spread across a range of industries and roles. 84.6% of the working population are employed in professional or administrative positions, while 15.4% are in hands-on or service-based jobs. Also, 10.3% run their own businesses, 64.7% are employed by private companies, and 16.4% work in the public sector.

Workforce demographics

Working population
6,869
-5.0% year-over-year change
White collar
5,809
Blue collar
1,060
Value Percent YoY change
White collar 5,809 84.6% -5.5%
Blue collar 1,060 15.4% -2.5%
Employer type
Self employees
10.3%
Private companies
64.7%
Governmental workers
16.4%
Not for profit companies
8.6%
Value Percent YoY change
Self employees 707 10.3% -0.8%
Private companies 4,445 64.7% -10.9%
Governmental workers 1,126 16.4% 14.6%
Not for profit companies 591 8.6% 8.4%
Unemployment rate
8.6%
0.9% year-over-year change

Available workforce

The unemployment rate in Discovery Bay stands at 8.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Discovery Bay

How people get around in Discovery Bay

Commuting methods vary: 75.3% of residents travel by personal vehicle and 0.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 5,099 75.3% -8.4%
Railroad 15 0.2% -34.8%
Motorcycle 11 0.2% -78.0%
Walk 31 0.5% -43.6%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Discovery Bay by zipcode?

Zipcode Population Number of households Median income Average income
94505 14,970 5,446 $146,480 $173,672

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FAQs about Discovery Bay demographics 

What is the total population of Discovery Bay?

Discovery Bay has a total population of 14,911 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -2.2% compared to a year ago.

What is the gender ratio in Discovery Bay?

The gender ratio in Discovery Bay is as follows:
  • 49.4% males (7,360 residents)
  • 50.6% females (7,551 residents)

What is the median age in Discovery Bay?

The median age in Discovery Bay is 45.6.

What is the age distribution of the population in Discovery Bay?

The age distribution in Discovery Bay is as follows:
  • Under 15: 15.4% (2,302 residents)
  • Ages 15-24: 13.1% (1,948 residents)
  • Ages 25-44: 20.9% (3,115 residents)
  • Ages 45-64: 31.5% (4,699 residents)
  • Over 65: 19.1% (2,847 residents)

What is the racial and ethnic makeup of Discovery Bay?

The racial and ethnic makeup of Discovery Bay is as follows:
  • White: 59% (8,790 residents)
  • Black or African American: 9% (1,338 residents)
  • American Indian and Alaska Native: 1.4% (211 residents)
  • Asian: 7% (1,037 residents)
  • Native Hawaiian and Other Pacific Islander: 0.5% (78 residents)
  • Two or More Races: 14.4% (2,143 residents)
  • Other: 8.8% (1,314 residents)

What percentage of the population in Discovery Bay are U.S.-born citizens?

U.S.-born citizens represent 86.7% of the population in Discovery Bay.

How many housing units are there in Discovery Bay?

There are 6,053 housing units in Discovery Bay, reflecting a -0.8% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Discovery Bay and what is the average household size?

Discovery Bay has a total of 5,421 households, with an average of 3 people in each.

What is the median household income in Discovery Bay?

Discovery Bay has a median household income of $147,117, representing a -5.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Discovery Bay?

The employment rate is 91.4% in Discovery Bay, with a workforce of 6,869 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 84.6% (5,809 residents)
  • Blue-collar workers: 15.4% (1,060 residents)

Places of employment:
  • Self-employed: 10.3% (707 residents)
  • Private companies: 64.7% (4,445 residents)
  • Governmental workers: 16.4% (1,126 residents)
  • Not-for-profit companies: 8.6% (591 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025