Castro Valley Population

2011–2026

66,312

2026 projection

3% since 2020 (increase)

010K20K30K40K50K60K70K20122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Castro Valley. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202666,312+3070.47%
202566,005+6160.47%
202365,389-550.08%
202265,444-8801.33%
202166,324+1,9323.00%
202064,392+1,3792.19%
201963,013-2750.43%
201863,288-3370.53%
201763,625+8001.27%
201662,825+7811.26%

Showing 10 of 15 years.

Castro Valley Demographics

42.9median age

Median age

Female43.5 yrs
Male42.1 yrs

Adults

51,485
12,214 seniors · 24%39,271 other adults

Sex

Female 50.9% · 33,090Male 49.1% · 31,911

Population by age

MaleFemale85+ years, male: 55785+ years, female: 78180–84 years, male: 52580–84 years, female: 70175–79 years, male: 88575–79 years, female: 1,18670–74 years, male: 1,50770–74 years, female: 1,67165–69 years, male: 2,39565–69 years, female: 2,00660–64 years, male: 2,53460–64 years, female: 2,49855–59 years, male: 2,15355–59 years, female: 2,48950–54 years, male: 2,05550–54 years, female: 2,08345–49 years, male: 2,23945–49 years, female: 2,31040–44 years, male: 2,06840–44 years, female: 2,47435–39 years, male: 2,56935–39 years, female: 2,61530–34 years, male: 1,83030–34 years, female: 2,27225–29 years, male: 1,90125–29 years, female: 1,49320–24 years, male: 1,15020–24 years, female: 1,20115–19 years, male: 1,99715–19 years, female: 2,08010–14 years, male: 2,28110–14 years, female: 1,6645–9 years, male: 1,7445–9 years, female: 1,8350–4 years, male: 1,5210–4 years, female: 1,73185+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 650 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Castro Valley Income

$142,779median household income

Median household income

$142,779

Half of households earn more, half earn less

Median earnings

$77,362

Typical yearly pay for a worker 25 or older.

Poverty rate

6.7%

About 1 in 15 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Castro Valley Marital Status

56% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married56%59%53%
Never married30%31%28%
Divorced7%6%8%
Widowed6%2%9%
Separated1%<1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year