Alameda vs Castro Valley

A side-by-side comparison of Alameda and Castro Valley: population, income, housing, and more.

Alameda and Castro Valley are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Alameda has the higher population (76,876 vs 65,389 in Castro Valley). Castro Valley has the higher median household income ($138,069 vs $132,015 in Alameda). Alameda has the higher median home value ($1,203,900 vs $1,058,200 in Castro Valley).

Population, income & housing

	Alameda	Castro Valley
Population	76,876	65,389
Median age	40.7 yrs	42.8 yrs
Median household income	$132,015	$138,069
Median home value	$1,203,900	$1,058,200
Median gross rent	$2,394	$2,499
Housing units	32,129	22,909
Homeownership rate	49.0%	71.5%
Bachelor's degree or higher	60.3%	43.9%
Unemployment rate	5.0%	3.8%

Trends (ACS 5-year, 2019–2023)

	Alameda	Castro Valley
Population	78,522 → 76,876 (-2.1%)	63,013 → 65,389 (+3.8%)
Median household income	$104,756 → $132,015 (+26.0%)	$108,488 → $138,069 (+27.3%)
Median home value	$859,900 → $1,203,900 (+40.0%)	$741,500 → $1,058,200 (+42.7%)
Median gross rent	$1,836 → $2,394 (+30.4%)	$1,791 → $2,499 (+39.5%)

Alameda

Population

78,52276,876

Median household income

$104,756$132,015

Median home value

$859,900$1,203,900

Median gross rent

$1,836$2,394

Castro Valley

Population

63,01365,389

Median household income

$108,488$138,069

Median home value

$741,500$1,058,200

Median gross rent

$1,791$2,499

Age & race/ethnicity

Age distribution (share)

	Alameda	Castro Valley
Under 5	6.5%	5.0%
5 to 17	15.9%	16.0%
18 to 24	5.0%	5.5%
25 to 34	13.1%	11.6%
35 to 44	16.3%	15.4%
45 to 54	13.8%	13.7%
55 to 64	12.2%	14.7%
65 to 74	10.6%	11.5%
75 and over	6.6%	6.7%

Race & ethnicity (share)

	Alameda	Castro Valley
White (non-Hispanic)	40.5%	34.3%
Black or African American	5.9%	8.6%
American Indian & Alaska Native	0.2%	0.3%
Asian	30.0%	33.9%
Native Hawaiian & Pacific Islander	0.4%	0.1%
Some other race	1.1%	0.2%
Two or more races	7.6%	4.9%
Hispanic or Latino	14.2%	17.6%

Educational attainment (age 25+)

Share of adults 25+

	Alameda	Castro Valley
No high school diploma	6.6%	9.6%
High school graduate	10.8%	16.9%
Some college or associate's	22.3%	29.7%
Bachelor's degree	34.9%	26.9%
Graduate or professional degree	25.4%	17.0%

Commute to work

How workers get to work (share)

	Alameda	Castro Valley
Drove alone	46.7%	65.7%
Carpooled	6.4%	7.7%
Public transit	12.2%	5.9%
Walked	2.6%	1.1%
Bicycle	2.5%	0.7%
Worked from home	28.1%	18.4%
Other means	1.6%	0.7%

Housing

Units in structure (share)

	Alameda	Castro Valley
1-unit, detached	42.6%	73.1%
1-unit, attached	11.9%	7.6%
2 to 4 units	14.3%	5.9%
5 to 19 units	10.6%	4.6%
20 or more units	20.4%	7.5%
Mobile home & other	0.3%	1.2%

Poverty & households

	Alameda	Castro Valley
Poverty rate	6.9%	7.5%
Average household size	2.54	2.89
Mean commute (minutes)	32	34
Median year structure built	1964	1966