Alameda County
Alameda County is significantly wealthier than the US average, with a median household income of $129,367. Population has held roughly steady since 2000. 52% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than tripled since 2000, reaching $1,090,100. It ranks in the top 1% of US counties for household income. Households here earn about 31% more than the California median.
Population & growth
PEP 2025 EST:1,636,630 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 10 more hispanic origin groups with data
+ 13 more asian origin groups with data
+ 51 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Alameda County
Compare Alameda County to nearby counties
How many people live in Alameda County, California?
Alameda County, California has about 1,649,473 residents according to the 2024 American Community Survey.
What is the median household income in Alameda County, California?
The typical household in Alameda County, California earns about $129,367 a year. Half of households make more than that, and half make less.
Is Alameda County, California expensive?
In Alameda County, California, the median home is worth about $1,090,100, and the typical rent is about $2,357 a month.
How educated are people in Alameda County, California?
About 52.2% of adults age 25 and over in Alameda County, California hold a bachelor's degree or higher.
What is the poverty rate in Alameda County, California?
About 9.2% of people in Alameda County, California live below the federal poverty line.
Has Alameda County, California grown since 1990?
Yes, Alameda County, California has grown since 1990. The population has added about 370,291 residents, a change of about 29 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024