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Population of Alameda County, United States US flag

Large city with 1,682,353 residents in California, United States.

1,682,353
Residents (2026)
#1,008
World Ranking
#25
In United States (of 867)

About Alameda County

Alameda County is a large city located in United States, in the California region. According to the latest available data (2026), the population of Alameda County is approximately 1,682,353 residents, making it the #25 most populous city in United States.

Globally, Alameda County ranks #1,008 among the world's most populated cities. With over 1 million residents, Alameda County plays an important role as an economic and cultural center in United States.

Alameda County City Statistics

CityAlameda County
CountryUS flag United States
Population1,682,353
Global Rank#1,008
Rank in United States#25 of 867 cities
City Categorylarge city
RegionCalifornia
Latitude37.65
Longitude-121.91
Data Year2026

Population Comparison

To put Alameda County's population of 1,682,353 into perspective:

  • Alameda County has approximately 1.7 million residents.
  • This makes it comparable in size to cities like Prague or Munich.

Where is Alameda County US flag Located?

Alameda County is located in United States, in the California region, at coordinates 37.65° latitude and -121.91° longitude. Alameda County sits in the subtropics, typically enjoying warm temperatures year-round.

Nearby Cities

Other Cities in United States US flag

View all cities in United States

Largest Cities in United States US flag

# City Population
1 Harris County 4,731,145
2 Los Angeles 3,898,747
3 San Diego County 3,298,634
4 Brooklyn 2,736,074
5 Miami-Dade County 2,701,767

Frequently Asked Questions

What is the population of Alameda County?

The population of Alameda County is approximately 1,682,353 residents according to the latest available data (2026).

Where is Alameda County located?

Alameda County is located in United States at approximately 37.65° latitude and -121.91° longitude.

Is Alameda County one of the largest cities in United States?

With a population of 1,682,353, Alameda County is one of the major urban areas in United States. It ranks #25 out of 867 cities in the country.

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