Ranking of Alameda County, CA Cities and Places By Population in 2021
Updated on August 16, 2024.
Based on the US Census Vintage data estimates, in 2021, among all Alameda County, CA cities and places, Oakland city had the highest population (436.85K), followed by Fremont city (227.95K), and Hayward city (158.38K).
The chart below shows the top 10 cities and places, and the table below shows the ranking of all Alameda cities and places.
You can see similar information for other California counties. You can also see the ranking of all cities and places in California.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Alameda County, CA Cities and Places By Population in 2021
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Oakland city | 436850 |
| 2 | Fremont city | 227953 |
| 3 | Hayward city | 158375 |
| 4 | Balance of Alameda County | 147940 |
| 5 | Berkeley city | 114647 |
| 6 | San Leandro city | 88373 |
| 7 | Livermore city | 86048 |
| 8 | Pleasanton city | 77718 |
| 9 | Alameda city | 76641 |
| 10 | Dublin city | 70830 |
| 11 | Union City city | 68125 |
| 12 | Newark city | 46977 |
| 13 | Albany city | 19814 |
| 14 | Emeryville city | 12742 |
| 15 | Piedmont city | 11014 |