Alameda County, California
2010
The 2010 United States Census reported that Alameda County had a population of 1,510,271. The population density was 2,047.6 people per square mile (790.6/km²).

Alameda County, California

Section Title: 2010
Table Section Text: The 2010 United States Census reported that Alameda County had a population of 1,510,271. The population density was 2,047.6 people per square mile (790.6/km²).

Historical population

Census	Pop.	%±

1860	8,927	—

1870	24,237	171.5%

1880	62,976	159.8%

1890	93,864	49.0%

1900	130,197	38.7%

1910	246,131	89.0%

1920	344,177	39.8%

1930	474,883	38.0%

1940	513,011	8.0%

1950	740,315	44.3%

1960	908,209	22.7%

1970	1,073,184	18.2%

1980	1,105,379	3.0%

1990	1,279,182	15.7%

2000	1,443,741	12.9%

2010	1,510,271	4.6%

Est. 2017	1,663,190	10.1%

U.S. Decennial Census 1790–1960 1900–1990 1990–2000 2010–2015

Sentence(s)

As of the 2010 census, Alameda County's population was 1,510,271.

final_sentence: As of the 2010 census, Alameda County's population was 1,510,271.