Alameda County CA Information


Alameda County Subdivisions

Alameda County CA Data & Demographics (As of July 1, 2017)


Total Population 1,647,386
Daytime Population: Workers 776,600
Daytime Population: Residents 852,915
Total Daytime Population (TDP) 1,629,515
Ratio TDP/Total Population1 0.99
Population in Households 1,610,634
Population in Familes 1,269,986
Population in Group Qrtrs 36,752
Population Density2 2,229
Diversity Index3 83


Median Household Income $77,729
Average Household Income $109,997
Per Capita Income $40,057


Total Housing Units 618,618 (100%)
Owner Occupied HU 305,352 (49.4%)
Renter Occupied HU 285,174 (46.1%)
Vacant Housing Units 28,092 ( 4.5%)
Median Home Value $606,648
Average Home Value $652,722


Total Households 590,526
Average Household Size 2.73
Family Households 381,626
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 1.21% 1.18%
Households 1.11% 1.12%
Families 1.1% 1.12%
Median Household Income   2.37%
Per Capita Income   2.46%


Alameda County CA - Peer Comparisons by Rank and Percentile

The table below compares Alameda County to the other 58 counties and county equivalents in California by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 7 90th
Population Density # 4 95th
Diversity Index # 9 86th
Median Household Income # 9 86th
Per Capita Income # 8 88th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.