topographic

Unincorporated Alameda County

50,386
Total Households in 2020
In 2020, two-person households were the most common size in Unincorporated Alameda County, followed by one-person households. Married-couple households made up the largest share of household types. Additionally, 59% of households were owner-occupied.

Most Populous Demographics

CategoryDemographicTotalPercentage
CompositionMarried couple26,30752%
TenureOwner29,74059%
Size2 persons14,44529%

Composition

52%
Married couple
Married-couple households were the largest type in Unincorporated Alameda County for 2020. Non-family households outnumbered single-parent households by a small amount. The vast majority of single-parent households were led by women, and more women than men lived alone.

Households by Type

07k14k21k28kMarried coupleSingle parentNon-family52%22%26%
07k14k21k28k52%22%26%Married coupleSingle parentNon-family
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Households by Marital Status

52%
Married couple
    26,307
    Married couple
    24,079
    Single
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Householder Type by Sex

02k4k6k8k32%45%55%68%55%46%
Single parentLiving aloneNot living alone32%45%55%MaleMaleMale68%55%46%FemaleFemaleFemale
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Table: Households by Type

TypeHouseholds in Unincorporated Alameda County
TotalPercentage
Married couple26,30752%
Single parent10,95322%
Non-family13,12626%

Table: Households by Marital Status

Marital StatusHouseholds in Unincorporated Alameda County
TotalPercentage
Married couple26,30752%
Single24,07948%

Table: Householder Type by Sex

Type by SexHouseholds in Unincorporated Alameda County
TotalPercentage
Single parent - male3,51215%
Single parent - female7,44131%
Living alone - male4,35018%
Living alone - female5,38522%
Not living alone - male1,8488%
Not living alone - female1,5436%
* For all three charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), H14 Tenure By Household Type by Age of Householder. Figures for unincorporated areas were calculated by subtracting the sum of counts for incorporated places from totals for the county.

Tenure

59%
Owner
Owner-occupied households accounted for 59% of Unincorporated Alameda County’s 50,386 households in 2020. The remaining households were renter-occupied.

Households by Tenure

59%
Owner
    29,740
    Owner
    20,646
    Renter
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Table: Households by Tenure

TenureHouseholds in Unincorporated Alameda County
TotalPercentage
Owner29,74059%
Renter20,64641%
* For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), H14 Tenure By Household Type by Age of Householder. Figures for unincorporated areas were calculated by subtracting the sum of counts for incorporated places from totals for the county.

Size

29%
2 persons
Two-person households were the most common for Unincorporated Alameda County in 2020, while one-person households also represented a notable share. Three-person households were next in the rankings, followed by four-person households as the fourth most common.

Households by Size

04k8k12k16k1 person2 persons3 persons4 persons5 persons6 persons7+ persons19%29%18%18%9%4%3%
04k8k12k16k19%29%18%18%9%4%3%1 person2 persons3 persons4 persons5 persons6 persons7+ persons
/View Households by Size dynamic table

Table: Households by Size

SizeHouseholds in Unincorporated Alameda County
TotalPercentage
1 person9,73519%
2 persons14,44529%
3 persons9,30418%
4 persons8,89818%
5 persons4,3959%
6 persons1,9844%
7+ persons1,6253%
* For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), H9 Household Size. Figures for unincorporated areas were calculated by subtracting the sum of counts for incorporated places from totals for the county.