topographic

Unincorporated San Mateo County

20,914
Total Households in 2010
In 2010, two-person households were the most common size in Unincorporated San Mateo County, followed by one-person households. Married-couple households made up the largest share of household types. Additionally, 71% of households were owner-occupied.

Most Populous Demographics

CategoryDemographicTotalPercentage
CompositionMarried couple12,34759%
TenureOwner14,94871%
Size2 persons6,88833%

Composition

59%
Married couple
Married-couple households were the largest type in Unincorporated San Mateo County for 2010. Non-family households outnumbered single-parent households by a significant amount. Most single-parent households were led by women, and more women than men lived alone.

Households by Type

03.5k7k10.5k14kMarried coupleSingle parentNon-family59%13%28%
03.5k7k10.5k14k59%13%28%Married coupleSingle parentNon-family
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Households by Marital Status

59%
Married couple
    12,347
    Married couple
    8,567
    Single
/View Households by Marital Status dynamic table

Householder Type by Sex

00.6k1.2k1.8k2.4k35%46%55%65%54%45%
Single parentLiving aloneNot living alone35%46%55%MaleMaleMale65%54%45%FemaleFemaleFemale
Single parentLiving aloneNot living alone35%46%55%MaleMaleMale65%54%45%FemaleFemaleFemale
    Male
    Female
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Table: Households by Type

TypeHouseholds in Unincorporated San Mateo County
TotalPercentage
Married couple12,34759%
Single parent2,78213%
Non-family5,78528%

Table: Households by Marital Status

Marital StatusHouseholds in Unincorporated San Mateo County
TotalPercentage
Married couple12,34759%
Single8,56741%

Table: Householder Type by Sex

Type by SexHouseholds in Unincorporated San Mateo County
TotalPercentage
Single parent - male97611%
Single parent - female1,80621%
Living alone - male1,87622%
Living alone - female2,24426%
Not living alone - male91211%
Not living alone - female7539%
* For all three charts above, the data is collected from the U.S. Census Bureau Decennial Data 2010, Summary File 1 (SF1), H18 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

71%
Owner
Owner-occupied households accounted for 71% of Unincorporated San Mateo County’s 20,914 households in 2010. The remaining households were renter-occupied.

Households by Tenure

71%
Owner
    14,948
    Owner
    5,966
    Renter
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Table: Households by Tenure

TenureHouseholds in Unincorporated San Mateo County
TotalPercentage
Owner14,94871%
Renter5,96629%
* For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2010, Summary File 1 (SF1), H18 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

33%
2 persons
Two-person households were the most common for Unincorporated San Mateo County in 2010, 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

02k4k6k8k1 person2 persons3 persons4 persons5 persons6 persons7+ persons20%33%17%17%7%3%3%
02k4k6k8k20%33%17%17%7%3%3%1 person2 persons3 persons4 persons5 persons6 persons7+ persons
/View Households by Size dynamic table

Table: Households by Size

SizeHouseholds in Unincorporated San Mateo County
TotalPercentage
1 person4,12020%
2 persons6,88833%
3 persons3,51717%
4 persons3,46717%
5 persons1,5527%
6 persons6403%
7+ persons7303%
* For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2010, Summary File 1 (SF1), H13 Household Size. Figures for unincorporated areas were calculated by subtracting the sum of counts for incorporated places from totals for the county.
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