topographic

Unincorporated Santa Clara County

90,830
Total Population in 2020
In 2020, Unincorporated Santa Clara County was home to 90,830 people. Residents were a majority working age. The population was diverse, with no racial group in the majority, and there were more women than men.

Most Populous Demographics

CategoryDemographicTotalPercentage
Age18-6462,13268%
SexMale46,44051%
Race and Hispanic or LatinoWhite (Not Hispanic or Latino)39,54144%

Age

In 2020, Unincorporated Santa Clara County's population was predominantly working-age adults, while those under age 18 were a moderately larger share than those 65 and older. Looking at 10-year age ranges, 20-29 was the largest group.

Population by Age Range

06k12k18k24k0-910-1920-2930-3940-4950-5960-6970-7980+8%11%25%12%10%13%10%6%3%
06k12k18k24k8%11%25%12%10%13%10%6%3%0-910-1920-2930-3940-4950-5960-6970-7980+
/View Population by Age Range dynamic table

Population by Age Group

68%
18-64
    15,536
    Under 18
    62,132
    18-64
    13,162
    65 and over
/View Population by Age Group dynamic table

Table: Population by Age Range

Age RangePopulation in Unincorporated Santa Clara County
TotalPercentage
0-97,6738%
10-1910,16611%
20-2922,75925%
30-3910,70812%
40-499,47810%
50-5911,78213%
60-699,36610%
70-795,8076%
80+3,0913%

Table: Population by Age Group

Age GroupPopulation in Unincorporated Santa Clara County
TotalPercentage
Under 1815,53617%
18-6462,13268%
65 and over13,16214%
* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories. Figures for unincorporated areas were calculated by subtracting the sum of counts for incorporated places from totals for the county.

Sex and Age

In 2020, males outnumbered females by a moderate amount in Unincorporated Santa Clara County. Males 20-29 were the largest group by age, followed by females 20-29 and males 50-59. The biggest gap was in the 20-29 age group, where males were the larger share.

Population by Sex

51%
Male
    46,440
    Male
    44,390
    Female
/View Population by Sex dynamic table

Population by Sex and Age

03k6k9k12k0-910-1920-2930-3940-4950-5960-6970-7980+3,9305,21311,9335,4974,7515,9754,7872,8851,4693,7434,95310,8265,2114,7275,8074,5792,9221,622
03k6k9k12k0-910-1920-2930-3940-4950-5960-6970-7980+3,9305,21311,9335,4974,7515,9754,7872,8851,4693,7434,95310,8265,2114,7275,8074,5792,9221,622
12k9k6k3k03k6k9k12k0-910-1920-2930-3940-4950-5960-6970-7980+3,9305,21311,9335,4974,7515,9754,7872,8851,4693,7434,95310,8265,2114,7275,8074,5792,9221,622
/View Population by Sex and Age dynamic table
Male
Female

Table: Population by Sex

SexUnincorporated Santa Clara County
TotalPercentage
Male46,44051%
Female44,39049%

Table: Population by Sex and Age

Sex and AgeUnincorporated Santa Clara County
TotalPercentage
Male46,44051%
Male: 0-93,9304%
Male: 10-195,2136%
Male: 20-2911,93313%
Male: 30-395,4976%
Male: 40-494,7515%
Male: 50-595,9757%
Male: 60-694,7875%
Male: 70-792,8853%
Male: 80+1,4692%
Female44,39049%
Female: 0-93,7434%
Female: 10-194,9535%
Female: 20-2910,82612%
Female: 30-395,2116%
Female: 40-494,7275%
Female: 50-595,8076%
Female: 60-694,5795%
Female: 70-792,9223%
Female: 80+1,6222%
* For both charts above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P12 Sex by Age for Selected Age Categories. Figures for unincorporated areas were calculated by subtracting the sum of counts for incorporated places from totals for the county.

Race and Hispanic or Latino

44%
White (Not Hispanic or Latino)
In 2020, Unincorporated Santa Clara County had a diverse population with no race/ethnicity being a majority. White and Hispanic people were the largest groups, while Asian and other/multiracial residents were the next biggest segments of the population.

Population by Race and Hispanic or Latino

010k20k30k40kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multiracial*Hispanic or Latino (any race)44%2%<1%17%<1%6%30%
010k20k30k40kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multiracial*Hispanic or Latino (any race)44%2%<1%17%<1%6%30%
010k20k30k40kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multiracial*Hispanic or Latino (any race)44%2%<1%17%<1%6%30%
/View Population by Race and Hispanic or Latino dynamic table

Table: Population by Race and Hispanic or Latino

Race and Hispanic or LatinoPopulation in Unincorporated Santa Clara County
TotalPercentage
White39,54144%
Black or African American1,8852%
American Indian / Alaska Native206<1%
Asian15,85917%
Native Hawaiian / Pacific Islander403<1%
Other / Multiracial5,3426%
Hispanic or Latino (any race)27,59430%
* Categorized as Not Hispanic. This means that all the racial groups marked with an asterisk — White, Black or African American, American Indian / Alaska Native, Asian, Native Hawaiian / Pacific Islander, and Other / Multiracial — do not include individuals who identify as Hispanic or Latino. The "Hispanic or Latino (any race)" category is separate, as Hispanic/Latino is considered an ethnicity rather than a racial category. For the chart above, the data is collected from the U.S. Census Bureau Decennial Data 2020, Demographic and Housing Characteristics File (DHC), P5 Hispanic or Latino Origin by Race. Figures for unincorporated areas were calculated by subtracting the sum of counts for incorporated places from totals for the county.