topographic

Unincorporated Sonoma County

134,046
Total Population in 2020
In 2020, Unincorporated Sonoma County was home to 134,046 people. Residents were a majority working age. The population was predominantly white, with more men than women.

Most Populous Demographics

CategoryDemographicTotalPercentage
Age18-6477,27858%
SexFemale67,28450%
Race and Hispanic or LatinoWhite (Not Hispanic or Latino)87,92266%

Age

In 2020, Unincorporated Sonoma County's population was majority working-age adults, while those 65 and older were a moderately larger share than those under age 18. Looking at 10-year age ranges, 60-69 was the largest group.

Population by Age Range

06k12k18k24k0-910-1920-2930-3940-4950-5960-6970-7980+9%11%10%12%11%14%17%12%4%
06k12k18k24k9%11%10%12%11%14%17%12%4%0-910-1920-2930-3940-4950-5960-6970-7980+
/View Population by Age Range dynamic table

Population by Age Group

58%
18-64
    22,716
    Under 18
    77,278
    18-64
    34,052
    65 and over
/View Population by Age Group dynamic table

Table: Population by Age Range

Age RangePopulation in Unincorporated Sonoma County
TotalPercentage
0-911,4609%
10-1914,35511%
20-2913,23110%
30-3915,83312%
40-4914,82011%
50-5918,86614%
60-6923,03817%
70-7916,54112%
80+5,9024%

Table: Population by Age Group

Age GroupPopulation in Unincorporated Sonoma County
TotalPercentage
Under 1822,71617%
18-6477,27858%
65 and over34,05225%
* 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, females outnumbered males by a small amount in Unincorporated Sonoma County. Females 60-69 were the largest group by age, followed by males 60-69 and females 50-59. The biggest gap was in the 60-69 age group, where females were the larger share.

Population by Sex

50%
Female
    66,762
    Male
    67,284
    Female
/View Population by Sex dynamic table

Population by Sex and Age

03k6k9k12k0-910-1920-2930-3940-4950-5960-6970-7980+5,8787,4546,8557,9367,5289,23711,0468,1082,7205,5826,9016,3767,8977,2929,62911,9928,4333,182
03k6k9k12k0-910-1920-2930-3940-4950-5960-6970-7980+5,8787,4546,8557,9367,5289,23711,0468,1082,7205,5826,9016,3767,8977,2929,62911,9928,4333,182
12k9k6k3k03k6k9k12k0-910-1920-2930-3940-4950-5960-6970-7980+5,8787,4546,8557,9367,5289,23711,0468,1082,7205,5826,9016,3767,8977,2929,62911,9928,4333,182
/View Population by Sex and Age dynamic table
Male
Female

Table: Population by Sex

SexUnincorporated Sonoma County
TotalPercentage
Male66,76250%
Female67,28450%

Table: Population by Sex and Age

Sex and AgeUnincorporated Sonoma County
TotalPercentage
Male66,76250%
Male: 0-95,8784%
Male: 10-197,4546%
Male: 20-296,8555%
Male: 30-397,9366%
Male: 40-497,5286%
Male: 50-599,2377%
Male: 60-6911,0468%
Male: 70-798,1086%
Male: 80+2,7202%
Female67,28450%
Female: 0-95,5824%
Female: 10-196,9015%
Female: 20-296,3765%
Female: 30-397,8976%
Female: 40-497,2925%
Female: 50-599,6297%
Female: 60-6911,9929%
Female: 70-798,4336%
Female: 80+3,1822%
* 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

66%
White (Not Hispanic or Latino)
In 2020, Unincorporated Sonoma County had a majority white population. Hispanic residents also made up a significant segment, while other/multiracial and Asian people were the next largest groups.

Population by Race and Hispanic or Latino

025k50k75k100kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multiracial*Hispanic or Latino (any race)66%<1%<1%3%<1%5%24%
025k50k75k100kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multiracial*Hispanic or Latino (any race)66%<1%<1%3%<1%5%24%
025k50k75k100kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multiracial*Hispanic or Latino (any race)66%<1%<1%3%<1%5%24%
/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 Sonoma County
TotalPercentage
White87,92266%
Black or African American1,054<1%
American Indian / Alaska Native799<1%
Asian4,2353%
Native Hawaiian / Pacific Islander283<1%
Other / Multiracial7,2995%
Hispanic or Latino (any race)32,45424%
* 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.