Population
Population
topographic
Population

Santa Rosa

178,127
Total Population in 2020
In 2020, Santa Rosa was home to 178,127 people. Residents were predominantly working age, while those under 18 were a larger segment of the community than those 65 and older. The population was a majority white, with more women than men.

Most Populous Demographics

CategoryDemographicTotalPercentage
Age18-64107,14360%
SexFemale91,36051%
Race and Hispanic or LatinoWhite (Not Hispanic or Latino)90,52751%

Age

39.9
Median Age
In 2020, Santa Rosa's population was a majority working-age adults, while those under age 18 were a moderately larger share of the community than those 65 and older. Looking at 10-year age ranges, 30-39 was the largest group.

Population by Age Range

06.5k13k19.5k26k0-910-1920-2930-3940-4950-5960-6970-7980+11%13%12%14%13%12%12%8%5%
06.5k13k19.5k26k11%13%12%14%13%12%12%8%5%0-910-1920-2930-3940-4950-5960-6970-7980+
/View Population by Age Range dynamic table

Population by Age Group

60%18-64
    37,586
    Under 18
    107,143
    18-64
    33,398
    65 and over
/View Population by Age Group dynamic table

Table: Population by Age Range

Age RangePopulation in Santa Rosa
TotalPercentage
0-919,31511%
10-1922,47713%
20-2922,21312%
30-3925,31814%
40-4922,31513%
50-5921,91912%
60-6921,56912%
70-7914,9078%
80+8,0945%

Table: Population by Age Group

Age GroupPopulation in Santa Rosa
TotalPercentage
Under 1837,58621%
18-64107,14360%
65 and over33,39819%
* 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.

Sex and Age

In 2020, females outnumbered males by a moderate amount in Santa Rosa. Males 30-39 were the largest group by age, followed by females 30-39 and females 60-69. The biggest gap was in the 80-and-older age group, where females were the larger share.

Population by Sex

51%Female
    86,767
    Male
    91,360
    Female
/View Population by Sex dynamic table

Population by Sex and Age

03.5k7k10.5k14k0-910-1920-2930-3940-4950-5960-6970-7980+9,92311,51111,33412,79711,01910,7129,8886,5852,9989,39210,96610,87912,52111,29611,20711,6818,3225,096
03.5k7k10.5k14k0-910-1920-2930-3940-4950-5960-6970-7980+9,92311,51111,33412,79711,01910,7129,8886,5852,9989,39210,96610,87912,52111,29611,20711,6818,3225,096
14k10.5k7k3.5k03.5k7k10.5k14k0-910-1920-2930-3940-4950-5960-6970-7980+9,92311,51111,33412,79711,01910,7129,8886,5852,9989,39210,96610,87912,52111,29611,20711,6818,3225,096
/View Population by Sex and Age dynamic table
Male
Female

Table: Population by Sex

SexSanta Rosa
TotalPercentage
Male86,76749%
Female91,36051%

Table: Population by Sex and Age

Sex and AgeSanta Rosa
TotalPercentage
Male86,76749%
Male: 0-99,9236%
Male: 10-1911,5116%
Male: 20-2911,3346%
Male: 30-3912,7977%
Male: 40-4911,0196%
Male: 50-5910,7126%
Male: 60-699,8886%
Male: 70-796,5854%
Male: 80+2,9982%
Female91,36051%
Female: 0-99,3925%
Female: 10-1910,9666%
Female: 20-2910,8796%
Female: 30-3912,5217%
Female: 40-4911,2966%
Female: 50-5911,2076%
Female: 60-6911,6817%
Female: 70-798,3225%
Female: 80+5,0963%
* 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.

Race and Hispanic or Latino

51%
White (Not Hispanic or Latino)
In 2020, Santa Rosa had a majority white population. Hispanic residents also made up a significant segment of the community, while Asian and other/multiracial 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 / Multi-racial*Hispanic or Latino (any race)51%2%<1%6%<1%5%34%
025k50k75k100kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)51%2%<1%6%<1%5%34%
025k50k75k100kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)51%2%<1%6%<1%5%34%
/View Population by Race and Hispanic or Latino dynamic table

Table: Population by Race and Hispanic or Latino

Race and Hispanic or LatinoPopulation in Santa Rosa
TotalPercentage
White90,52751%
Black or African American3,8022%
American Indian / Alaska Native1,395<1%
Asian10,6596%
Native Hawaiian / Pacific Islander972<1%
Other / Multi-racial9,6905%
Hispanic or Latino (any race)61,08234%
* 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 / Multi-racial — 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.