Population
Population
topographic
Population

Solano County

453,491
Total Population in 2020
In 2020, Solano County was home to 453,491 people. Residents were predominantly working age, while those under 18 were a larger segment of the county than those 65 and older. The population was diverse, with no racial group in the majority.

Most Populous Demographics

CategoryDemographicTotalPercentage
Age18-64279,73062%
SexFemale228,70750%
Race and Hispanic or LatinoWhite (Not Hispanic or Latino)155,12534%

Age

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

Population by Age Range

020k40k60k80k0-910-1920-2930-3940-4950-5960-6970-7980+12%13%13%14%12%13%12%7%3%
020k40k60k80k12%13%13%14%12%13%12%7%3%0-910-1920-2930-3940-4950-5960-6970-7980+
/View Population by Age Range dynamic table

Population by Age Group

62%18-64
    98,721
    Under 18
    279,730
    18-64
    75,040
    65 and over
/View Population by Age Group dynamic table

Table: Population by Age Range

Age RangePopulation in Solano County
TotalPercentage
0-952,21112%
10-1957,79113%
20-2958,94613%
30-3963,76614%
40-4955,33812%
50-5959,85113%
60-6956,54712%
70-7933,3637%
80+15,6783%

Table: Population by Age Group

Age GroupPopulation in Solano County
TotalPercentage
Under 1898,72122%
18-64279,73062%
65 and over75,04017%
* 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 small amount in Solano County. Males 30-39 were the largest group by age, followed by females 30-39 and males 20-29. The biggest gap was in the 20-29 age group, where males were the larger share.

Population by Sex

50%Female
    224,784
    Male
    228,707
    Female
/View Population by Sex dynamic table

Population by Sex and Age

08.5k17k25.5k34k0-910-1920-2930-3940-4950-5960-6970-7980+26,49029,88131,09032,28327,33429,29626,78815,3696,25325,72127,91027,85631,48328,00430,55529,75917,9949,425
08.5k17k25.5k34k0-910-1920-2930-3940-4950-5960-6970-7980+26,49029,88131,09032,28327,33429,29626,78815,3696,25325,72127,91027,85631,48328,00430,55529,75917,9949,425
34k25.5k17k8.5k08.5k17k25.5k34k0-910-1920-2930-3940-4950-5960-6970-7980+26,49029,88131,09032,28327,33429,29626,78815,3696,25325,72127,91027,85631,48328,00430,55529,75917,9949,425
/View Population by Sex and Age dynamic table
Male
Female

Table: Population by Sex

SexSolano County
TotalPercentage
Male224,78450%
Female228,70750%

Table: Population by Sex and Age

Sex and AgeSolano County
TotalPercentage
Male224,78450%
Male: 0-926,4906%
Male: 10-1929,8817%
Male: 20-2931,0907%
Male: 30-3932,2837%
Male: 40-4927,3346%
Male: 50-5929,2966%
Male: 60-6926,7886%
Male: 70-7915,3693%
Male: 80+6,2531%
Female228,70750%
Female: 0-925,7216%
Female: 10-1927,9106%
Female: 20-2927,8566%
Female: 30-3931,4837%
Female: 40-4928,0046%
Female: 50-5930,5557%
Female: 60-6929,7597%
Female: 70-7917,9944%
Female: 80+9,4252%
* 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

34%
White (Not Hispanic or Latino)
In 2020, Solano County had a diverse population with no race/ethnicity being a majority. White and Hispanic people were the largest groups in the county, while Asian and Black residents were the next biggest segments of the population.

Population by Race and Hispanic or Latino

040k80k120k160kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)34%13%<1%16%<1%7%28%
040k80k120k160kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)34%13%<1%16%<1%7%28%
040k80k120k160kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)34%13%<1%16%<1%7%28%
/View Population by Race and Hispanic or Latino dynamic table

Table: Population by Race and Hispanic or Latino

Race and Hispanic or LatinoPopulation in Solano County
TotalPercentage
White155,12534%
Black or African American60,05113%
American Indian / Alaska Native1,624<1%
Asian70,95316%
Native Hawaiian / Pacific Islander3,775<1%
Other / Multi-racial33,8087%
Hispanic or Latino (any race)128,15528%
* 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.