Population
Population
topographic
Population

Fairfield

119,881
Total Population in 2020
In 2020, Fairfield was home to 119,881 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 diverse, with no racial group in the majority.

Most Populous Demographics

CategoryDemographicTotalPercentage
Age18-6474,37562%
SexFemale60,87251%
Race and Hispanic or LatinoHispanic or Latino (any race)36,72331%

Age

36.1
Median Age
In 2020, Fairfield's population was a majority working-age adults, while those under age 18 were a considerably 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

04.5k9k13.5k18k0-910-1920-2930-3940-4950-5960-6970-7980+13%14%14%14%13%12%11%6%3%
04.5k9k13.5k18k13%14%14%14%13%12%11%6%3%0-910-1920-2930-3940-4950-5960-6970-7980+
/View Population by Age Range dynamic table

Population by Age Group

62%18-64
    29,062
    Under 18
    74,375
    18-64
    16,444
    65 and over
/View Population by Age Group dynamic table

Table: Population by Age Range

Age RangePopulation in Fairfield
TotalPercentage
0-915,51413%
10-1916,81614%
20-2916,78614%
30-3917,24914%
40-4914,99113%
50-5914,96612%
60-6912,76711%
70-796,9246%
80+3,8683%

Table: Population by Age Group

Age GroupPopulation in Fairfield
TotalPercentage
Under 1829,06224%
18-6474,37562%
65 and over16,44414%
* 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 Fairfield. Males 20-29 were the largest group by age, followed by males 10-19 and females 30-39. The biggest gap was in the 60-69 age group, where females were the larger share.

Population by Sex

51%Female
    59,009
    Male
    60,872
    Female
/View Population by Sex dynamic table

Population by Sex and Age

02.5k5k7.5k10k0-910-1920-2930-3940-4950-5960-6970-7980+7,9588,6748,7478,5697,2027,2495,9583,1351,5177,5568,1428,0398,6807,7897,7176,8093,7892,351
02.5k5k7.5k10k0-910-1920-2930-3940-4950-5960-6970-7980+7,9588,6748,7478,5697,2027,2495,9583,1351,5177,5568,1428,0398,6807,7897,7176,8093,7892,351
10k7.5k5k2.5k02.5k5k7.5k10k0-910-1920-2930-3940-4950-5960-6970-7980+7,9588,6748,7478,5697,2027,2495,9583,1351,5177,5568,1428,0398,6807,7897,7176,8093,7892,351
/View Population by Sex and Age dynamic table
Male
Female

Table: Population by Sex

SexFairfield
TotalPercentage
Male59,00949%
Female60,87251%

Table: Population by Sex and Age

Sex and AgeFairfield
TotalPercentage
Male59,00949%
Male: 0-97,9587%
Male: 10-198,6747%
Male: 20-298,7477%
Male: 30-398,5697%
Male: 40-497,2026%
Male: 50-597,2496%
Male: 60-695,9585%
Male: 70-793,1353%
Male: 80+1,5171%
Female60,87251%
Female: 0-97,5566%
Female: 10-198,1427%
Female: 20-298,0397%
Female: 30-398,6807%
Female: 40-497,7897%
Female: 50-597,7176%
Female: 60-696,8096%
Female: 70-793,7893%
Female: 80+2,3512%
* 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

31%
Hispanic or Latino (any race)
In 2020, Fairfield had a diverse population with no race/ethnicity being a majority. Hispanic and white people were the largest groups in the community, while Asian and Black residents were the next biggest segments of the population.

Population by Race and Hispanic or Latino

09.5k19k28.5k38kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)28%14%<1%18%1%8%31%
09.5k19k28.5k38kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)28%14%<1%18%1%8%31%
09.5k19k28.5k38kWhite*Black or African American*American Indian / Alaska Native*Asian*Native Hawaiian / Pacific Islander*Other / Multi-racial*Hispanic or Latino (any race)28%14%<1%18%1%8%31%
/View Population by Race and Hispanic or Latino dynamic table

Table: Population by Race and Hispanic or Latino

Race and Hispanic or LatinoPopulation in Fairfield
TotalPercentage
White33,26528%
Black or African American17,21614%
American Indian / Alaska Native384<1%
Asian21,92118%
Native Hawaiian / Pacific Islander1,2011%
Other / Multi-racial9,1718%
Hispanic or Latino (any race)36,72331%
* 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.