Fairfield demographics profile

Population density (sq mi)2,70523291
Median age34.436.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)55%52%55%
Families w/ Kids under 1847%46%43%
Speak English64%56%79%
Speak Spanish21%29%13%
Fairfield, CA has a population of 110,953 and is the 260th largest city in the United States. The population density is 2,705 per sq mi which is 1064% higher than the California average and 2886% higher than the national average. The median age in Fairfield is 34 which is approximately 4% lower than the California average of 36. In Fairfield, 55% of the population over 15 years of age are married, 64% speak English and 21% speak Spanish. 53% of Fairfield residents were born in California, 22% were born out of state, 3% were born outside of the United States and 22% were foreign born.

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Did you know?

  • The population density in Fairfield is 1064% higher than California.
  • The median age in Fairfield is 4% lower than California.
  • In Fairfield 46.82% of the population is White.
  • In Fairfield 14.30% of the population is Black or African American.
  • In Fairfield 16.59% of the population is Asian.

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Fairfield population breakdown by race

Black or African American14.30%5.85%12.63%
American Indian0.54%0.74%0.82%
Native Hawaiian1.21%0.39%0.18%
Mixed race7.28%4.62%3.06%
Other race13.26%13.28%4.75%
In Fairfield, 30.1% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Fairfield age breakdown

Marital status

Age of children in married couples

Source: The Fairfield, CA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).