Statistic Fairfield Illinois National
Population 4,912 12,671,821 328,239,523
Population density (sq mi) 1,219 228 91
Median age 42.7 37.4 37.7
Male/Female ratio 0.9:1 1.0:1 1.0:1
Married (15yrs & older) 62% 55% 55%
Families w/ Kids under 18 50% 44% 43%
Speak English 98% 77% 79%
Speak Spanish 1% 13% 13%
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Demographics Quick Facts

  • The population density in Fairfield is 435% higher than Illinois
  • The median age in Fairfield is 14% higher than Illinois
  • In Fairfield 95.38% of the population is White
  • In Fairfield 2.67% of the population is Black
  • In Fairfield 0.26% of the population is Asian

Compare Fairfield, IL Demographics

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      Fairfield population breakdown by race

      Race Fairfield Illinois National
      White 95.38% 72.14% 73.35%
      Black 2.67% 14.30% 12.63%
      Asian 0.26% 5.10% 5.22%
      American Indian 0.00% 0.23% 0.82%
      Native Hawaiian 0.00% 0.03% 0.18%
      Mixed race 1.69% 2.34% 3.06%
      Other race 0.00% 5.86% 4.75%
      In Fairfield, 0.6% 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.

      Household income distribution

      Place of birth by citizenship

      Fairfield age breakdown

      Marital status

      Age of children in married couples

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