2025 Compare Cities People:
Princeton, IN vs Fairfield, IL

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Highlights
- Fairfield is 0% more densely populated than Princeton.
- People are 6.7% more likely to be married in Fairfield.
- The Median Age is 3.0 years older in Fairfield.
 Princeton, INFairfield, ILUnited States
 Population  Unlock4,982329,725,481
 Female Population50.1%  Unlock50.5%
 Male Population49.9%  Unlock49.5%
 Median Age  Unlock42.638.4
 space3
 Population - 20108,697  Unlock309,327,143
 Population - 2000  Unlock5,421285,036,114
 Population - 19908,127  Unlock251,960,433
 Pop. 2000 to Now  Unlock-9.8%15.6%
 Pop. 1990 to Now8.2%  Unlock30.8%
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 Population Density  Unlock1,237.293.4
 Land Area5.1  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Princeton, INFairfield, ILUnited States
 Age 0 to 44.3%  Unlock5.9%
 Age 5 to 9  Unlock5.3%6.1%
 Age 10 to 144.8%  Unlock6.6%
 Age 15 to 17  Unlock3.3%3.9%
 Age 18 to 203.4%  Unlock4.0%
 Age 21 to 24  Unlock4.8%5.2%
 Age 25 to 3412.7%  Unlock13.8%
 Age 35 to 44  Unlock11.8%12.9%
 Age 45 to 5413.9%  Unlock12.6%
 Age 55 to 59  Unlock8.7%6.7%
 Age 60 to 645.6%  Unlock6.3%
 Age 65 to 74  Unlock9.8%9.6%
 Age 75 to 844.8%  Unlock4.5%
 Age 85 and over  Unlock4.3%1.9%
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 Race
 Princeton, INFairfield, ILUnited States
 White85.3%  Unlock59.4%
 Black  Unlock3.1%12.2%
 Asian0.5%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races4.1%  Unlock3.2%
 Hispanic  Unlock1.6%18.4%
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 Marriage & Family
 Princeton, INFairfield, ILUnited States
 Married Population44.6%  Unlock49.8%
     Currently Married  Unlock47.3%48.0%
 Married but Separated0.9%  Unlock1.8%
 Single Population  Unlock52.4%50.2%
 Never Married30.3%  Unlock33.8%
 Divorced  Unlock17.1%10.8%
 Widowed7.3%  Unlock5.6%
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 Household Size  Unlock2.122.60
 Households3,347  Unlock124,010,992
 Family Households  Unlock1,38580,755,759
     Married couple, w/children22.3%  Unlock30.5%
     Married couple, no children  Unlock40.1%42.9%
 Non Family Households1,197  Unlock43,255,233
     Single householder, w/children  Unlock21.5%15.8%
     Single householder, no children12.0%  Unlock10.8%
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