2026 Compare Cities People:
Effingham, IL vs Decatur, TN

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Highlights
- Decatur is 0% more densely populated than Effingham.
- People are 2.7% less likely to be married in Decatur.
- The Median Age is 3.2 years older in Decatur.
 Effingham, ILDecatur, TNUnited States
 Population  Unlock1,841329,725,481
 Female Population54.4%  Unlock50.5%
 Male Population45.6%  Unlock49.5%
 Median Age  Unlock40.238.4
 space3
 Population - 201012,345  Unlock309,327,143
 Population - 2000  Unlock1,395285,036,114
 Population - 199011,851  Unlock251,960,433
 Pop. 2000 to Now  Unlock19.2%15.6%
 Pop. 1990 to Now6.3%  Unlock30.8%
 space4
 Population Density  Unlock485.093.4
 Land Area10.2  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Effingham, ILDecatur, TNUnited States
 Age 0 to 46.8%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 147.3%  Unlock6.6%
 Age 15 to 17  Unlock4.6%3.9%
 Age 18 to 203.0%  Unlock4.0%
 Age 21 to 24  Unlock7.3%5.2%
 Age 25 to 3414.6%  Unlock13.8%
 Age 35 to 44  Unlock14.4%12.9%
 Age 45 to 5410.0%  Unlock12.6%
 Age 55 to 59  Unlock6.6%6.7%
 Age 60 to 646.0%  Unlock6.3%
 Age 65 to 74  Unlock10.8%9.6%
 Age 75 to 845.0%  Unlock4.5%
 Age 85 and over  Unlock1.6%1.9%
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 Race
 Effingham, ILDecatur, TNUnited States
 White91.4%  Unlock59.4%
 Black  Unlock3.7%12.2%
 Asian0.9%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races2.1%  Unlock3.2%
 Hispanic  Unlock1.7%18.4%
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 Marriage & Family
 Effingham, ILDecatur, TNUnited States
 Married Population49.0%  Unlock49.8%
     Currently Married  Unlock41.9%48.0%
 Married but Separated1.3%  Unlock1.8%
 Single Population  Unlock52.3%50.2%
 Never Married29.3%  Unlock33.8%
 Divorced  Unlock11.1%10.8%
 Widowed7.6%  Unlock5.6%
 space5
 Household Size  Unlock2.402.60
 Households5,225  Unlock124,010,992
 Family Households  Unlock44680,755,759
     Married couple, w/children26.8%  Unlock30.5%
     Married couple, no children  Unlock32.3%42.9%
 Non Family Households2,162  Unlock43,255,233
     Single householder, w/children  Unlock26.0%15.8%
     Single householder, no children6.7%  Unlock10.8%
Reviews for Effingham    3 Reviews

Over 7 years ago

Excellent Christian community and conservative area. Nice area surrounded by farmland and lakes!  More

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Over 14 years ago

Effingham is a place of conservative ideals and belief in the United States  More

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Over 19 years ago

We checked in to this motel on our way home from a funeral. It was nearly 10:00 PM and we were all tired from a long day of travelling. Upon entering the room, we  More

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Reviews for Decatur    2 Reviews

We need more places to eat and buy groceries, we are lossing a lot of sale tax money from people going to Athens and other near by  More

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Over 20 years ago

We need a judge who will quit slapping meth cooks and users/sellers on the wrist and putting them back on the street with little fine or jail time or community  More

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