2024 Compare Cities People:
Decatur, IL vs St. Petersburg, FL

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Highlights
- St. Petersburg is 0% more densely populated than Decatur.
- People are 1.0% more likely to be married in St. Petersburg.
- The Median Age is 3.0 years older in St. Petersburg.
 Decatur, ILSt. Petersburg, FLUnited States
 Population71,309258,245329,725,481
 Female Population52.7%51.5%50.5%
 Male Population47.3%48.5%49.5%
 Median Age39.942.938.4
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 Population - 201076,095245,220309,327,143
 Population - 200081,860248,232285,036,114
 Population - 199083,885238,629251,960,433
 Pop. 2000 to Now-14.5%7.9%15.6%
 Pop. 1990 to Now-16.5%12.2%30.8%
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 Population Density1,685.04,175.593.4
 Land Area42.361.83,531,905.4
 Water Area4.776.2264,836.8
 space
 Est. Total Population By Age
 Decatur, ILSt. Petersburg, FLUnited States
 Age 0 to 46.0%4.9%5.9%
 Age 5 to 95.5%4.9%6.1%
 Age 10 to 145.7%4.6%6.6%
 Age 15 to 173.7%2.7%3.9%
 Age 18 to 204.7%2.9%4.0%
 Age 21 to 245.2%4.7%5.2%
 Age 25 to 3413.2%15.6%13.8%
 Age 35 to 4411.3%12.4%12.9%
 Age 45 to 5410.8%12.9%12.6%
 Age 55 to 597.0%7.9%6.7%
 Age 60 to 646.8%7.4%6.3%
 Age 65 to 7411.1%11.3%9.6%
 Age 75 to 845.7%5.7%4.5%
 Age 85 and over3.3%2.3%1.9%
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 Race
 Decatur, ILSt. Petersburg, FLUnited States
 White67.5%63.9%59.4%
 Black23.0%20.7%12.2%
 Asian1.4%3.3%5.6%
 Native American0.2%0.1%0.6%
 Hawaiian, Pacific Islander0.1%0.0%0.2%
 Other0.1%0.4%0.4%
 Two or More Races4.9%3.3%3.2%
 Hispanic2.8%8.2%18.4%
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 Marriage & Family
 Decatur, ILSt. Petersburg, FLUnited States
 Married Population42.5%42.9%49.8%
     Currently Married41.1%41.0%48.0%
 Married but Separated1.4%1.9%1.8%
 Single Population57.5%57.1%50.2%
 Never Married35.7%36.1%33.8%
 Divorced14.0%14.9%10.8%
 Widowed7.8%6.1%5.6%
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 Household Size2.212.262.60
 Households30,718111,860124,010,992
 Family Households16,33559,05180,755,759
     Married couple, w/children20.5%23.4%30.5%
     Married couple, no children48.1%48.1%42.9%
 Non Family Households14,38352,80943,255,233
     Single householder, w/children20.0%15.7%15.8%
     Single householder, no children11.4%12.9%10.8%
Reviews for Decatur    14 Reviews

I was sent here by the company I worked for in the '90's and was not initially impressed with midwest living. However, over the years I got used to living in the "Pride  More

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I grew up in Decatur and I still have family there, but it depresses me to see what it has become. It has a high unemployment rate, many business have closed or are run  More

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Over 13 years ago

If you enjoy drinking & driving, Decatur's fifteen drive-thru liquor windows, three times the # of drive-thru's than the ten largest cities in Illinois, COMBINED, will  More

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Reviews for St. Petersburg    56 Reviews

I grew up here (1968). All the people who have posted how awful it is are not going to be happy anywhere because they see what they see. Thats the evolution of self as  More

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I moved here because my fiance was going to school here and two rents didn't make sense. Visiting was always great! However, after living here for a couple years it's  More

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Over 4 years ago

True the location is good, and during the Winters, it's really nice in St. Pete, but the Summers and brutally steaming HOT, and the St. Pete Police don't do their job  More

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