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2025 Compare Cities People:
St. Louis, MO vs Plainfield, IL

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Highlights
- Plainfield is 0% more densely populated than St. Louis.
- People are 86.8% more likely to be married in Plainfield.
- The Median Age is 1.0 years older in Plainfield.
 St. Louis, MOPlainfield, ILUnited States
 Population  Unlock44,296329,725,481
 Female Population51.3%  Unlock50.5%
 Male Population48.7%  Unlock49.5%
 Median Age  Unlock37.338.4
 space3
 Population - 2010319,367  Unlock309,327,143
 Population - 2000  Unlock13,038285,036,114
 Population - 1990396,685  Unlock251,960,433
 Pop. 2000 to Now  Unlock241.6%15.6%
 Pop. 1990 to Now-25.0%  Unlock30.8%
 space4
 Population Density  Unlock1,808.193.4
 Land Area61.7  Unlock3,531,905.4
 Water Area  Unlock1.0264,836.8
 space
 Est. Total Population By Age
 St. Louis, MOPlainfield, ILUnited States
 Age 0 to 46.1%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 145.3%  Unlock6.6%
 Age 15 to 17  Unlock5.8%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock4.3%5.2%
 Age 25 to 3419.9%  Unlock13.8%
 Age 35 to 44  Unlock15.6%12.9%
 Age 45 to 5411.5%  Unlock12.6%
 Age 55 to 59  Unlock6.0%6.7%
 Age 60 to 646.8%  Unlock6.3%
 Age 65 to 74  Unlock5.6%9.6%
 Age 75 to 843.5%  Unlock4.5%
 Age 85 and over  Unlock1.3%1.9%
 space1
 Race
 St. Louis, MOPlainfield, ILUnited States
 White44.3%  Unlock59.4%
 Black  Unlock8.3%12.2%
 Asian3.4%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races2.8%  Unlock3.2%
 Hispanic  Unlock9.9%18.4%
 space2
 Marriage & Family
 St. Louis, MOPlainfield, ILUnited States
 Married Population33.6%  Unlock49.8%
     Currently Married  Unlock62.1%48.0%
 Married but Separated2.9%  Unlock1.8%
 Single Population  Unlock37.1%50.2%
 Never Married48.8%  Unlock33.8%
 Divorced  Unlock6.5%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock3.272.60
 Households141,161  Unlock124,010,992
 Family Households  Unlock11,52580,755,759
     Married couple, w/children20.7%  Unlock30.5%
     Married couple, no children  Unlock34.6%42.9%
 Non Family Households78,602  Unlock43,255,233
     Single householder, w/children  Unlock9.3%15.8%
     Single householder, no children16.4%  Unlock10.8%
Voting
Reviews for St. Louis    113 Reviews
Darren · Northwoods, MO
As a life time resident, I have mixed feelings...
Over 1 years ago

I'm 65 and lived here my entire life. Growing up in St. Louis I've learned there is a like to like about it. Lots of first class Hospitals and Doctors, LOTS of great  More

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David · Larkspur, CO
St. Louis is a diamond in the rough...
Over 3 years ago

This is an outsider's perspective on St. Louis. Sometimes a fresh perspective looking in from the outside is helpful. I don't live there as of this writing (Dec 22) but  More

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Jeff · Overland, MO
Great friendly city
Over 3 years ago

I have travelled extensively and have lived in several other cities around the country. I chose to live in St. Louis city because it has many big city amenities with an  More

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Reviews for Plainfield    13 Reviews
Peter · Plainfield, IL
Housing
Over 11 years ago

Plenty of housing in Plainfield, Joliet, IL area but norm on rent for a three bedroom house is around $2000.00  More

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Bp · Plainfield, IL
Grand Park Subdivision
Over 12 years ago

We transferred from the East Coast to Chicagoland and did not know where to live....We have kids and did NOT want the excess (read Drug Problems) in Naperville....Our  More

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Eric · Plainfield, IL
Plainfleld, IL
Over 12 years ago

Plainfield is a good place to live, housing is descent, low crime.   More

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Learn More About St. Louis, Missouri
Overview
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Learn More About Plainfield, Illinois
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