2025 Compare Cities People:
King of Prussia, PA vs St. Louis, MO

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Highlights
- St. Louis is 0% more densely populated than King of Prussia.
- People are 38.2% less likely to be married in St. Louis.
- The Median Age is 0.6 years younger in St. Louis.
 King of Prussia, PASt. Louis, MOUnited States
 Population  Unlock302,787329,725,481
 Female Population50.0%  Unlock50.5%
 Male Population50.0%  Unlock49.5%
 Median Age  Unlock36.338.4
 space3
 Population - 201019,735  Unlock309,327,143
 Population - 2000  Unlock348,189285,036,114
 Population - 199018,406  Unlock251,960,433
 Pop. 2000 to Now  Unlock-14.5%15.6%
 Pop. 1990 to Now11.1%  Unlock30.8%
 space4
 Population Density  Unlock4,903.993.4
 Land Area8.5  Unlock3,531,905.4
 Water Area  Unlock4.3264,836.8
 space
 Est. Total Population By Age
 King of Prussia, PASt. Louis, MOUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock4.8%6.1%
 Age 10 to 144.1%  Unlock6.6%
 Age 15 to 17  Unlock2.8%3.9%
 Age 18 to 201.3%  Unlock4.0%
 Age 21 to 24  Unlock5.4%5.2%
 Age 25 to 3422.4%  Unlock13.8%
 Age 35 to 44  Unlock13.7%12.9%
 Age 45 to 5411.6%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock8.8%9.6%
 Age 75 to 846.0%  Unlock4.5%
 Age 85 and over  Unlock1.7%1.9%
 space1
 Race
 King of Prussia, PASt. Louis, MOUnited States
 White61.5%  Unlock59.4%
 Black  Unlock44.6%12.2%
 Asian25.0%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races2.7%  Unlock3.2%
 Hispanic  Unlock4.2%18.4%
 space2
 Marriage & Family
 King of Prussia, PASt. Louis, MOUnited States
 Married Population54.4%  Unlock49.8%
     Currently Married  Unlock30.7%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock66.4%50.2%
 Never Married33.5%  Unlock33.8%
 Divorced  Unlock12.3%10.8%
 Widowed5.1%  Unlock5.6%
 space5
 Household Size  Unlock2.082.60
 Households10,555  Unlock124,010,992
 Family Households  Unlock62,55980,755,759
     Married couple, w/children36.1%  Unlock30.5%
     Married couple, no children  Unlock36.1%42.9%
 Non Family Households4,648  Unlock43,255,233
     Single householder, w/children  Unlock26.9%15.8%
     Single householder, no children8.2%  Unlock10.8%
Reviews for King Of Prussia    4 Reviews

Over 15 years ago

No comment...just trying to be able to answer another person's  More

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Over 16 years ago

KOP is what is wrong with America. Taxes may be low now, but we will pay for it later. No sidewalks, drive everywhere, no personality, no community, no  More

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King of Prussia has the lowest taxes in the 5 county area. It is centrally located just 20 minutes from center City Philadelphia, a very good public transportation  More

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Reviews for St. Louis    113 Reviews

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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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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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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