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2025 Compare Cities People:
Weldon Spring, MO vs Lake St. Louis, MO

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Highlights
- Lake St. Louis is 0% more densely populated than Weldon Spring.
- People are 8.5% less likely to be married in Lake St. Louis.
- The Median Age is 12.2 years younger in Lake St. Louis.
 Weldon Spring, MOLake St. Louis, MOUnited States
 Population  Unlock16,665329,725,481
 Female Population48.9%  Unlock50.5%
 Male Population51.1%  Unlock49.5%
 Median Age  Unlock43.938.4
 space3
 Population - 20105,422  Unlock309,327,143
 Population - 2000  Unlock10,169285,036,114
 Population - 19901,470  Unlock251,960,433
 Pop. 2000 to Now  Unlock69.0%15.6%
 Pop. 1990 to Now277.3%  Unlock30.8%
 space4
 Population Density  Unlock2,002.593.4
 Land Area7.7  Unlock3,531,905.4
 Water Area  Unlock0.8264,836.8
 space
 Est. Total Population By Age
 Weldon Spring, MOLake St. Louis, MOUnited States
 Age 0 to 41.9%  Unlock5.9%
 Age 5 to 9  Unlock7.4%6.1%
 Age 10 to 145.7%  Unlock6.6%
 Age 15 to 17  Unlock4.6%3.9%
 Age 18 to 201.5%  Unlock4.0%
 Age 21 to 24  Unlock6.9%5.2%
 Age 25 to 344.9%  Unlock13.8%
 Age 35 to 44  Unlock12.9%12.9%
 Age 45 to 5413.5%  Unlock12.6%
 Age 55 to 59  Unlock6.9%6.7%
 Age 60 to 6412.2%  Unlock6.3%
 Age 65 to 74  Unlock10.7%9.6%
 Age 75 to 8410.0%  Unlock4.5%
 Age 85 and over  Unlock2.3%1.9%
 space1
 Race
 Weldon Spring, MOLake St. Louis, MOUnited States
 White95.1%  Unlock59.4%
 Black  Unlock4.2%12.2%
 Asian0.6%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races1.4%  Unlock3.2%
 Hispanic  Unlock4.4%18.4%
 space2
 Marriage & Family
 Weldon Spring, MOLake St. Louis, MOUnited States
 Married Population68.9%  Unlock49.8%
     Currently Married  Unlock62.8%48.0%
 Married but Separated0.0%  Unlock1.8%
 Single Population  Unlock36.9%50.2%
 Never Married16.1%  Unlock33.8%
 Divorced  Unlock10.3%10.8%
 Widowed8.4%  Unlock5.6%
 space5
 Household Size  Unlock2.472.60
 Households2,163  Unlock124,010,992
 Family Households  Unlock4,87880,755,759
     Married couple, w/children28.4%  Unlock30.5%
     Married couple, no children  Unlock55.5%42.9%
 Non Family Households414  Unlock43,255,233
     Single householder, w/children  Unlock6.9%15.8%
     Single householder, no children4.6%  Unlock10.8%
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Learn More About Weldon Spring, Missouri
Overview
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Learn More About Lake St. Louis, Missouri
Overview
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