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

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Highlights
- Cottleville is 0% more densely populated than Lake St. Louis.
- People are 3.8% less likely to be married in Cottleville.
- The Median Age is 5.9 years younger in Cottleville.
 Lake St. Louis, MOCottleville, MOUnited States
 Population  Unlock5,408329,725,481
 Female Population49.2%  Unlock50.5%
 Male Population50.8%  Unlock49.5%
 Median Age  Unlock3838.4
 space3
 Population - 201014,607  Unlock309,327,143
 Population - 2000  Unlock1,928285,036,114
 Population - 19908,355  Unlock251,960,433
 Pop. 2000 to Now  Unlock207.3%15.6%
 Pop. 1990 to Now105.7%  Unlock30.8%
 space4
 Population Density  Unlock1,149.293.4
 Land Area8.3  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Lake St. Louis, MOCottleville, MOUnited States
 Age 0 to 43.4%  Unlock5.9%
 Age 5 to 9  Unlock9.4%6.1%
 Age 10 to 145.0%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 202.6%  Unlock4.0%
 Age 21 to 24  Unlock9.8%5.2%
 Age 25 to 348.6%  Unlock13.8%
 Age 35 to 44  Unlock14.7%12.9%
 Age 45 to 5413.3%  Unlock12.6%
 Age 55 to 59  Unlock7.9%6.7%
 Age 60 to 648.2%  Unlock6.3%
 Age 65 to 74  Unlock10.4%9.6%
 Age 75 to 847.1%  Unlock4.5%
 Age 85 and over  Unlock0.3%1.9%
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 Race
 Lake St. Louis, MOCottleville, MOUnited States
 White86.6%  Unlock59.4%
 Black  Unlock3.0%12.2%
 Asian1.3%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock5.1%18.4%
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 Marriage & Family
 Lake St. Louis, MOCottleville, MOUnited States
 Married Population63.1%  Unlock49.8%
     Currently Married  Unlock60.7%48.0%
 Married but Separated0.3%  Unlock1.8%
 Single Population  Unlock39.3%50.2%
 Never Married22.6%  Unlock33.8%
 Divorced  Unlock9.9%10.8%
 Widowed4.0%  Unlock5.6%
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 Household Size  Unlock2.682.60
 Households6,747  Unlock124,010,992
 Family Households  Unlock1,47480,755,759
     Married couple, w/children34.6%  Unlock30.5%
     Married couple, no children  Unlock55.2%42.9%
 Non Family Households1,869  Unlock43,255,233
     Single householder, w/children  Unlock10.7%15.8%
     Single householder, no children3.0%  Unlock10.8%
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