2025 Compare Cities People:
Grain Valley, MO vs Jefferson, SD

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Highlights
- Jefferson is 0% more densely populated than Grain Valley.
- People are 11.4% more likely to be married in Jefferson.
- The Median Age is 1.1 years younger in Jefferson.
 Grain Valley, MOJefferson, SDUnited States
 Population  Unlock667329,725,481
 Female Population50.6%  Unlock50.5%
 Male Population49.4%  Unlock49.5%
 Median Age  Unlock3438.4
 space3
 Population - 201012,876  Unlock309,327,143
 Population - 2000  Unlock586285,036,114
 Population - 19901,898  Unlock251,960,433
 Pop. 2000 to Now  Unlock-12.1%15.6%
 Pop. 1990 to Now681.2%  Unlock30.8%
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 Population Density  Unlock1,307.893.4
 Land Area6.1  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Grain Valley, MOJefferson, SDUnited States
 Age 0 to 46.2%  Unlock5.9%
 Age 5 to 9  Unlock10.2%6.1%
 Age 10 to 1411.7%  Unlock6.6%
 Age 15 to 17  Unlock8.8%3.9%
 Age 18 to 202.8%  Unlock4.0%
 Age 21 to 24  Unlock2.5%5.2%
 Age 25 to 3411.7%  Unlock13.8%
 Age 35 to 44  Unlock8.2%12.9%
 Age 45 to 5413.6%  Unlock12.6%
 Age 55 to 59  Unlock5.5%6.7%
 Age 60 to 643.7%  Unlock6.3%
 Age 65 to 74  Unlock16.0%9.6%
 Age 75 to 843.4%  Unlock4.5%
 Age 85 and over  Unlock0.6%1.9%
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 Race
 Grain Valley, MOJefferson, SDUnited States
 White88.0%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian0.4%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.8%0.4%
 Two or More Races4.4%  Unlock3.2%
 Hispanic  Unlock3.7%18.4%
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 Marriage & Family
 Grain Valley, MOJefferson, SDUnited States
 Married Population53.9%  Unlock49.8%
     Currently Married  Unlock59.3%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock40.0%50.2%
 Never Married26.4%  Unlock33.8%
 Divorced  Unlock11.6%10.8%
 Widowed4.8%  Unlock5.6%
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 Household Size  Unlock2.512.60
 Households5,712  Unlock124,010,992
 Family Households  Unlock20580,755,759
     Married couple, w/children40.1%  Unlock30.5%
     Married couple, no children  Unlock54.6%42.9%
 Non Family Households1,635  Unlock43,255,233
     Single householder, w/children  Unlock18.5%15.8%
     Single householder, no children10.7%  Unlock10.8%
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