2025 Compare Cities People:
Keystone, SD vs Springfield, NY

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Highlights
- Springfield is 0% more densely populated than Keystone.
- People are 19.3% more likely to be married in Springfield.
- The Median Age is 5.5 years older in Springfield.
 Keystone, SDSpringfield, NYUnited States
 Population  Unlock1,387329,725,481
 Female Population45.6%  Unlock50.5%
 Male Population54.4%  Unlock49.5%
 Median Age  Unlock42.338.4
 space3
 Population - 2010334  Unlock309,327,143
 Population - 2000  Unlock1,350285,036,114
 Population - 1990232  Unlock251,960,433
 Pop. 2000 to Now  Unlock-7.3%15.6%
 Pop. 1990 to Now51.7%  Unlock30.8%
 space4
 Population Density  Unlock32.393.4
 Land Area2.9  Unlock3,531,905.4
 Water Area  Unlock2.6264,836.8
 space
 Est. Total Population By Age
 Keystone, SDSpringfield, NYUnited States
 Age 0 to 46.6%  Unlock5.9%
 Age 5 to 9  Unlock5.0%6.1%
 Age 10 to 146.0%  Unlock6.6%
 Age 15 to 17  Unlock4.1%3.9%
 Age 18 to 201.1%  Unlock4.0%
 Age 21 to 24  Unlock6.1%5.2%
 Age 25 to 346.0%  Unlock13.8%
 Age 35 to 44  Unlock6.8%12.9%
 Age 45 to 5410.4%  Unlock12.6%
 Age 55 to 59  Unlock9.7%6.7%
 Age 60 to 645.8%  Unlock6.3%
 Age 65 to 74  Unlock12.0%9.6%
 Age 75 to 844.5%  Unlock4.5%
 Age 85 and over  Unlock0.6%1.9%
 space1
 Race
 Keystone, SDSpringfield, NYUnited States
 White66.1%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian1.5%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races7.7%  Unlock3.2%
 Hispanic  Unlock2.9%18.4%
 space2
 Marriage & Family
 Keystone, SDSpringfield, NYUnited States
 Married Population51.7%  Unlock49.8%
     Currently Married  Unlock58.8%48.0%
 Married but Separated0.0%  Unlock1.8%
 Single Population  Unlock38.3%50.2%
 Never Married26.5%  Unlock33.8%
 Divorced  Unlock7.7%10.8%
 Widowed0.8%  Unlock5.6%
 space5
 Household Size  Unlock2.742.60
 Households152  Unlock124,010,992
 Family Households  Unlock35780,755,759
     Married couple, w/children51.0%  Unlock30.5%
     Married couple, no children  Unlock51.0%42.9%
 Non Family Households50  Unlock43,255,233
     Single householder, w/children  Unlock8.7%15.8%
     Single householder, no children1.0%  Unlock10.8%
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