2025 Compare Cities People:
Blackhawk, SD vs Eureka, SD

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Highlights
- Eureka is 0% more densely populated than Blackhawk.
- People are 20.0% less likely to be married in Eureka.
- The Median Age is 19.5 years older in Eureka.
 Blackhawk, SDEureka, SDUnited States
 Population  Unlock895329,725,481
 Female Population48.9%  Unlock50.5%
 Male Population51.1%  Unlock49.5%
 Median Age  Unlock58.338.4
 space3
 Population - 20102,628  Unlock309,327,143
 Population - 2000  Unlock1,101285,036,114
 Population - 19901,995  Unlock251,960,433
 Pop. 2000 to Now  Unlock-25.8%15.6%
 Pop. 1990 to Now60.5%  Unlock30.8%
 space4
 Population Density  Unlock959.393.4
 Land Area4.7  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Blackhawk, SDEureka, SDUnited States
 Age 0 to 46.1%  Unlock5.9%
 Age 5 to 9  Unlock8.6%6.1%
 Age 10 to 145.7%  Unlock6.6%
 Age 15 to 17  Unlock2.3%3.9%
 Age 18 to 200.0%  Unlock4.0%
 Age 21 to 24  Unlock5.6%5.2%
 Age 25 to 3415.5%  Unlock13.8%
 Age 35 to 44  Unlock5.0%12.9%
 Age 45 to 548.7%  Unlock12.6%
 Age 55 to 59  Unlock8.5%6.7%
 Age 60 to 647.0%  Unlock6.3%
 Age 65 to 74  Unlock12.7%9.6%
 Age 75 to 847.9%  Unlock4.5%
 Age 85 and over  Unlock11.7%1.9%
 space1
 Race
 Blackhawk, SDEureka, SDUnited States
 White86.0%  Unlock59.4%
 Black  Unlock3.4%12.2%
 Asian2.2%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races0.9%  Unlock3.2%
 Hispanic  Unlock0.2%18.4%
 space2
 Marriage & Family
 Blackhawk, SDEureka, SDUnited States
 Married Population59.4%  Unlock49.8%
     Currently Married  Unlock46.6%48.0%
 Married but Separated0.0%  Unlock1.8%
 Single Population  Unlock52.5%50.2%
 Never Married19.1%  Unlock33.8%
 Divorced  Unlock10.4%10.8%
 Widowed2.8%  Unlock5.6%
 space5
 Household Size  Unlock2.092.60
 Households1,240  Unlock124,010,992
 Family Households  Unlock17680,755,759
     Married couple, w/children23.6%  Unlock30.5%
     Married couple, no children  Unlock63.1%42.9%
 Non Family Households311  Unlock43,255,233
     Single householder, w/children  Unlock14.8%15.8%
     Single householder, no children17.9%  Unlock10.8%
Reviews for Blackhawk    1 Reviews

Over 17 years ago

We love living here, we moved here from Metro Detroit when I was 8 months pregnant. This is a great community to raise a family, very friendly  More

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Reviews for Eureka    1 Reviews

Once the wheat capital of the US, this little town is getting smaller and smaller as there are no good employment opportunities so not many young folks stay or relocate  More

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