2025 Compare Cities People:
Sioux Falls, SD vs Algonquin, IL

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Highlights
- Algonquin is 0% more densely populated than Sioux Falls.
- People are 18.5% more likely to be married in Algonquin.
- The Median Age is 7.5 years older in Algonquin.
 Sioux Falls, SDAlgonquin, ILUnited States
 Population  Unlock29,869329,725,481
 Female Population49.8%  Unlock50.5%
 Male Population50.2%  Unlock49.5%
 Median Age  Unlock4238.4
 space3
 Population - 2010154,538  Unlock309,327,143
 Population - 2000  Unlock23,276285,036,114
 Population - 1990100,814  Unlock251,960,433
 Pop. 2000 to Now  Unlock32.0%15.6%
 Pop. 1990 to Now86.3%  Unlock30.8%
 space4
 Population Density  Unlock2,442.193.4
 Land Area77.5  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Sioux Falls, SDAlgonquin, ILUnited States
 Age 0 to 47.4%  Unlock5.9%
 Age 5 to 9  Unlock6.5%6.1%
 Age 10 to 146.6%  Unlock6.6%
 Age 15 to 17  Unlock4.8%3.9%
 Age 18 to 203.6%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 3416.1%  Unlock13.8%
 Age 35 to 44  Unlock11.8%12.9%
 Age 45 to 5411.2%  Unlock12.6%
 Age 55 to 59  Unlock9.8%6.7%
 Age 60 to 645.4%  Unlock6.3%
 Age 65 to 74  Unlock7.5%9.6%
 Age 75 to 843.2%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
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 Race
 Sioux Falls, SDAlgonquin, ILUnited States
 White79.9%  Unlock59.4%
 Black  Unlock2.5%12.2%
 Asian2.4%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races3.7%  Unlock3.2%
 Hispanic  Unlock10.2%18.4%
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 Marriage & Family
 Sioux Falls, SDAlgonquin, ILUnited States
 Married Population49.8%  Unlock49.8%
     Currently Married  Unlock58.1%48.0%
 Married but Separated1.2%  Unlock1.8%
 Single Population  Unlock41.0%50.2%
 Never Married34.5%  Unlock33.8%
 Divorced  Unlock8.1%10.8%
 Widowed4.3%  Unlock5.6%
 space5
 Household Size  Unlock2.712.60
 Households77,326  Unlock124,010,992
 Family Households  Unlock8,47280,755,759
     Married couple, w/children34.6%  Unlock30.5%
     Married couple, no children  Unlock49.4%42.9%
 Non Family Households31,176  Unlock43,255,233
     Single householder, w/children  Unlock10.0%15.8%
     Single householder, no children6.8%  Unlock10.8%
Reviews for Sioux Falls    56 Reviews

I've lived in Sioux Falls for 2 years. I've found it to be a good place to live. The city is not too big, and has an thriving economy. Traffic is not bad, but as the  More

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Sioux Falls isn’t as bad as people make it out to be. I’ve lived here for 2 years and my experience has been pleasant. Sioux Falls is a decent sized city, not too big or  More

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Over 4 years ago

Lived on both sides of the city (it's split up by east side and west side by the locals and they're kinda in competition with each other). I've been here for 3 years and  More

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Reviews for Algonquin    4 Reviews

Over 1 years ago

Algonquin has really changed and grown, especially west algonquin. Politically though it leans conservative. That has not changed. People are nice though and they are  More

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Over 15 years ago

This town is practically Mayberry as far as crime goes.  More

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Over 18 years ago

Algonquin is a far northwest suburb of Chicago north of Elgin IL off of I90. The western part of Algonquin has shown significant growth and expansion over the past few  More

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