2025 Compare Cities People:
McHenry, IL vs Algonquin, IL

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Highlights
- Algonquin is 0% more densely populated than McHenry.
- People are 6.4% more likely to be married in Algonquin.
- The Median Age is 0.2 years younger in Algonquin.
 McHenry, ILAlgonquin, ILUnited States
 Population  Unlock29,869329,725,481
 Female Population51.1%  Unlock50.5%
 Male Population48.9%  Unlock49.5%
 Median Age  Unlock4238.4
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 Population - 201027,045  Unlock309,327,143
 Population - 2000  Unlock23,276285,036,114
 Population - 199016,177  Unlock251,960,433
 Pop. 2000 to Now  Unlock32.0%15.6%
 Pop. 1990 to Now67.5%  Unlock30.8%
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 Population Density  Unlock2,442.193.4
 Land Area14.6  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
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 Est. Total Population By Age
 McHenry, ILAlgonquin, ILUnited States
 Age 0 to 45.2%  Unlock5.9%
 Age 5 to 9  Unlock6.5%6.1%
 Age 10 to 145.4%  Unlock6.6%
 Age 15 to 17  Unlock4.8%3.9%
 Age 18 to 203.1%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 3412.7%  Unlock13.8%
 Age 35 to 44  Unlock11.8%12.9%
 Age 45 to 5414.1%  Unlock12.6%
 Age 55 to 59  Unlock9.8%6.7%
 Age 60 to 646.3%  Unlock6.3%
 Age 65 to 74  Unlock7.5%9.6%
 Age 75 to 843.8%  Unlock4.5%
 Age 85 and over  Unlock2.2%1.9%
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 Race
 McHenry, ILAlgonquin, ILUnited States
 White81.0%  Unlock59.4%
 Black  Unlock2.5%12.2%
 Asian0.9%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races1.5%  Unlock3.2%
 Hispanic  Unlock10.2%18.4%
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 Marriage & Family
 McHenry, ILAlgonquin, ILUnited States
 Married Population55.4%  Unlock49.8%
     Currently Married  Unlock58.1%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock41.0%50.2%
 Never Married25.7%  Unlock33.8%
 Divorced  Unlock8.1%10.8%
 Widowed6.4%  Unlock5.6%
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 Household Size  Unlock2.712.60
 Households11,018  Unlock124,010,992
 Family Households  Unlock8,47280,755,759
     Married couple, w/children29.3%  Unlock30.5%
     Married couple, no children  Unlock49.4%42.9%
 Non Family Households3,668  Unlock43,255,233
     Single householder, w/children  Unlock10.0%15.8%
     Single householder, no children6.7%  Unlock10.8%
Reviews for Mchenry    5 Reviews

I was transferred to Northern Illinois and I made the disastrous decision to put down roots in McHenry County, IL. As noted above, property taxes are the highest in all  More

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I've Lived in McHenry for over 23yrs and it is still not that bad of a place to live at. However, Crime has been on the rise, heroin and coke are a real problem in  More

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being a veteran of McHenry for over 20yrs. McHenry is a alright place to be, but heroin and coke are major problems there...crime is on the rise, doesn't seem to show a  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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