2026 Compare Cities People:
Round Lake, IL vs McHenry, IL

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Highlights
- McHenry is 0% more densely populated than Round Lake.
- People are 2.0% more likely to be married in McHenry.
- The Median Age is 5.2 years older in McHenry.
 Round Lake, ILMcHenry, ILUnited States
 Population  Unlock27,237329,725,481
 Female Population52.1%  Unlock50.5%
 Male Population47.9%  Unlock49.5%
 Median Age  Unlock42.238.4
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 Population - 201018,378  Unlock309,327,143
 Population - 2000  Unlock21,501285,036,114
 Population - 19903,550  Unlock251,960,433
 Pop. 2000 to Now  Unlock26.0%15.6%
 Pop. 1990 to Now406.5%  Unlock30.8%
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 Population Density  Unlock1,864.793.4
 Land Area5.6  Unlock3,531,905.4
 Water Area  Unlock0.4264,836.8
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 Est. Total Population By Age
 Round Lake, ILMcHenry, ILUnited States
 Age 0 to 46.1%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 148.0%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 204.1%  Unlock4.0%
 Age 21 to 24  Unlock4.7%5.2%
 Age 25 to 348.0%  Unlock13.8%
 Age 35 to 44  Unlock14.2%12.9%
 Age 45 to 5415.7%  Unlock12.6%
 Age 55 to 59  Unlock7.6%6.7%
 Age 60 to 645.3%  Unlock6.3%
 Age 65 to 74  Unlock10.0%9.6%
 Age 75 to 841.8%  Unlock4.5%
 Age 85 and over  Unlock3.3%1.9%
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 Race
 Round Lake, ILMcHenry, ILUnited States
 White51.5%  Unlock59.4%
 Black  Unlock0.6%12.2%
 Asian12.3%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races3.5%  Unlock3.2%
 Hispanic  Unlock16.1%18.4%
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 Marriage & Family
 Round Lake, ILMcHenry, ILUnited States
 Married Population54.3%  Unlock49.8%
     Currently Married  Unlock54.8%48.0%
 Married but Separated0.8%  Unlock1.8%
 Single Population  Unlock44.6%50.2%
 Never Married31.9%  Unlock33.8%
 Divorced  Unlock12.5%10.8%
 Widowed3.1%  Unlock5.6%
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 Household Size  Unlock2.452.60
 Households6,117  Unlock124,010,992
 Family Households  Unlock7,35080,755,759
     Married couple, w/children42.8%  Unlock30.5%
     Married couple, no children  Unlock51.1%42.9%
 Non Family Households1,522  Unlock43,255,233
     Single householder, w/children  Unlock12.9%15.8%
     Single householder, no children5.4%  Unlock10.8%
Reviews for Round Lake    2 Reviews

Round Lake, Illinois is a town that stretches from Route 60 on the southern borders to about Fish Lake Road on the western edge to Route 134 on the northern fringes.   More

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Over 19 years ago

Absolutely without a doubt the worst place in America to live. Property taxes are the highest in the State 3.76 % of value. If you have the misfortune of working in  More

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Start Your Review of Round Lake

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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