2025 Compare Cities People:
Deerfield, IL vs Rockville, MD

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Highlights
- Rockville is 0% more densely populated than Deerfield.
- People are 20.0% less likely to be married in Rockville.
- The Median Age is 5.1 years younger in Rockville.
 Deerfield, ILRockville, MDUnited States
 Population  Unlock67,095329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock39.238.4
 space3
 Population - 201018,245  Unlock309,327,143
 Population - 2000  Unlock47,388285,036,114
 Population - 199017,327  Unlock251,960,433
 Pop. 2000 to Now  Unlock46.7%15.6%
 Pop. 1990 to Now7.0%  Unlock30.8%
 space4
 Population Density  Unlock4,936.093.4
 Land Area5.5  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Deerfield, ILRockville, MDUnited States
 Age 0 to 43.8%  Unlock5.9%
 Age 5 to 9  Unlock6.0%6.1%
 Age 10 to 148.1%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 202.6%  Unlock4.0%
 Age 21 to 24  Unlock4.5%5.2%
 Age 25 to 347.9%  Unlock13.8%
 Age 35 to 44  Unlock15.2%12.9%
 Age 45 to 5415.0%  Unlock12.6%
 Age 55 to 59  Unlock6.4%6.7%
 Age 60 to 648.3%  Unlock6.3%
 Age 65 to 74  Unlock9.0%9.6%
 Age 75 to 844.9%  Unlock4.5%
 Age 85 and over  Unlock2.6%1.9%
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 Race
 Deerfield, ILRockville, MDUnited States
 White88.2%  Unlock59.4%
 Black  Unlock10.1%12.2%
 Asian5.2%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock1.1%0.4%
 Two or More Races2.0%  Unlock3.2%
 Hispanic  Unlock16.0%18.4%
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 Marriage & Family
 Deerfield, ILRockville, MDUnited States
 Married Population67.1%  Unlock49.8%
     Currently Married  Unlock52.2%48.0%
 Married but Separated0.1%  Unlock1.8%
 Single Population  Unlock46.4%50.2%
 Never Married20.1%  Unlock33.8%
 Divorced  Unlock9.4%10.8%
 Widowed5.2%  Unlock5.6%
 space5
 Household Size  Unlock2.502.60
 Households7,475  Unlock124,010,992
 Family Households  Unlock17,03980,755,759
     Married couple, w/children38.0%  Unlock30.5%
     Married couple, no children  Unlock41.4%42.9%
 Non Family Households1,841  Unlock43,255,233
     Single householder, w/children  Unlock12.7%15.8%
     Single householder, no children2.6%  Unlock10.8%
Reviews for Deerfield    2 Reviews

We moved to Deerfield in 1994, and loved it so much we moved across town 16 years later. Top-ranked schools, excellent home values, and friendly neighbors are all big  More

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The school system is the reason we moved here 15 years ago. Great  More

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Reviews for Rockville    16 Reviews

Having practically grown up here, it is fair to think I am biased. Before making assumptions about my opinion, though, I've lived in multiple cities in these states -  More

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Over 10 years ago

No comment at this  More

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Like the title says, the Rockville, MD area is filled with opportunities. But if you don't have a pretty high standing job then I hope you have a rich uncle. I may be  More

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