2025 Compare Cities People:
Olathe, KS vs Plainfield, IL

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Highlights
- Plainfield is 0% more densely populated than Olathe.
- People are 5.9% more likely to be married in Plainfield.
- The Median Age is 1.4 years older in Plainfield.
 Olathe, KSPlainfield, ILUnited States
 Population  Unlock44,296329,725,481
 Female Population50.2%  Unlock50.5%
 Male Population49.8%  Unlock49.5%
 Median Age  Unlock37.338.4
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 Population - 2010126,253  Unlock309,327,143
 Population - 2000  Unlock13,038285,036,114
 Population - 199063,352  Unlock251,960,433
 Pop. 2000 to Now  Unlock241.6%15.6%
 Pop. 1990 to Now123.6%  Unlock30.8%
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 Population Density  Unlock1,808.193.4
 Land Area61.6  Unlock3,531,905.4
 Water Area  Unlock1.0264,836.8
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 Est. Total Population By Age
 Olathe, KSPlainfield, ILUnited States
 Age 0 to 46.5%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 148.0%  Unlock6.6%
 Age 15 to 17  Unlock5.8%3.9%
 Age 18 to 203.5%  Unlock4.0%
 Age 21 to 24  Unlock4.3%5.2%
 Age 25 to 3412.9%  Unlock13.8%
 Age 35 to 44  Unlock15.6%12.9%
 Age 45 to 5413.5%  Unlock12.6%
 Age 55 to 59  Unlock6.0%6.7%
 Age 60 to 644.7%  Unlock6.3%
 Age 65 to 74  Unlock5.6%9.6%
 Age 75 to 843.2%  Unlock4.5%
 Age 85 and over  Unlock1.3%1.9%
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 Race
 Olathe, KSPlainfield, ILUnited States
 White74.9%  Unlock59.4%
 Black  Unlock8.3%12.2%
 Asian4.2%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.2%  Unlock3.2%
 Hispanic  Unlock9.9%18.4%
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 Marriage & Family
 Olathe, KSPlainfield, ILUnited States
 Married Population59.4%  Unlock49.8%
     Currently Married  Unlock62.1%48.0%
 Married but Separated1.0%  Unlock1.8%
 Single Population  Unlock37.1%50.2%
 Never Married27.3%  Unlock33.8%
 Divorced  Unlock6.5%10.8%
 Widowed3.6%  Unlock5.6%
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 Household Size  Unlock3.272.60
 Households50,141  Unlock124,010,992
 Family Households  Unlock11,52580,755,759
     Married couple, w/children40.9%  Unlock30.5%
     Married couple, no children  Unlock34.6%42.9%
 Non Family Households12,938  Unlock43,255,233
     Single householder, w/children  Unlock9.3%15.8%
     Single householder, no children6.4%  Unlock10.8%
Reviews for Olathe    15 Reviews

I've lived in Olathe for 12 years. Olathe is a quiet bedroom community with great schools. 21st Century program provides many career path choices at the high school  More

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Over 7 years ago

I'm just going to give it right to ya! Olathe is closer of a normal mid-class neighborhood than say; Overland Park$$$. And if you like hoe-down country style, go South  More

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Lived in Olathe since about 1980. I can say Olathe is a great place to make a living, live life etc. It's one of those places that the UPS driver can leave a package  More

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Reviews for Plainfield    13 Reviews

Over 11 years ago

Plenty of housing in Plainfield, Joliet, IL area but norm on rent for a three bedroom house is around $2000.00  More

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Over 12 years ago

We transferred from the East Coast to Chicagoland and did not know where to live....We have kids and did NOT want the excess (read Drug Problems) in Naperville....Our  More

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Over 12 years ago

Plainfield is a good place to live, housing is descent, low crime.   More

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