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2025 Compare Cities People:
Arnold, MO vs Eureka, MO

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Highlights
- Eureka is 0% more densely populated than Arnold.
- People are 14.3% more likely to be married in Eureka.
- The Median Age is 2.3 years younger in Eureka.
 Arnold, MOEureka, MOUnited States
 Population  Unlock11,663329,725,481
 Female Population50.8%  Unlock50.5%
 Male Population49.2%  Unlock49.5%
 Median Age  Unlock39.938.4
 space3
 Population - 201020,875  Unlock309,327,143
 Population - 2000  Unlock7,676285,036,114
 Population - 199018,828  Unlock251,960,433
 Pop. 2000 to Now  Unlock47.5%15.6%
 Pop. 1990 to Now12.3%  Unlock30.8%
 space4
 Population Density  Unlock1,102.693.4
 Land Area11.6  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
 space
 Est. Total Population By Age
 Arnold, MOEureka, MOUnited States
 Age 0 to 45.7%  Unlock5.9%
 Age 5 to 9  Unlock8.9%6.1%
 Age 10 to 145.4%  Unlock6.6%
 Age 15 to 17  Unlock6.0%3.9%
 Age 18 to 202.8%  Unlock4.0%
 Age 21 to 24  Unlock2.6%5.2%
 Age 25 to 3414.9%  Unlock13.8%
 Age 35 to 44  Unlock14.4%12.9%
 Age 45 to 5412.6%  Unlock12.6%
 Age 55 to 59  Unlock9.3%6.7%
 Age 60 to 647.5%  Unlock6.3%
 Age 65 to 74  Unlock7.6%9.6%
 Age 75 to 846.0%  Unlock4.5%
 Age 85 and over  Unlock2.1%1.9%
 space1
 Race
 Arnold, MOEureka, MOUnited States
 White90.4%  Unlock59.4%
 Black  Unlock0.7%12.2%
 Asian0.6%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races6.0%  Unlock3.2%
 Hispanic  Unlock1.0%18.4%
 space2
 Marriage & Family
 Arnold, MOEureka, MOUnited States
 Married Population53.4%  Unlock49.8%
     Currently Married  Unlock59.6%48.0%
 Married but Separated2.9%  Unlock1.8%
 Single Population  Unlock39.0%50.2%
 Never Married25.8%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed7.4%  Unlock5.6%
 space5
 Household Size  Unlock2.822.60
 Households8,405  Unlock124,010,992
 Family Households  Unlock2,90480,755,759
     Married couple, w/children30.9%  Unlock30.5%
     Married couple, no children  Unlock39.3%42.9%
 Non Family Households2,875  Unlock43,255,233
     Single householder, w/children  Unlock6.6%15.8%
     Single householder, no children8.0%  Unlock10.8%
Voting
Reviews for Arnold    1 Reviews
JT · Clermont, FL
Newly transplanted here!
Over 16 years ago

My husband's family lives in the area (Crestwood, Barnhart, Fenton, Ballwin), we have been visiting for about 20 years. We moved from a southern state which had it  More

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Reviews for Eureka    2 Reviews
Cecile · Eureka, MO
A safe bedroom community outside of St. Louis
Over 12 years ago

Eureka is an enjoyable place to  More

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Teresa · North Las Vegas, NV
Blevins Elemetary
Over 13 years ago

Blevins is a wonderful school for anyone to attend. The faculty are friendly and care about your children. The principle knows your children and you by name. The  More

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Learn More About Arnold, Missouri
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Learn More About Eureka, Missouri
Overview
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