2025 Compare Cities People:
Oskaloosa, IA vs Derby, IA

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Highlights
- Derby is 0% more densely populated than Oskaloosa.
- People are 43.0% more likely to be married in Derby.
- The Median Age is 6.6 years older in Derby.
 Oskaloosa, IADerby, IAUnited States
 Population  Unlock86329,725,481
 Female Population50.4%  Unlock50.5%
 Male Population49.6%  Unlock49.5%
 Median Age  Unlock41.838.4
 space3
 Population - 201011,518  Unlock309,327,143
 Population - 2000  Unlock131285,036,114
 Population - 199010,632  Unlock251,960,433
 Pop. 2000 to Now  Unlock-15.3%15.6%
 Pop. 1990 to Now11.0%  Unlock30.8%
 space4
 Population Density  Unlock330.893.4
 Land Area8.0  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Oskaloosa, IADerby, IAUnited States
 Age 0 to 46.8%  Unlock5.9%
 Age 5 to 9  Unlock7.0%6.1%
 Age 10 to 146.9%  Unlock6.6%
 Age 15 to 17  Unlock8.1%3.9%
 Age 18 to 205.2%  Unlock4.0%
 Age 21 to 24  Unlock0.0%5.2%
 Age 25 to 3414.8%  Unlock13.8%
 Age 35 to 44  Unlock23.3%12.9%
 Age 45 to 5410.5%  Unlock12.6%
 Age 55 to 59  Unlock5.8%6.7%
 Age 60 to 645.5%  Unlock6.3%
 Age 65 to 74  Unlock12.8%9.6%
 Age 75 to 845.2%  Unlock4.5%
 Age 85 and over  Unlock0.0%1.9%
 space1
 Race
 Oskaloosa, IADerby, IAUnited States
 White89.4%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian2.2%  Unlock5.6%
 Native American  Unlock2.3%0.6%
 Hawaiian, Pacific Islander0.3%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races1.7%  Unlock3.2%
 Hispanic  Unlock0.0%18.4%
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 Marriage & Family
 Oskaloosa, IADerby, IAUnited States
 Married Population49.5%  Unlock49.8%
     Currently Married  Unlock70.8%48.0%
 Married but Separated1.4%  Unlock1.8%
 Single Population  Unlock29.2%50.2%
 Never Married31.0%  Unlock33.8%
 Divorced  Unlock4.2%10.8%
 Widowed7.1%  Unlock5.6%
 space5
 Household Size  Unlock2.392.60
 Households4,648  Unlock124,010,992
 Family Households  Unlock2580,755,759
     Married couple, w/children29.8%  Unlock30.5%
     Married couple, no children  Unlock52.0%42.9%
 Non Family Households1,761  Unlock43,255,233
     Single householder, w/children  Unlock0.0%15.8%
     Single householder, no children5.3%  Unlock10.8%
Reviews for Oskaloosa    2 Reviews

Over 11 years ago

Iowa's weather is extremely unpredictable, but that's just the way it is. I personally hate snow and cold, so I'm not a fan of Iowa winters, but spring and summer are  More

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Over 15 years ago

Website lists the population @ 14,956 w/ a decrease of -.56 since 2000. I show the 2000 population as 11,066.Something is  More

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