2025 Compare Cities People:
Duluth, MN vs Castle Rock, CO

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Highlights
- Castle Rock is 0% more densely populated than Duluth.
- People are 61.0% more likely to be married in Castle Rock.
- The Median Age is 1.8 years older in Castle Rock.
 Duluth, MNCastle Rock, COUnited States
 Population  Unlock71,037329,725,481
 Female Population51.2%  Unlock50.5%
 Male Population48.8%  Unlock49.5%
 Median Age  Unlock35.738.4
 space3
 Population - 201086,193  Unlock309,327,143
 Population - 2000  Unlock20,224285,036,114
 Population - 199085,493  Unlock251,960,433
 Pop. 2000 to Now  Unlock248.9%15.6%
 Pop. 1990 to Now0.3%  Unlock30.8%
 space4
 Population Density  Unlock2,073.293.4
 Land Area71.7  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Duluth, MNCastle Rock, COUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock8.2%6.1%
 Age 10 to 145.1%  Unlock6.6%
 Age 15 to 17  Unlock5.3%3.9%
 Age 18 to 209.2%  Unlock4.0%
 Age 21 to 24  Unlock3.6%5.2%
 Age 25 to 3413.6%  Unlock13.8%
 Age 35 to 44  Unlock16.2%12.9%
 Age 45 to 549.9%  Unlock12.6%
 Age 55 to 59  Unlock6.1%6.7%
 Age 60 to 645.8%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 844.4%  Unlock4.5%
 Age 85 and over  Unlock1.0%1.9%
 space1
 Race
 Duluth, MNCastle Rock, COUnited States
 White87.3%  Unlock59.4%
 Black  Unlock0.5%12.2%
 Asian1.6%  Unlock5.6%
 Native American  Unlock0.3%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races4.1%  Unlock3.2%
 Hispanic  Unlock11.0%18.4%
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 Marriage & Family
 Duluth, MNCastle Rock, COUnited States
 Married Population38.8%  Unlock49.8%
     Currently Married  Unlock61.8%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock37.5%50.2%
 Never Married44.6%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed5.0%  Unlock5.6%
 space5
 Household Size  Unlock2.832.60
 Households36,106  Unlock124,010,992
 Family Households  Unlock19,11280,755,759
     Married couple, w/children27.8%  Unlock30.5%
     Married couple, no children  Unlock37.4%42.9%
 Non Family Households18,077  Unlock43,255,233
     Single householder, w/children  Unlock8.6%15.8%
     Single householder, no children9.5%  Unlock10.8%
Reviews for Duluth    18 Reviews

My husband and I just visited Duluth for our anniversary. We stayed in Canal Park and found the area fun and convenient for travelers. Lots of quaint shops and  More

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Over 4 years ago

It is the worse weather in the U.S. as far as small cities that large. The houses are fare below par. they are old shingle 1920s vintage generally and not normally well  More

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I moved to Duluth fifteen years ago today from Arizona with my (at that time) 3 children, who were 1, 4 and 8. My daughter was born here 2 years later. I have never once  More

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Reviews for Castle Rock    12 Reviews

My fiance and I moved here in 2018 shortly after finishing college. I work in Colorado Springs and she works in the Denver area, so Castle Rock was practically our only  More

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Over 7 years ago

I have always been mobile for my career, until I moved to Castle Rock. I've lived in in multiple cities in the Midwest including Chicago and have visited nearly every  More

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Over 11 years ago

we have four seasons, and the rockies are only two hrs.away. so for the outdoors enthusist sking or hiking is like no other place you have been or seen it is hard to  More

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