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2025 Compare Cities People:
Seaside, OR vs New Castle, CO

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Highlights
- New Castle is 0% more densely populated than Seaside.
- People are 25.3% more likely to be married in New Castle.
- The Median Age is 14.9 years younger in New Castle.
 Seaside, ORNew Castle, COUnited States
 Population  Unlock4,883329,725,481
 Female Population55.4%  Unlock50.5%
 Male Population44.6%  Unlock49.5%
 Median Age  Unlock36.338.4
 space3
 Population - 20106,497  Unlock309,327,143
 Population - 2000  Unlock1,984285,036,114
 Population - 19905,359  Unlock251,960,433
 Pop. 2000 to Now  Unlock150.1%15.6%
 Pop. 1990 to Now29.2%  Unlock30.8%
 space4
 Population Density  Unlock1,834.393.4
 Land Area3.9  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Seaside, ORNew Castle, COUnited States
 Age 0 to 41.8%  Unlock5.9%
 Age 5 to 9  Unlock6.2%6.1%
 Age 10 to 146.8%  Unlock6.6%
 Age 15 to 17  Unlock6.1%3.9%
 Age 18 to 203.8%  Unlock4.0%
 Age 21 to 24  Unlock6.1%5.2%
 Age 25 to 3410.0%  Unlock13.8%
 Age 35 to 44  Unlock14.2%12.9%
 Age 45 to 5413.8%  Unlock12.6%
 Age 55 to 59  Unlock4.0%6.7%
 Age 60 to 647.3%  Unlock6.3%
 Age 65 to 74  Unlock3.8%9.6%
 Age 75 to 847.6%  Unlock4.5%
 Age 85 and over  Unlock0.7%1.9%
 space1
 Race
 Seaside, ORNew Castle, COUnited States
 White89.3%  Unlock59.4%
 Black  Unlock0.0%12.2%
 Asian1.2%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races0.1%  Unlock3.2%
 Hispanic  Unlock27.4%18.4%
 space2
 Marriage & Family
 Seaside, ORNew Castle, COUnited States
 Married Population42.2%  Unlock49.8%
     Currently Married  Unlock52.6%48.0%
 Married but Separated1.1%  Unlock1.8%
 Single Population  Unlock47.1%50.2%
 Never Married25.8%  Unlock33.8%
 Divorced  Unlock15.8%10.8%
 Widowed7.9%  Unlock5.6%
 space5
 Household Size  Unlock2.932.60
 Households3,441  Unlock124,010,992
 Family Households  Unlock1,13980,755,759
     Married couple, w/children24.7%  Unlock30.5%
     Married couple, no children  Unlock32.6%42.9%
 Non Family Households1,945  Unlock43,255,233
     Single householder, w/children  Unlock12.0%15.8%
     Single householder, no children15.0%  Unlock10.8%
Voting
Reviews for Seaside    2 Reviews
Kalli · Seaside, OR
Bad crime, bad weather, expensive
Over 5 years ago

Horrible crime, you can’t leave your house without seeing flocks of drug addicts nor take a nature walk without seeing vagrant camps full of dirty, used needles and  More

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Eva · Lansford, PA
There's no place like home!
Over 6 years ago

I lived in Seaside Oregon from 1974 te 1982, off and on. Now I'm way over in Pennsylvania, but I still call Seaside home. The area is so beautiful ... there's no place  More

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Reviews for New Castle    3 Reviews
Les  · New Castle, CO
Cost of living
Over 11 years ago

Small town  More

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Phillip · New Castle, CO
new castle
Over 12 years ago

Been here about 1 1/2 years. Climate is great, lots of snow in winter, mild summers but still hits triple digits though:/ Work is hard to come by unless you are in the  More

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Amanda · New Castle, CO
Beautiful Place! But Expensive!
Over 17 years ago

New Castle is a small town outside of Glenwood Springs. We have beautiful weather, gorgeous mountains but it is very expensive to live here... I think the cost of  More

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Learn More About Seaside, Oregon
Overview
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