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2025 Compare Cities People:
Duncan, SC vs Kapaau, HI

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Highlights
- Kapaau is 0% more densely populated than Duncan.
- People are 5.5% more likely to be married in Kapaau.
- The Median Age is 15.1 years older in Kapaau.
 Duncan, SCKapaau, HIUnited States
 Population  Unlock2,044329,725,481
 Female Population54.1%  Unlock50.5%
 Male Population46.0%  Unlock49.5%
 Median Age  Unlock45.638.4
 space3
 Population - 20103,192  Unlock309,327,143
 Population - 2000  Unlock1,159285,036,114
 Population - 19902,152  Unlock251,960,433
 Pop. 2000 to Now  Unlock59.5%15.6%
 Pop. 1990 to Now72.6%  Unlock30.8%
 space4
 Population Density  Unlock710.593.4
 Land Area4.8  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Duncan, SCKapaau, HIUnited States
 Age 0 to 47.5%  Unlock5.9%
 Age 5 to 9  Unlock4.7%6.1%
 Age 10 to 146.2%  Unlock6.6%
 Age 15 to 17  Unlock3.0%3.9%
 Age 18 to 201.4%  Unlock4.0%
 Age 21 to 24  Unlock7.5%5.2%
 Age 25 to 3428.4%  Unlock13.8%
 Age 35 to 44  Unlock10.3%12.9%
 Age 45 to 547.7%  Unlock12.6%
 Age 55 to 59  Unlock7.3%6.7%
 Age 60 to 645.9%  Unlock6.3%
 Age 65 to 74  Unlock11.3%9.6%
 Age 75 to 840.6%  Unlock4.5%
 Age 85 and over  Unlock8.2%1.9%
 space1
 Race
 Duncan, SCKapaau, HIUnited States
 White52.7%  Unlock59.4%
 Black  Unlock1.3%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races4.0%  Unlock3.2%
 Hispanic  Unlock34.6%18.4%
 space2
 Marriage & Family
 Duncan, SCKapaau, HIUnited States
 Married Population39.9%  Unlock49.8%
     Currently Married  Unlock42.1%48.0%
 Married but Separated4.2%  Unlock1.8%
 Single Population  Unlock57.9%50.2%
 Never Married33.7%  Unlock33.8%
 Divorced  Unlock7.8%10.8%
 Widowed12.7%  Unlock5.6%
 space5
 Household Size  Unlock3.002.60
 Households1,565  Unlock124,010,992
 Family Households  Unlock41880,755,759
     Married couple, w/children24.8%  Unlock30.5%
     Married couple, no children  Unlock50.7%42.9%
 Non Family Households604  Unlock43,255,233
     Single householder, w/children  Unlock18.7%15.8%
     Single householder, no children9.7%  Unlock10.8%
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Reviews for Kapaau    1 Reviews
Scott · Kapaau, HI
Small town at the end of the road on an island in
Over 16 years ago

Kapaau and neighboring Hawi are located on the northern tip of the Island of Hawaii, commonly called the Big Island. Approx 6500 people in the area. The road stops at  More

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Learn More About Duncan, South Carolina
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