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2026 Compare Cities People:
Adelphi, MD vs Langley Park, MD

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Highlights
- Langley Park is 0% more densely populated than Adelphi.
- People are 22.7% less likely to be married in Langley Park.
- The Median Age is 2.6 years younger in Langley Park.
 Adelphi, MDLangley Park, MDUnited States
 Population  Unlock20,769329,725,481
 Female Population46.6%  Unlock50.5%
 Male Population53.4%  Unlock49.5%
 Median Age  Unlock3038.4
 space3
 Population - 201015,040  Unlock309,327,143
 Population - 2000  Unlock16,214285,036,114
 Population - 199013,524  Unlock251,960,433
 Pop. 2000 to Now  Unlock21.0%15.6%
 Pop. 1990 to Now17.9%  Unlock30.8%
 space4
 Population Density  Unlock20,894.493.4
 Land Area2.7  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Adelphi, MDLangley Park, MDUnited States
 Age 0 to 46.8%  Unlock5.9%
 Age 5 to 9  Unlock11.3%6.1%
 Age 10 to 147.7%  Unlock6.6%
 Age 15 to 17  Unlock3.2%3.9%
 Age 18 to 203.9%  Unlock4.0%
 Age 21 to 24  Unlock5.5%5.2%
 Age 25 to 3417.5%  Unlock13.8%
 Age 35 to 44  Unlock15.1%12.9%
 Age 45 to 5410.6%  Unlock12.6%
 Age 55 to 59  Unlock5.0%6.7%
 Age 60 to 644.5%  Unlock6.3%
 Age 65 to 74  Unlock3.4%9.6%
 Age 75 to 842.5%  Unlock4.5%
 Age 85 and over  Unlock0.5%1.9%
 space1
 Race
 Adelphi, MDLangley Park, MDUnited States
 White11.8%  Unlock59.4%
 Black  Unlock14.7%12.2%
 Asian7.7%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races0.9%  Unlock3.2%
 Hispanic  Unlock81.5%18.4%
 space2
 Marriage & Family
 Adelphi, MDLangley Park, MDUnited States
 Married Population37.2%  Unlock49.8%
     Currently Married  Unlock26.8%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock71.3%50.2%
 Never Married53.1%  Unlock33.8%
 Divorced  Unlock4.1%10.8%
 Widowed3.3%  Unlock5.6%
 space5
 Household Size  Unlock4.072.60
 Households5,259  Unlock124,010,992
 Family Households  Unlock3,64680,755,759
     Married couple, w/children26.8%  Unlock30.5%
     Married couple, no children  Unlock17.3%42.9%
 Non Family Households1,943  Unlock43,255,233
     Single householder, w/children  Unlock44.5%15.8%
     Single householder, no children15.8%  Unlock10.8%
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Learn More About Adelphi, Maryland
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Learn More About Langley Park, Maryland
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