2026 Compare Cities People:
Seaford, DE vs Lancaster, PA

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Highlights
- Lancaster is 0% more densely populated than Seaford.
- People are 12.4% less likely to be married in Lancaster.
- The Median Age is 9.5 years younger in Lancaster.
 Seaford, DELancaster, PAUnited States
 Population  Unlock58,034329,725,481
 Female Population52.8%  Unlock50.5%
 Male Population47.2%  Unlock49.5%
 Median Age  Unlock32.338.4
 space3
 Population - 20106,916  Unlock309,327,143
 Population - 2000  Unlock56,348285,036,114
 Population - 19905,689  Unlock251,960,433
 Pop. 2000 to Now  Unlock4.7%15.6%
 Pop. 1990 to Now45.0%  Unlock30.8%
 space4
 Population Density  Unlock8,030.293.4
 Land Area5.2  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
 space
 Est. Total Population By Age
 Seaford, DELancaster, PAUnited States
 Age 0 to 47.7%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 145.4%  Unlock6.6%
 Age 15 to 17  Unlock3.9%3.9%
 Age 18 to 205.1%  Unlock4.0%
 Age 21 to 24  Unlock6.5%5.2%
 Age 25 to 3410.1%  Unlock13.8%
 Age 35 to 44  Unlock14.2%12.9%
 Age 45 to 5414.5%  Unlock12.6%
 Age 55 to 59  Unlock5.7%6.7%
 Age 60 to 646.3%  Unlock6.3%
 Age 65 to 74  Unlock5.9%9.6%
 Age 75 to 844.4%  Unlock4.5%
 Age 85 and over  Unlock0.8%1.9%
 space1
 Race
 Seaford, DELancaster, PAUnited States
 White53.8%  Unlock59.4%
 Black  Unlock13.0%12.2%
 Asian2.8%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.1%0.4%
 Two or More Races5.2%  Unlock3.2%
 Hispanic  Unlock40.4%18.4%
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 Marriage & Family
 Seaford, DELancaster, PAUnited States
 Married Population41.6%  Unlock49.8%
     Currently Married  Unlock34.3%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock63.5%50.2%
 Never Married38.6%  Unlock33.8%
 Divorced  Unlock10.4%10.8%
 Widowed7.3%  Unlock5.6%
 space5
 Household Size  Unlock2.562.60
 Households3,101  Unlock124,010,992
 Family Households  Unlock12,37180,755,759
     Married couple, w/children27.8%  Unlock30.5%
     Married couple, no children  Unlock33.0%42.9%
 Non Family Households1,007  Unlock43,255,233
     Single householder, w/children  Unlock27.7%15.8%
     Single householder, no children15.5%  Unlock10.8%
Reviews for Seaford    2 Reviews

Over 7 years ago

Seaford is some doo doo  More

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Over 8 years ago

Lived here my whole life. Not a  More

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Reviews for Lancaster    14 Reviews

Lancaster is really nice in some parts, but it seems like the further away you get from downtown the worse it gets. I grew up around Saint Joseph and manor and saw  More

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I was there last weekend and was extremely favorably impressed. The only hesitation, and question, I have about the place is the high crime rate. It is hard to tell from  More

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Over 12 years ago

Lancaster is the nation's oldest inland city located in central PA amid Amish farmlands. Walkable and soon to be bike friendly, it offers a variety of great restaurants  More

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