| Back to United States. City: Seaford, DE Population (2000): 21,416
Housing units: 8,759 Land area: 77.6 sq. mi. Water area: 0.4 sq. mi. White population: 15517 Black population: 4886 American Indian population: 71 Asian population: 239 Native Hawaiian and Other Pacific Islander population: 19 Some other race population: 306 Two or more races population: 378 Urban population: 14136 Rural population: 7280 Median age: 37.5 Average household size: 2.57 Median household income (1999): $36042
 
Nearest zip codes: 19931, 19933, 19956, 21861, 19950, 21632.
Year house built:
- 1999 to March 2000: 281
- 1995 to 1998: 796
- 1990 to 1994: 870
- 1980 to 1989: 1550
- 1970 to 1979: 1720
- 1960 to 1969: 1215
- 1950 to 1959: 904
- 1940 to 1949: 562
- 1939 or earlier: 869
Bedrooms in owner-occupied houses in Seaford, DE (19973):
- no bedroom: 0
- 1 bedrooms: 89
- 2 bedrooms: 1226
- 3 bedrooms: 3383
- 4 bedrooms: 1179
- 5 or more bedrooms: 109
Bedrooms in renter-occupied apartments and housing units:
- no bedroom: 53
- 1 bedrooms: 384
- 2 bedrooms: 933
- 3 bedrooms: 589
- 4 bedrooms: 106
- 5 or more bedrooms: 33
Vehicles available in 19973 zip code in owner-occupied houses:
- no vehicle: 255
- 1 vehicle: 1597
- 2 vehicles: 2785
- 3 vehicles: 1054
- 4 vehicles: 232
- 5 or more vehicles: 63
Vehicles available in renter-occupied housing units:
- no vehicle: 509
- 1 vehicle: 973
- 2 vehicles: 526
- 3 vehicles: 61
- 4 vehicles: 0
- 5 or more vehicles: 29
Estimate of home value of owner-occupied houses in 2000 in zip code 19973:
- Less than $10,000: 0
- $10,000 to $14,999: 2
- $15,000 to $19,999: 22
- $20,000 to $24,999: 9
- $25,000 to $29,999: 36
- $30,000 to $34,999: 13
- $35,000 to $39,999: 25
- $40,000 to $49,999: 122
- $50,000 to $59,999: 138
- $60,000 to $69,999: 336
- $70,000 to $79,999: 326
- $80,000 to $89,999: 653
- $90,000 to $99,999: 461
- $100,000 to $124,999: 795
- $125,000 to $149,999: 579
- $150,000 to $174,999: 320
- $175,000 to $199,999: 247
- $200,000 to $249,999: 137
- $250,000 to $299,999: 70
- $300,000 to $399,999: 74
- $400,000 to $499,999: 39
- $500,000 to $749,999: 18
- $750,000 to $999,999: 0
- $1,000,000 or more: 0
First ancestries reported:
- Other groups: 4426
- United States or American: 2638
- English: 2431
- Irish: 1842
- German: 1432
- Italian: 729
- West Indian (excluding Hispanic groups):: 437
- Haitian: 400
- Polish: 279
- Scotch-Irish: 242
- Scottish: 205
- French (except Basque): 183
- Dutch: 157
- Subsaharan African:: 121
- African: 112
- Norwegian: 112
- Welsh: 91
- Swedish: 64
- European: 50
- British: 50
- Turkish: 46
- Czechoslovakian: 42
- Jamaican: 37
- Czech: 36
- Finnish: 36
- Danish: 31
- Hungarian: 28
- Pennsylvania German: 24
- Iranian: 23
- French Canadian: 21
- Greek: 15
- Eastern European: 14
- Portuguese: 13
- Arab:: 11
- Arab/Arabic: 9
- Ethiopian: 9
- Belgian: 9
- Austrian: 7
- Slovak: 6
- Swiss: 4
- Ukrainian: 3
- Estonian: 2
- Lebanese: 2
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