Seaford city, Delaware demographics
Population: 7,852
Median age: 41.8
Median household income: 55,162
Seaford is a city in Sussex County, Delaware, United States.
Demographics, population, home values, social and economic characteristics of Seaford city, DE.
Population
| 2021 | 7,852 |
| 2020 | 7,897 |
| 2019 | 7,715 |
| 2018 | 7,572 |
| 2017 | 7,447 |
| 2016 | 7,417 |
| 2015 | 7,290 |
| 2014 | 7,163 |
| 2013 | 7,096 |
| 2012 | 7,018 |
| 2011 | 6,985 |
| 2010 | 6,945 |
| 2009 | 7,146 |
Census data for Seaford city, Delaware
Demographic and housing estimates in Seaford city, Delaware
| Total population | 7,852 |
| Male | 3,705 |
| Female | 4,147 |
| Total population | 7,852 |
| Under 5 years | 608 |
| 5 to 9 years | 463 |
| 10 to 14 years | 421 |
| 15 to 19 years | 577 |
| 20 to 24 years | 433 |
| 25 to 34 years | 790 |
| 35 to 44 years | 936 |
| 45 to 54 years | 1,136 |
| 55 to 59 years | 505 |
| 60 to 64 years | 492 |
| 65 to 74 years | 899 |
| 75 to 84 years | 347 |
| 85 years and over | 245 |
| Median age (years) | 41.8 |
| Under 18 years | 1,693 |
| 16 years and over | 6,301 |
| 18 years and over | 6,159 |
| 21 years and over | 5,756 |
| 62 years and over | 1,783 |
| 65 years and over | 1,491 |
| Total population | 7,852 |
| One race | 7,339 |
| White | 4,487 |
| Black or African American | 2,344 |
| American Indian and Alaska Native | 0 |
| Asian | 218 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 290 |
| Two or more races | 513 |
| Citizen, VOTING AGE 18 and over population | 5,568 |
| Male Citizen, VOTING AGE 18 and over population | 2,637 |
| Female Citizen, VOTING AGE 18 and over population | 2,931 |
Social characteristics in Seaford city, Delaware
| Total households | 3,101 |
| Family households (families) | 1,219 |
| Married-couple family | 243 |
| Male householder, no wife present, family | 423 |
| Female householder, no husband present, family | 241 |
| Nonfamily households | 1,216 |
| Average household size | 1,009 |
| Average family size | 2.44 |
Economic characteristics in Seaford city, Delaware
| Total households | 3,101 |
| Less than $10,000 | 242 |
| $10,000 to $14,999 | 168 |
| $15,000 to $24,999 | 297 |
| $25,000 to $34,999 | 326 |
| $35,000 to $49,999 | 408 |
| $50,000 to $74,999 | 698 |
| $75,000 to $99,999 | 211 |
| $100,000 to $149,999 | 554 |
| $150,000 to $199,999 | 159 |
| $200,000 or more | 38 |
| Median household income (dollars) | 55,162 |
Housing characteristics in Seaford city, Delaware
| Total housing units | 3,310 |
| Occupied housing units | 3,101 |
| Vacant housing units | 209 |
| Total housing units | 3,310 |
| 1-unit, detached | 1,927 |
| 1-unit, attached | 186 |
| 2 units | 119 |
| 3 or 4 units | 255 |
| 5 to 9 units | 403 |
| 10 to 19 units | 186 |
| 20 or more units | 208 |
| Mobile home | 26 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 3,310 |
| Built 2014 or later | 6 |
| Built 2010 to 2013 | 433 |
| Built 2000 to 2009 | 563 |
| Built 1990 to 1999 | 265 |
| Built 1980 to 1989 | 461 |
| Built 1970 to 1979 | 340 |
| Built 1960 to 1969 | 423 |
| Built 1950 to 1959 | 179 |
| Built 1940 to 1949 | 261 |
| Built 1939 or earlier | 379 |
| Total housing units | 3,310 |
| 1 room | 50 |
| 2 rooms | 131 |
| 3 rooms | 396 |
| 4 rooms | 923 |
| 5 rooms | 510 |
| 6 rooms | 422 |
| 7 rooms | 390 |
| 8 rooms | 173 |
| 9 rooms or more | 315 |
| Median rooms | 4.8 |
| Total housing units | 3,310 |
| No bedroom | 50 |
| 1 bedroom | 369 |
| 2 bedrooms | 1,053 |
| 3 bedrooms | 1,391 |
| 4 bedrooms | 405 |
| 5 or more bedrooms | 42 |
| Occupied housing units | 3,101 |
| Owner-occupied | 1,649 |
| Renter-occupied | 1,452 |
| Average household size of owner-occupied unit | 2.64 |
| Average household size of renter-occupied unit | 2.21 |
| Occupied housing units | 3,101 |
| Moved in 2017 or later | 378 |
| Moved in 2015 to 2016 | 1,131 |
| Moved in 2010 to 2014 | 705 |
| Moved in 2000 to 2009 | 406 |
| Moved in 1990 to 1999 | 212 |
| Moved in 1989 and earlier | 269 |
| Owner-occupied units | 1,649 |
| Less than $50,000 | 30 |
| $50,000 to $99,999 | 77 |
| $100,000 to $149,999 | 410 |
| $150,000 to $199,999 | 476 |
| $200,000 to $299,999 | 606 |
| $300,000 to $499,999 | 35 |
| $500,000 to $999,999 | 15 |
| $1,000,000 or more | 0 |
| Median (dollars) | 175,100 |
| Owner-occupied units | 1,649 |
| Housing units with a mortgage | 1,208 |
| Housing units without a mortgage | 441 |
| Occupied units paying rent | 1,429 |
| Less than $500 | 377 |
| $500 to $999 | 453 |
| $1,000 to $1,499 | 465 |
| $1,500 to $1,999 | 51 |
| $2,000 to $2,499 | 38 |
| $2,500 to $2,999 | 30 |
| $3,000 or more | 15 |
| Median (dollars) | 916 |
| No rent paid | 23 |
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