Demographic and housing estimates in Delaware
Total population| Total population | 949,495 |
| Male | 459,570 |
| Female | 489,925 |
Population by age| Total population | 949,495 |
| Under 5 years | 54,854 |
| 5 to 9 years | 55,166 |
| 10 to 14 years | 58,676 |
| 15 to 19 years | 59,798 |
| 20 to 24 years | 61,022 |
| 25 to 34 years | 126,358 |
| 35 to 44 years | 110,238 |
| 45 to 54 years | 126,453 |
| 55 to 59 years | 68,175 |
| 60 to 64 years | 61,626 |
| 65 to 74 years | 99,666 |
| 75 to 84 years | 49,025 |
| 85 years and over | 18,438 |
| Median age (years) | 40.2 |
| Under 18 years | 203,426 |
| 16 years and over | 769,793 |
| 18 years and over | 746,069 |
| 21 years and over | 707,381 |
| 62 years and over | 203,286 |
| 65 years and over | 167,129 |
Population by race| Total population | 949,495 |
| One race | 923,486 |
| White | 654,905 |
| Black or African American | 209,892 |
| American Indian and Alaska Native | 3,455 |
| Asian | 36,723 |
| Native Hawaiian and Other Pacific Islander | 477 |
| Some other race | 18,034 |
| Two or more races | 26,009 |
Citizen, voting age population| Citizen, VOTING AGE 18 and over population | 704,108 |
| Male Citizen, VOTING AGE 18 and over population | 334,936 |
| Female Citizen, VOTING AGE 18 and over population | 369,172 |
Social characteristics in Delaware
Households by type| Total households | 357,765 |
| Family households (families) | 237,901 |
| Married-couple family | 174,333 |
| Male householder, no wife present, family | 16,416 |
| Female householder, no husband present, family | 47,152 |
| Nonfamily households | 119,864 |
| Average household size | 2.58 |
| Average family size | 3.15 |
Economic characteristics in Delaware
Income and benefits (in 2018 inflation-adjusted dollars)| Total households | 357,765 |
| Less than $10,000 | 19,901 |
| $10,000 to $14,999 | 12,769 |
| $15,000 to $24,999 | 27,906 |
| $25,000 to $34,999 | 32,208 |
| $35,000 to $49,999 | 43,958 |
| $50,000 to $74,999 | 64,668 |
| $75,000 to $99,999 | 50,512 |
| $100,000 to $149,999 | 56,761 |
| $150,000 to $199,999 | 25,568 |
| $200,000 or more | 23,514 |
| Median household income (dollars) | 65,627 |
Housing characteristics in Delaware
Housing occupancy| Total housing units | 428,251 |
| Occupied housing units | 357,765 |
| Vacant housing units | 70,486 |
Units in structure| Total housing units | 428,251 |
| 1-unit, detached | 251,970 |
| 1-unit, attached | 65,736 |
| 2 units | 6,767 |
| 3 or 4 units | 9,508 |
| 5 to 9 units | 15,802 |
| 10 to 19 units | 23,515 |
| 20 or more units | 19,323 |
| Mobile home | 35,356 |
| Boat, RV, van, etc. | 274 |
Year structure built| Total housing units | 428,251 |
| Built 2014 or later | 10,360 |
| Built 2010 to 2013 | 16,602 |
| Built 2000 to 2009 | 80,974 |
| Built 1990 to 1999 | 68,481 |
| Built 1980 to 1989 | 58,609 |
| Built 1970 to 1979 | 51,174 |
| Built 1960 to 1969 | 44,208 |
| Built 1950 to 1959 | 42,815 |
| Built 1940 to 1949 | 19,668 |
| Built 1939 or earlier | 35,360 |
Rooms| Total housing units | 428,251 |
| 1 room | 4,289 |
| 2 rooms | 4,255 |
| 3 rooms | 22,815 |
| 4 rooms | 51,399 |
| 5 rooms | 71,641 |
| 6 rooms | 83,167 |
| 7 rooms | 69,981 |
| 8 rooms | 53,176 |
| 9 rooms or more | 67,528 |
| Median rooms | 6.2 |
Bedrooms| Total housing units | 428,251 |
| No bedroom | 4,849 |
| 1 bedroom | 28,232 |
| 2 bedrooms | 86,273 |
| 3 bedrooms | 194,942 |
| 4 bedrooms | 93,598 |
| 5 or more bedrooms | 20,357 |
Housing tenure| Occupied housing units | 357,765 |
| Owner-occupied | 254,308 |
| Renter-occupied | 103,457 |
| Average household size of owner-occupied unit | 2.61 |
| Average household size of renter-occupied unit | 2.51 |
Year householder moved into unit| Occupied housing units | 357,765 |
| Moved in 2017 or later | 16,232 |
| Moved in 2015 to 2016 | 40,882 |
| Moved in 2010 to 2014 | 94,984 |
| Moved in 2000 to 2009 | 107,223 |
| Moved in 1990 to 1999 | 48,993 |
| Moved in 1989 and earlier | 49,451 |
Value| Owner-occupied units | 254,308 |
| Less than $50,000 | 13,622 |
| $50,000 to $99,999 | 11,573 |
| $100,000 to $149,999 | 22,598 |
| $150,000 to $199,999 | 41,261 |
| $200,000 to $299,999 | 77,886 |
| $300,000 to $499,999 | 67,342 |
| $500,000 to $999,999 | 16,524 |
| $1,000,000 or more | 3,502 |
| Median (dollars) | 244,700 |
Mortgage status| Owner-occupied units | 254,308 |
| Housing units with a mortgage | 167,225 |
| Housing units without a mortgage | 87,083 |
Gross rent| Occupied units paying rent | 98,472 |
| Less than $500 | 7,554 |
| $500 to $999 | 30,443 |
| $1,000 to $1,499 | 42,873 |
| $1,500 to $1,999 | 13,621 |
| $2,000 to $2,499 | 2,595 |
| $2,500 to $2,999 | 763 |
| $3,000 or more | 623 |
| Median (dollars) | 1,110 |
| No rent paid | 4,985 |
Data is based on 2018 Census