State
Delaware
Delaware. Delaware had 1,059,952 residents on July 1, 2025 by the Census Bureau's estimate, up 7.1% since 2020, faster than the United States (+3.1%). 79 places (57 incorporated and 22 census-designated) in 3 counties; 1,949 square miles of land.
Residents, 2025 estimate
1,059,952
Census Bureau estimate (no margin published)
2020 Census count: 989,948
Median household income
$84,954
±$1,251 (90% margin)
Median home value
$352,000
±$2,842 (90% margin)
Median gross rent
$1,401
±$16 (90% margin)
How many people live in Delaware?
The 2020 Census counted 989,948 residents in Delaware. The Census Bureau estimates 1,059,952 for July 1, 2025, up 7.1% since 2020, faster than the United States (+3.1%). 43.1% of residents live in an incorporated place or a census-designated place; the rest live outside any place.
Delaware is the 45th-most populous of the 50 states by the July 2025 estimates (every state ranked).
| Measure | Delaware | Change since 2015-2019 |
|---|---|---|
| Total population | 1,021,191 | +63,943 |
| Households | 402,038 ±1,657 | +38,716 |
| Average household size | 2.48 ±0.01 | −0.09 |
| Housing units | 464,203 ±208 | +31,008 |
Delaware's population since 2000
From 783,600 in 2000 to 1,059,952 in 2025: up 35.3%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025; 2020 Census · Check it at data.census.gov
What are the largest cities in Delaware?
Wilmington is Delaware's largest place with 73,512 residents in 2025, followed by Dover (40,592 residents in 2025) and Newark (30,359 residents in 2025).
| Place | Residents | Median household income |
|---|---|---|
| Wilmington | 73,512 | $58,671 |
| Dover | 40,592 | $60,199 |
| Newark | 30,359 | $76,912 |
| Middletown | 25,798 | $112,831 |
| Bear | 22,370 | $91,687 |
| Glasgow | 15,546 | $113,982 |
| Brookside | 15,115 | $78,328 |
| Milford | 14,723 | $59,464 |
| Hockessin | 13,439 | $171,204 |
| Smyrna | 13,340 | $67,048 |
| Pike Creek Valley | 12,431 | $102,434 |
| Seaford | 9,165 | $54,016 |
| Claymont | 8,786 | $74,712 |
| Georgetown | 8,291 | $49,719 |
| Wilmington Manor | 8,214 | $78,078 |
| Millsboro | 7,890 | $78,707 |
| North Star | 7,834 | $150,733 |
| Pike Creek | 7,129 | $139,635 |
| Edgemoor | 6,349 | $59,424 |
| Elsmere | 6,196 | $67,944 |
| New Castle | 5,726 | $89,205 |
| Laurel | 4,557 | $48,644 |
| Clayton | 4,527 | $107,307 |
| Camden | 4,176 | $63,267 |
| Rising Sun-Lebanon | 4,163 | $113,529 |
Source: PEP Vintage 2025 (SUB-EST2025); American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Census population estimates
What counties are in Delaware?
Delaware has 3 counties. New Castle County is the largest with 588,026 residents in 2025; Kent County is the smallest with 194,786.
Source: PEP Vintage 2025 (CO-EST2025), U.S. Census Bureau · Census population estimates
Who lives in Delaware?
The median resident of Delaware is 41.6 years old; 20.7% are under 18 and 20.6% are 65 or older. The largest group is non-Hispanic white residents at 58.1%, then non-Hispanic Black residents at 21.4%. 10.7% of residents were born outside the United States.
| Measure | Delaware | Change since 2015-2019 |
|---|---|---|
| Median age | 41.6 ±0.2 | +1.0 |
| Under 18 years | 20.7% ±0.1 pts | – |
| 65 years and over | 20.6% ±0.1 pts | – |
| Hispanic or Latino (any race) | 11.0% | +1.8 pts |
| White alone, not Hispanic | 58.1% ±0.1 pts | −4.2 pts |
| Black or African American alone, not Hispanic | 21.4% ±0.2 pts | −0.3 pts |
| Asian alone, not Hispanic | 4.3% ±0.1 pts | +0.5 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.1% ±0.1 pts | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.1 pts | – |
| Two or more races, not Hispanic | 4.5% ±0.2 pts | – |
| Some other race alone, not Hispanic | 0.5% ±0.1 pts | – |
| Born outside the United States | 10.7% ±0.3 pts | +1.1 pts |
| Speak a language other than English at home (age 5+) | 15.1% ±0.4 pts | – |
| Civilian veterans (age 18+) | 7.4% ±0.2 pts | – |
| With a disability | 14.1% ±0.3 pts | – |
| No health insurance coverage | 6.3% ±0.4 pts | +0.6 pts |
| High school graduate or higher (age 25+) | 91.7% ±0.3 pts | – |
| Bachelor's degree or higher (age 25+) | 35.8% ±0.6 pts | +3.8 pts |
| Graduate or professional degree (age 25+) | 15.3% ±0.4 pts | – |
| Moved from another state in the past year | 3.9% ±0.2 pts | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (DP02, DP05) · Check it at data.census.gov
What do households in Delaware earn?
Half of Delaware's 402,038 households earn less than $84,954 a year (±$1,251). In 2015-2019 it was $84,040 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.4% of residents live below the poverty line.
| Measure | Delaware | Change since 2015-2019 |
|---|---|---|
| Median household income | $84,954 ±$1,251 | no clear change |
| Mean household income | $112,616 ±$1,233 | – |
| Per capita income | $45,375 ±$459 | +$1,747 |
| People below the poverty line | 10.4% ±0.4 pts | −1.4 pts |
| Children under 18 below the poverty line | 15.0% ±1.1 pts | −2.5 pts |
| Households receiving SNAP | 10.7% ±0.4 pts | – |
| Households with a broadband subscription | 92.4% ±0.4 pts | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (DP03) · Check it at data.census.gov
What does housing cost in Delaware?
Owners occupy 73.0% of Delaware's occupied homes and renters 27.0%. The median owner-occupied home is valued at $352,000 by its owner (±$2,842). The median renter pays $1,401 a month including utilities, and 40.3% of renters pay 35% or more of their income on rent.
| Measure | Delaware | Change since 2015-2019 |
|---|---|---|
| Median home value (owner-occupied) | $352,000 ±$2,842 | +$42,973 |
| Median gross rent | $1,401 ±$16 | no clear change |
| Renters paying 35% or more of income on rent | 40.3% ±1.6 pts | no clear change |
| Median monthly owner costs, with a mortgage | $1,816 ±$16 | – |
| Owner-occupied homes | 73.0% ±0.6 pts | +1.8 pts |
| Housing units | 464,203 ±208 | +31,008 |
| Homeowner vacancy rate | 0.8% ±0.1 pts | – |
| Rental vacancy rate | 5.0% ±0.7 pts | – |
| Single-family detached homes | 59.1% ±0.6 pts | – |
| Mobile homes | 7.0% ±0.3 pts | – |
| Built 2020 or later | 3.1% ±0.2 pts | – |
| Built 1939 or earlier | 8.0% ±0.4 pts | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (DP04) · Check it at data.census.gov
How many new homes is Delaware building?
Builders took permits for 6,468 new housing units in Delaware in 2025 (5,422 single-family), 6.1 per 1,000 residents.
Source: Building Permits Survey, annual county files summed by state, U.S. Census Bureau · Census Building Permits Survey
How do people in Delaware get to work?
71.7% of Delaware's workers drive alone and 15.0% work from home. The average trip to work takes 26.0 minutes. The unemployment rate in 2020-2024 averaged 5.1%.
| Measure | Delaware | Change since 2015-2019 |
|---|---|---|
| In the labor force (age 16+) | 62.1% ±0.4 pts | – |
| Unemployment rate | 5.1% ±0.3 pts | no clear change |
| Drove alone to work | 71.7% ±0.6 pts | – |
| Carpooled | 7.8% ±0.4 pts | – |
| Public transportation | 1.8% ±0.2 pts | – |
| Walked | 2.0% ±0.2 pts | – |
| Worked from home | 15.0% ±0.4 pts | +10.0 pts |
| Mean travel time to work | 26.0 min ±0.3 | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (DP03) · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections