Wilmington is a city in Delaware, with a population of 73,512 and about 6,747 residents per square mile. The median household earns $58,671 a year, and the median home is worth $231,400.
Conditions
Humidity & wind
—
UV index
—
Sunrise & sunset
—
Local time
—
Size & density
Land area
11 sq mi
Water excluded
Population density
6,747
People per square mile
Rank by population
#559
Of cities on this site
Rank by area
#800
Of cities on this site
Money & housing
Median household income
$58,671
US median ≈ $78,538
Median gross rent
$1,224
Per month
Homeownership
48%
US ≈ 65%
Average commute
23.5 min
One way
People
Median age
37
US median 39.1
Bachelor's degree +
33.1%
Age 25 and over
Foreign born
9.6%
Households
31,655
2.19 people each
Climate · 2021–2025 average
Clear days24/yrMostly or fully clear sky
Days with rain157/yr0.01 in or more
Days with snow17/yr
Days above 90°19/yr
Below freezing77/yr
Annual rainfall48.5inInches per year, scaled to 70 in — the rows above count days
Warmest month
July
Average high 87°F
Coldest month
January
Average low 27°F
What people here do for work
Education & health care28.6%
Professional & business services13%
Retail trade9.7%
Finance, insurance & real estate9.6%
Top four industries · share of all workers · ACS 2024
Wealthiest person in Delaware
Name
Elizabeth Snyder
Forbes, Apr 2025
Net worth
$0.8B
As of 25 Apr 2025 — not live
Lives in
Wilmington
Source of wealth
Gore-Tex
Compiled from public reporting, not from an official dataset, and not independently verified.
Largest employer in Delaware · private sector
Employer
ChristianaCare
Sector
Healthcare
Compiled from public reporting, not from an official dataset, and not independently verified. Government employers are excluded.
Largest public company in Delaware
Company
DuPont de Nemours
Revenue
$12.4B
Fiscal year 2024
Headquarters
Wilmington
Ticker
DD
Compiled from public reporting, not from an official dataset, and not independently verified.