Delaware · Census place 1077580
Wilmington, Delaware
Wilmington is a city in New Castle County, Delaware with an estimated 73,176 residents on July 1, 2024. It is the largest of 33 incorporated places of 1,000+ people in the state.
- Population 2024
- 73,176
- #1 of 33 in Delaware
- Change since 2020
- +3.3%
- +2,334 people
- Land area
- 10.9 sq mi
- + 6.30 sq mi water
- Density
- 6,713 / sq mi
- State median 1,762
Measure from here
Tools and pages that start from Wilmington
Wilmington population, 2020 to 2024
Wilmington added 2,334 residents from July 2020 to July 2024, a change of +3.3%. In the latest year it moved by +1,050. Among 11 Delaware places of 5,000 or more, that growth ranks 6th; the median place changed by +3.3%. The median place of 5,000+ in Delaware has 13,326 people, so Wilmington is 5.5 times that size.
Wilmington covers 10.90 square miles of land and 6.30 of water, for 6,713 people per square mile of land. The median Delaware place of 5,000+ has 1,762, so Wilmington is denser than the typical town.
What county Wilmington is in
All of Wilmington's residents live in New Castle County, which had 588,093 residents in 2024. Wilmington holds 12.4% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Wilmington
5 ZIP Code Tabulation Areas (ZCTAs) overlap Wilmington by at least 10% of the ZCTA's or the city's land: 19801, 19802, 19805, 19806, 19809. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.
Where Wilmington is
The Census internal point of Wilmington is at 39.735700, -75.532100. Dover, the capital, is 40.0 miles S in a straight line. The nearest larger place is Philadelphia, PA (1,573,916 people), 28.4 miles away.
Internal point
- Decimal
- 39.735700, -75.532100
- DMS
- 39°44'8.52"N 75°31'55.56"W
- UTM
- 18N 454405.4E 4398558.5N
- Geohash
- dr4611xjn
- Plus code
- 87F6PFP9+75
Daylight in Wilmington
At 39.74° N, Wilmington gets about 14 h 59 min of daylight around the June solstice and 9 h 21 min around the December solstice, a swing of 5 h 38 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.
Places near Wilmington
The eight nearest incorporated places of 1,000+ in Delaware, measured between internal points. The closest is Bellefonte, 2.8 miles away, with 1,249 people.
Questions people ask
What is the population of Wilmington, DE?
73,176 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 2,334 (3.3%) from 70,842 in July 2020.
What county is Wilmington in?
New Castle County. All of its residents live in that county.
What ZIP codes cover Wilmington?
5 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 19801, 19802, 19805, 19806, 19809.
How far is Wilmington from Dover?
40.0 miles (64.4 km) in a straight line, heading S from Wilmington.
What is the nearest larger city to Wilmington?
Philadelphia, PA, with 1,573,916 residents, 28.4 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.