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Wilmington

Delawarecity

Photograph of Wilmington
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Wilmington

Total population

73,173

Air quality index

64Moderate
Weather67°F · Partly Cloudy
Coordinates39.74°, -75.53°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Overview

Wilmington is the most populous city in the U.S. state of Delaware. It lies at the confluence of the Christina River and Brandywine Creek, near where the Christina flows into the Delaware River. The population was 70,898 at the 2020 census. It is the county seat of New Castle County and one of the major cities near the Delaware Valley metropolitan area.

Read more on Wikipedia

History & geography

Demographics & economy

Geography

Latitude
39.7357
Longitude
-75.5321
Water area
6.29 mi²
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Avg high
65.1°F
Avg low
48.8°F
Annual precipitation
51.7 in

10-year averages from ERA5 reanalysis (Open-Meteo).

Current forecast

Tonight
67°F
Partly Cloudy
Sunday
90°F
Partly Sunny then Chance Showers And Thunderstorms
Sunday Night
64°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Monday
79°F
Mostly Sunny
Monday Night
60°F
Partly Cloudy
Tuesday
79°F
Mostly Sunny

Forecast for Wilmington, DE from NOAA NWS API.

Air quality

US AQI — Moderate
64
PM2.5 (µg/m³)
7.7
PM10 (µg/m³)
7.9
Ozone (µg/m³)
93
NO₂ (µg/m³)
11.6

Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).

Industrial & pollution facilities

Natural hazard risk

Health (adults)

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
1,291,582
Distinct species (top 10)
10

Most-observed species

  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    47,000
  • American Robin
    Turdus migratorius Linnaeus, 1766 · Aves
    42,697
  • Carolina Wren
    Thryothorus ludovicianus (Latham, 1790) · Aves
    38,744
  • Blue Jay
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    38,629
  • Song Sparrow
    Melospiza melodia (A.Wilson, 1810) · Aves
    37,457
  • Mourning Dove
    Zenaida macroura (Linnaeus, 1758) · Aves
    37,451
  • Red-bellied Woodpecker
    Melanerpes carolinus (Linnaeus, 1758) · Aves
    32,909
  • House Finch
    Haemorhous mexicanus (P.L.Statius Müller, 1776) · Aves
    31,340

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Total
82
Elementary
41
Middle
11
High
16
Other
14

Largest nearby schools

  • Penn (William) High School
    High · New Castle · 2,239 students · 18.1:1 ratio
  • Odyssey Charter School
    Other · Wilmington · 2,123 students · 13:1 ratio
  • Delcastle Technical High School
    High · Wilmington · 1,585 students · 12.4:1 ratio
  • Las Americas ASPIRA Academy
    Other · Newark · 1,341 students · 15.2:1 ratio
  • Christiana High School
    High · Newark · 1,256 students · 14.6:1 ratio
  • Conrad Schools of Science
    High · Wilmington · 1,169 students · 18:1 ratio
  • Mount Pleasant High School
    High · Wilmington · 1,107 students · 14.4:1 ratio
  • Dickinson (John) School
    High · Wilmington · 1,058 students · 16.5:1 ratio

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
4
Largest magnitude
4.1
Largest event
2017-11-30

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

George R. Riddle
George R. Riddle
American politician (1817–1867)
W
Walter W. Bacon
American politician (1880-1962)
George Gray
George Gray
American lawyer, judge, and politician from Delaware (1840-1925)
Vinnie Moore
Vinnie Moore
American guitarist
Ryan Phillippe
Ryan Phillippe
American actor
John Forsythe
John Forsythe
American film and television actor (1918–2010)
Thomas Holcomb
Thomas Holcomb
Commandant of the Marine Corps (1879–1965)
Thomas McKean Thompson McKennan
Thomas McKean Thompson McKennan
American politician (1794-1852)
Henry Latimer
Henry Latimer
American politician (1752-1819)
Anthony Higgins
Anthony Higgins
American politician (1840-1912)
Robert Montgomery Bird
Robert Montgomery Bird
American novelist, playwright, physician (1806–1854)
Jim Thompson
Jim Thompson
American fashion designer
C. Douglass Buck
C. Douglass Buck
American politician (1890–1965)
George Ross
George Ross
Signer of the United States Declaration of Independence 1730-1779
Don Bragg
Don Bragg
American athletics competitor (1935–2019)
Thomas Stockton
Thomas Stockton
American politician (1781-1846)

People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.

Nearby places in Delaware

Browse all places in Delaware →

Geography & sun

Nearby airports

Public attention

Books about this place

Recent natural events nearby

Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).

Ground air-quality sensors

Recently spotted species

Monarch
Monarch
Danaus plexippus
Seen 2026-06-13
Red Admiral
Red Admiral
Vanessa atalanta
Seen 2026-06-13
Common Box Turtle
Common Box Turtle
Terrapene carolina
Seen 2026-06-13
Eastern Gray Squirrel
Eastern Gray Squirrel
Sciurus carolinensis
Seen 2026-06-13
Speckled Renia Moth
Speckled Renia Moth
Renia adspergillus
Seen 2026-06-13
winged euonymus
winged euonymus
Euonymus alatus
Seen 2026-06-12
Eastern Box Turtle
Eastern Box Turtle
Terrapene carolina carolina
Seen 2026-06-12
American Toad
American Toad
Anaxyrus americanus
Seen 2026-06-12
Flat-tailed Leafcutter Bee
Flat-tailed Leafcutter Bee
Megachile mendica
Seen 2026-06-12

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Site
CHRISTINA RIVER AT WILMINGTON, DE
Distance
0.5 mi
Gage height
3.2 ft
Water temp
25.2 °C

Live readings from USGS NWIS · measured 2026-06-13 20:36 UTC.

Events

Notable, recurring, and historical events associated with Wilmington, sourced from Wikidata.

Source: Wikidata (CC0).

Gallery

Geotagged photos within ~6 miles of Wilmington, from Wikimedia Commons contributors.

Daptrius chimachima 593263749 — Wilmington, United States0.3 miDaptrius chimachima 593263766 — Wilmington, United States0.3 miDaptrius chimachima 593263785 — Wilmington, United States0.3 miDaptrius chimachima 593263859 — Wilmington, United States0.3 miDaptrius chimachima 593263877 — Wilmington, United States0.3 miDaptrius chimachima 593263942 — Wilmington, United States0.3 miDaptrius chimachima 593263909 — Wilmington, United States0.3 miDaptrius chimachima 593263960 — Wilmington, United States0.3 miDaptrius chimachima 593263987 — Wilmington, United States0.3 miDaptrius chimachima 593264005 — Wilmington, United States0.3 miDaptrius chimachima 593264090 — Wilmington, United States0.3 miFort Christina Park — Wilmington, United States0.4 miFORT CHRISTIANA, WILMINGTON, NEW CASTLE COUNTY, DELAWARE — Wilmington, United States0.4 miLOG CABIN AT FORT CHRISTIANA, NEW CASTLE COUNTY, DELAWARE — Wilmington, United States0.4 miCarl Miles monument, Christina Park, Wilmington, Delaware (66679) — Wilmington, United States0.4 miPhiladelphia - panoramio (3) — Wilmington, United States0.4 miWilmington DE IMG 2346 Brandywine Creek — Wilmington, United States0.4 miWilmington DE IMG 2347 Brandywine Creek — Wilmington, United States0.4 miSwedes' Landing, Wilmington, Del–postcard–early 20th century — Wilmington, United States0.4 mi2022-07-25 10 21 19 View north along U.S. Route 13 and Delaware State Route 9 (South Heald Street-East 4th Street) at Delaware State Route 9A (Christiana Avenue) in Wilmington, New Castle County, Delaware — Wilmington, United States0.4 mi2025-09-15 15 55 34 Aerial view northwestward centered on the border of New Castle County, Delaware and Chester County, Pennsylvania from an aircraft heading for Newark Liberty International Airport — Wilmington, United States0.4 miOld Swedes Front — Wilmington, United States0.5 miIron Letters Old Swedes — Wilmington, United States0.5 miOld Swedes North East — Wilmington, United States0.5 mi

Photos via Wikimedia Commons — see each image page for license & attribution.

Sources

  • • Wikipedia
  • • Open-Meteo (ERA5 reanalysis)
  • • NOAA National Weather Service
  • • Wikimedia Commons
  • • Wikidata
  • • Open-Meteo Air Quality (CAMS)
  • • USGS Earthquake Catalog (global feed)
  • • USGS NWIS (water data)
  • • NCES via Urban Institute Education Data Portal
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • NASA EONET