Geography Quiz.io

Interactive map

Delaware Map

Every county, city and town in Delaware on one zoomable map, with interstates, US highways, rivers and lakes. Switch on towns and counties above the map and zoom in for every name; tap a county to see its seat, population and largest towns.

Map layers

Loading the map…

Printable maps of Delaware

Free to print for class and home: Delaware with its cities and towns, a county map with every county and county seat, and a blank outline map. PDFs fit one A4 or US Letter page.

Delaware map with cities

PDF (A4)PDF (Letter)PNG image

Delaware county map

PDF (A4)PDF (Letter)PNG image

Blank map of Delaware

PDFPNG image

About Delaware

Delaware has 3 counties, 10 cities, 44 towns, 3 villages and 22 Census-designated communities, and about 1,059,952 people (2025 estimate) on 5,047 km² (1,949 sq mi) of land. The capital is Dover; the largest city is Wilmington, with 73,512 people. It borders Maryland, New Jersey and Pennsylvania.

New Castle County is the most populous county (588,026 people) and Kent County the least (194,786); Sussex County is the largest by land area (2,425 km²) and New Castle County the smallest (1,104 km²).

Largest cities in Delaware

The 25 most populous cities and towns. All 79 are on the map above: switch on Towns and zoom in to see them.

#CityCountyPopulation
1WilmingtonNew Castle County73,512
2DoverKent County40,592
3NewarkNew Castle County30,359
4MiddletownNew Castle County25,798
5BearNew Castle County23,060*
6GlasgowNew Castle County15,288*
7BrooksideNew Castle County14,974*
8MilfordSussex County14,723
9HockessinNew Castle County13,478*
10SmyrnaKent County13,340
11Pike Creek ValleyNew Castle County11,692*
12ClaymontNew Castle County9,895*
13SeafordSussex County9,165
14GeorgetownSussex County8,291
15Wilmington ManorNew Castle County8,162*
16North StarNew Castle County8,056*
17MillsboroSussex County7,890
18Pike CreekNew Castle County7,808*
19EdgemoorNew Castle County6,635*
20ElsmereNew Castle County6,196
21New CastleNew Castle County5,726
22LaurelSussex County4,557
23ClaytonKent County4,527
24CamdenKent County4,176
25Rising Sun-LebanonKent County4,104*

Populations are US Census Bureau estimates for July 2025, within city or town limits; * Census-designated communities, which have no local government or estimate, show their 2020 Census count.

Counties of Delaware

All 3 counties with their county seats. Select one to show it on the map.

Counties of Delaware. Select a column heading to sort; select a name to show it on the map.
Dover194,7861,518
Wilmington588,0261,104
Georgetown277,1402,425

Practise US geography

Find US States on the MapClick each state we nameUS State Capitals QuizAll 50 capitalsUS States Map WorksheetsFree printable blank and labelled US maps

Sources

  • Counties, state borders, city and town locations and highways: US Census Bureau cartographic boundary files, Gazetteer files and TIGER/Line roads (2023).
  • Populations: US Census Bureau Population Estimates, Vintage 2025; Census-designated communities: 2020 Census.
  • County seats and founding years: National Association of Counties (NACo) County Explorer.