Delaware County Map & State Guide

Delaware has 3 counties. Use the labeled map below to find county boundaries and names. This state hub brings together county geography and our published Delaware guides.

StateCapitalCounty-level areas
DelawareDover3 counties

Delaware County Map

Delaware county map showing all 3 county-level areas and their names
U.S. Census Bureau TIGERweb county boundaries, January 1, 2026 vintage. Colors distinguish areas; they do not represent population.

Delaware State Articles

County Names

  • Kent County
  • New Castle County
  • Sussex County

Boundary source: U.S. Census Bureau TIGERweb, January 1, 2026 vintage. This generalized map is for geographic reference. Browse all state maps.