County data explorer
Delaware county data and maps
Explore available county datasets, rankings and source notes.
Published topics
Rankings
Rankings describe published ACS estimates; follow each link for vintage and limitations.
Find a county
Links open county overviews where available and otherwise existing housing pages. The full alphabetical list works without JavaScript.
- Kent County GEOID 10001
- New Castle County GEOID 10003
- Sussex County GEOID 10005
Sources and limitations
Topic pages identify their sources, vintages, downloads and limitations. ACS estimates include survey uncertainty; crime counts are not population-normalized and do not establish safety or risk. PEP and ACS are distinct population series.