Delaware election district shapes near Dover
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Election district outlines with their House district and election district numbers, for every district that touches the Dover area (whole shapes, not clipped). Used to work out which election district, and so which polling place, an address belongs to. No other attributes are kept.

Published by: State of Delaware (FirstMap)
Source: https://enterprise.firstmap.delaware.gov/arcgis/rest/services/Boundaries/DE_Political_Boundaries/MapServer/0
License: Facts only (no license needed for the facts)
Credit line: The Delaware General Assembly & Department of Elections, via State of Delaware FirstMap.
Updated: Monthly refresh. Election districts change after redistricting and sometimes between elections.
Covers: Districts in force on the fetch date (fetched_date on each row).
Area: Election districts that touch the Dover, Delaware area in Kent County (longitude -75.72 to -75.38, latitude 39.0 to 39.28).

Legal election district boundaries are facts. FirstMap's license note for this service expects people to share and distribute the data and places no limit on it.

Files
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- election_district_boundaries.csv and election_district_boundaries.json: rded, rd, ed, geometry_json, min_lon, min_lat, max_lon, max_lat, source_url, fetched_date, license_id, license_url, attribution, redistributable

Each file is built from OpenDover's database when you download it. In the CSV files, text that a spreadsheet would
treat as a formula (starting with =, +, @ or -) begins with an apostrophe so it opens as plain text. The JSON files
hold the values exactly.

This copy: 2026-11-08

More: https://opendover.org/data/delaware-election-districts-dover-area/
API: https://api.opendover.org/v1/datasets/delaware-election-districts-dover-area