Who serves in the Delaware Senate?

Current members. Traceable sources.

This is a dated current-member snapshot. Membership follows the active term identified by the official chamber directory. A candidate list or vote lead does not establish a serving member. This view does not refresh automatically.

The active official Delaware House and Senate member directories and their roster API responses were checked November 5, 2026 (America/Chicago). The rosters already include members elected in November 2026. Delaware Constitution Article II, section 3(e), starts legislative terms on the day after election; the January meeting date does not delay the start of their terms. No member is inferred from a candidate list or vote lead.

The House API identifies 41 serving representatives: 30 with D and 11 with R. The Senate API identifies 21 serving senators. No district is inferred vacant from a missing record; the complete directories identify a named member for every district.

Senate District 15 has contradictory official affiliation records. The current legislative directory lists serving Senator Emily A. Thompson with D and a Senate Democrats profile link; the Department of Elections official 2026 list identifies the same district and name as Republican. These sources do not reconcile her current affiliation. This snapshot preserves the serving identity, retains both source labels, and uses a neutral Affiliation under review category, not a vacancy or an assigned party. The other Senate records contain 15 D and 5 R.

The legal map authority is the final revised March 2022 state House and Senate plans authorized by House Bill 335, linked from the General Assembly final district pages. The revised cleanup files are used instead of the earlier October 2021 files. These are state legislative districts, separate from congressional geography.

Small-scale thematic display uses U.S. Census Bureau 2024 1:500,000 shore-clipped cartographic districts. Every district identifier and display interior point is checked against its corresponding revised official legal polygon. Every source ring, hole and coastal component is retained.

These records describe representation. No district demographic estimates, state ACS values, GIS political attributes, ZIP findings or ZCTA findings are inferred.

Colors follow the current official chamber roster, except Senate District 15: Emily A. Thompson is shown neutrally as Affiliation under review because the legislative directory and official election affiliation records conflict. She is a serving member, not a vacancy. The other Senate affiliations are 15 D and 5 R; the House is 30 D and 11 R.

Legal authority: Delaware General Assembly final revised March 2022 House and Senate plans authorized by HB 335. Display: Census 2024 1:500,000 shore-clipped cartographic state legislative districts. All 62 district IDs and interior display points are checked against their matching revised legal polygons; every source ring and coastal component is retained. This map is not an address-level district determination service.

Official roster sources

• Official House current district directory ↗
• Official House current-member table (loads the roster endpoint) ↗
• Official Senate current district directory ↗
• Official Senate current-member table (loads the roster endpoint) ↗
• Delaware Constitution Article II, section 3(e): legislative terms ↗
• Department of Elections official 2026 candidate affiliations — SD15 conflict evidence ↗

District boundary sources

• General Assembly final revised 2022 House districts ↗
• General Assembly final revised 2022 Senate districts ↗
• House Bill 335 — March 2022 district cleanup authority ↗
• Revised March 2022 legal House shapefile ↗
• Revised March 2022 legal Senate shapefile ↗
• U.S. Census Bureau 2024 House cartographic districts, 1:500,000 ↗
• U.S. Census Bureau 2024 Senate cartographic districts, 1:500,000 ↗

These maps describe representation. The 2024 ACS State Demographics authority remains statewide; no district, ZIP, or ZCTA demographic findings are inferred.

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