Brookside, Delaware
Brookside is a Census-designated place (an unincorporated community) in New Castle County, Delaware, with 14,974 residents in 2020. It is in Delaware's at-large congressional district. It spans 2 state senate districts. Its state house district is State Representative District 24.
County
| County | Share of residents |
|---|---|
| New Castle County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Delaware's at-large congressional district (DE-AL) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (DE-AL) | Sarah McBride (D) | 202-225-4165 | 100% |
| U.S. Senator | Christopher A. Coons (D) | 202-224-5042 · contact form | statewide |
| U.S. Senator | Lisa Blunt Rochester (D) | 202-224-2441 | statewide |
| State Senator (State Senate District 9) | Jack Walsh (Democratic) | 62% | |
| State Senator (State Senate District 11) | Bryan Townsend (Democratic) | 38% | |
| State Representative (State Representative District 24) | Ed Osienski (Democratic) | 100% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Brookside laws: search for the Brookside, Delaware code of ordinances
- New Castle County website: https://www.newcastlede.gov
- New Castle County laws: search for the New Castle County, Delaware code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 9 | 62% |
| State Senate District 11 | 38% |
| State house district | Share of residents |
|---|---|
| State Representative District 24 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Brookside: the share of that ZIP's residents living in it.
- 19713 (47%)
Get this in your AI agent
Your agent can get Brookside's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:1009850")
Brookside here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.