Boundary Atlas

Millsboro, Delaware

Millsboro is a town in Sussex County, Delaware, with 6,863 residents in 2020. It is in Delaware's at-large congressional district. It spans 3 state senate districts. Its state house district is State Representative District 41.

6,863residents (2020 Census)
5.1 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Sussex County100%

Congressional district

Congressional districtShare of residents
Delaware's at-large congressional district (DE-AL)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (DE-AL)Sarah McBride (D)202-225-4165100%
U.S. SenatorChristopher A. Coons (D)202-224-5042 · contact formstatewide
U.S. SenatorLisa Blunt Rochester (D)202-224-2441statewide
State Senator (State Senate District 20)Gerald Hocker (R)62%
State Senator (State Senate District 19)Brian Pettyjohn (R)33%
State Senator (State Senate District 21)Bryant Richardson (R)4.8%
State Representative (State Representative District 41)Rich Collins (R)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

State legislative districts

State senate districtShare of residents
State Senate District 2062%
State Senate District 1933%
State Senate District 214.8%

State house districtShare of residents
State Representative District 41100%

ZIP codes

Percentages mark ZIPs only partly in Millsboro: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Millsboro's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:place:1047940")

Millsboro here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.