Boundary Atlas

Delmar, Maryland

Delmar is a town in Wicomico County, Maryland, with 3,790 residents in 2020. It is in Maryland's 1st congressional district. Its state senate district is State Senate District 38; its state house district is State Legislative Subdistrict 38B.

3,790residents (2020 Census)
1.7 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Wicomico County100%

Congressional district

Congressional districtShare of residents
Maryland's 1st congressional district (MD-01)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MD-01)Andy Harris (R)202-225-5311100%
U.S. SenatorAngela D. Alsobrooks (D)202-224-4524 · contact formstatewide
U.S. SenatorChris Van Hollen (D)202-224-4654 · contact formstatewide
State Senator (State Senate District 38)Mary Beth Carozza (R)100%
Delegate (State Legislative Subdistrict 38B)Barry Beauchamp (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 38100%

State house districtShare of residents
State Legislative Subdistrict 38B100%

ZIP codes

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

Get this in your AI agent

Your agent can get Delmar'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:2422600")

Delmar 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.