Boundary Atlas

La Plata, Maryland

La Plata is a town in Charles County, Maryland, with 10,246 residents in 2020. It is in Maryland's 5th congressional district. Its state senate district is State Senate District 28; its state house district is State Legislative District 28.

10,246residents (2020 Census)
8.0 sq miland area
1ZIP codes
1congressional district

County

CountyShare of residents
Charles County100%

Congressional district

Congressional districtShare of residents
Maryland's 5th congressional district (MD-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MD-05)Steny H. Hoyer (D)202-225-4131100%
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 28)Arthur Ellis (Democratic)100%
Delegate (State Legislative District 28)C.T. Wilson (Democratic)100%
Delegate (State Legislative District 28)Debra Davis (Democratic)100%
Delegate (State Legislative District 28)Edith Patterson (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

State legislative districts

State senate districtShare of residents
State Senate District 28100%

State house districtShare of residents
State Legislative District 28100%

ZIP codes

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

Get this in your AI agent

Your agent can get La Plata'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:2445750")

La Plata 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.