Boundary Atlas

Mississippi's 3rd congressional district (MS-03)

Mississippi's 3rd congressional district (MS-03) covers parts or all of 23 counties, including Clarke County, Covington County, Jasper County, Jefferson Davis County, Kemper County and Lauderdale County, and 127 ZIP codes (80 wholly inside it). Its 2020 population was 740,320. This is the map in force for the November 3, 2026 election.

740,320residents (2020 Census)
23counties
127ZIP codes
503voting precincts

Who represents MS-03

OfficeMemberContact
U.S. Representative (MS-03)Michael Guest (R)202-225-5031
U.S. SenatorCindy Hyde-Smith (R)202-224-5054 · contact form
U.S. SenatorRoger F. Wicker (R)202-224-6253 · contact form

Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).

Counties

CountyShare of the county's residents in MS-03
Clarke County100%
Covington County100%
Jasper County100%
Jefferson Davis County100%
Kemper County100%
Lauderdale County100%
Lawrence County100%
Lincoln County100%
Marion County100%
Neshoba County100%
Newton County100%
Noxubee County100%
Pike County100%
Rankin County100%
Scott County100%
Simpson County100%
Smith County100%
Walthall County100%
Winston County100%
Oktibbeha County94%
Madison County77%
Jones County16%
Hinds County10%

ZIP codes

Percentages mark ZIPs only partly in MS-03: the share of that ZIP's residents inside it.

Towns

District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 1, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2, District 2 and District 2 and others.

Get this in your AI agent

Your agent can draw every precinct in MS-03, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

get_boundaries(id="us:congressional_district:2803", children_level="precinct", include_districts=True)