Boundary Atlas

Biloxi, Mississippi

Biloxi is a city in Harrison County, Mississippi, with 49,449 residents in 2020. It is in Mississippi's 4th congressional district. It spans 3 state senate and 3 state house districts.

49,449residents (2020 Census)
42.9 sq miland area
4ZIP codes
1congressional district

County

CountyShare of residents
Harrison County100%

Congressional district

Congressional districtShare of residents
Mississippi's 4th congressional district (MS-04)100%

Elected officials

OfficeMemberContactShare of residents
MayorAndrew Gilichcitywide
U.S. Representative (MS-04)Mike Ezell (R)202-225-5772100%
U.S. SenatorCindy Hyde-Smith (R)202-224-5054 · contact formstatewide
U.S. SenatorRoger F. Wicker (R)202-224-6253 · contact formstatewide
State Senator (State Senate District 50)Scott DeLano (R)72%
State Senator (State Senate District 49)Joel Carter (R)27%
State Senator (State Senate District 47)Mike Seymour (R)1.0%
State Representative (State House District 117)Kevin Felsher (R)47%
State Representative (State House District 115)Zack Grady (R)37%
State Representative (State House District 116)Casey Eure (R)16%

From Wikidata (community-maintained); confirm on the city's website.

Elected under MS's previous legislative map; the district's lines changed for 2026.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of residents
State Senate District 5072%
State Senate District 4927%
State Senate District 471.0%

State house districtShare of residents
State House District 11747%
State House District 11537%
State House District 11616%

ZIP codes

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

Get this in your AI agent

Your agent can get Biloxi'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:2806220")

Biloxi 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.