Boundary Atlas

ZIP code 39345: Newton, MS

ZIP code 39345 is in Newton (54% of residents), in Newton County (96%) and Jasper County (3.9%), Mississippi. 46% of its residents live outside city limits. It is in Mississippi's 3rd congressional district. Its state senate districts are State Senate District 31 (96%) and State Senate District 34 (3.9%); its state house districts are State House District 84 (67%), State House District 81 (27%) and State House District 78 (6.2%).

5,898residents (2020 Census)
140.9 sq miland area
1cities and towns
1congressional district
9voting precincts

See it on the mapAll of Mississippi

City and county

City or townShare of ZIP residents
Newton54%

CountyShare of ZIP residents
Newton County96%
Jasper County3.9%

Town or county subdivisionShare of ZIP residents
District 533%
District 132%
District 431%
District 23.2%
District 30.7%
District 30.3%

Congressional district

Congressional districtShare of ZIP residents
Mississippi's 3rd congressional district (MS-03)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MS-03)Michael Guest (R)202-225-5031100%
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 31)Tyler McCaughn (R)96%
State Representative (State House District 84)Troy Smith (R)67%
State Representative (State House District 81)Steve Horne (R)27%
State Representative (State House District 78)Randy Rushing (R)6.2%

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).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3196%
State Senate District 343.9%

State house districtShare of ZIP residents
State House District 8467%
State House District 8127%
State House District 786.2%

Voting precincts

9 voting precincts overlap ZIP 39345. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:39345")

ZIP 39345 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.