Boundary Atlas

ZIP code 39648: McComb, MS

ZIP code 39648 is in McComb (57% of residents), in Pike County, Mississippi. 43% of its residents live outside city limits. It is in Mississippi's 3rd congressional district. Its state senate districts are State Senate District 38 (74%) and State Senate District 39 (26%); its state house districts are State House District 98 (62%), State House District 97 (35%) and State House District 96 (2.8%).

21,831residents (2020 Census)
108.0 sq miland area
4cities and towns
1congressional district
19voting precincts

See it on the mapAll of Mississippi

City and county

City or townShare of ZIP residents
McComb57%
Magnolia0.7%
Fernwood0.5%
Summit0.3%

CountyShare of ZIP residents
Pike County100%

Town or county subdivisionShare of ZIP residents
District 329%
District 126%
District 216%
District 515%
District 414%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3874%
State Senate District 3926%

State house districtShare of ZIP residents
State House District 9862%
State House District 9735%
State House District 962.8%

Voting precincts

19 voting precincts overlap ZIP 39648. 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:39648")

ZIP 39648 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.