Boundary Atlas

ZIP code 39666: District 4, MS

ZIP code 39666 is in Summit (14% of residents), in Pike County (84%), Amite County (11%) and Lincoln County (5.2%), Mississippi. 86% of its residents live outside city limits. It is in Mississippi's 3rd congressional district (89%) and Mississippi's 2nd congressional district (11%). Its state senate districts are State Senate District 39 (75%) and State Senate District 38 (25%); its state house districts are State House District 97 (52%), State House District 53 (28%), State House District 98 (17%) and State House District 96 (3.0%).

10,467residents (2020 Census)
163.5 sq miland area
2cities and towns
2congressional districts
18voting precincts

See it on the mapAll of Mississippi

City and county

City or townShare of ZIP residents
Summit14%
McComb0.3%

CountyShare of ZIP residents
Pike County84%
Amite County11%
Lincoln County5.2%

Town or county subdivisionShare of ZIP residents
District 460%
District 312%
District 411%
District 18.5%
District 43.9%
District 53.8%
District 31.3%
District 2land only

Congressional districts

Congressional districtShare of ZIP residents
Mississippi's 3rd congressional district (MS-03)89%
Mississippi's 2nd congressional district (MS-02)11%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3975%
State Senate District 3825%

State house districtShare of ZIP residents
State House District 9752%
State House District 5328%
State House District 9817%
State House District 963.0%

Voting precincts

18 voting precincts overlap ZIP 39666. 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:39666")

ZIP 39666 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.