Boundary Atlas

ZIP code 29832: Johnston, SC

ZIP code 29832 is in Johnston (43% of residents), in Edgefield County (82%), Saluda County (17%) and Aiken County (0.4%), South Carolina. 57% of its residents live outside city limits. It is in South Carolina's 3rd congressional district (100%) and South Carolina's 2nd congressional district (0.4%). Its state senate districts are State Senate District 25 (100%) and State Senate District 40 (0.4%); its state house districts are State House District 82 (99%), State House District 86 (0.4%) and State House District 39 (0.3%).

4,672residents (2020 Census)
94.6 sq miland area
1cities and towns
2congressional districts
8voting precincts

See it on the mapAll of South Carolina

City and county

City or townShare of ZIP residents
Johnston43%

CountyShare of ZIP residents
Edgefield County82%
Saluda County17%
Aiken County0.4%

Town or county subdivisionShare of ZIP residents
Johnston CCD76%
Saluda CCD10%
Ridge Spring CCD7.0%
Edgefield CCD6.3%
Monetta CCD0.4%

Congressional districts

Congressional districtShare of ZIP residents
South Carolina's 3rd congressional district (SC-03)100%
South Carolina's 2nd congressional district (SC-02)0.4%

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.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (SC-03)Sheri Biggs (R)202-225-5301100%
U.S. Representative (SC-02)Joe Wilson (R)202-225-24520.4%
U.S. SenatorDarline Graham (R)202-224-5972statewide
U.S. SenatorTim Scott (R)202-224-6121 · contact formstatewide
State Senator (State Senate District 25)Shane Massey (R)100%
State Senator (State Senate District 40)Brad Hutto (Democratic)0.4%
State Representative (State House District 82)Bill Clyburn (Democratic)99%
State Representative (State House District 86)Bill Taylor (R)0.4%
State Representative (State House District 39)Cal Forrest (R)0.3%

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 25100%
State Senate District 400.4%

State house districtShare of ZIP residents
State House District 8299%
State House District 860.4%
State House District 390.3%

Voting precincts

8 voting precincts overlap ZIP 29832. 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:29832")

ZIP 29832 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.