Boundary Atlas

ZIP code 29628: Calhoun Falls, SC

ZIP code 29628 is in Calhoun Falls (70% of residents), in Abbeville County (97%) and McCormick County (3.0%), South Carolina. 30% of its residents live outside city limits. It is in South Carolina's 3rd congressional district. Its state senate districts are State Senate District 4 (97%) and State Senate District 25 (3.0%); its state house districts are State House District 11 (97%) and State House District 12 (3.0%).

2,454residents (2020 Census)
71.2 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of South Carolina

City and county

City or townShare of ZIP residents
Calhoun Falls70%

CountyShare of ZIP residents
Abbeville County97%
McCormick County3.0%

Town or county subdivisionShare of ZIP residents
Calhoun Falls CCD96%
Mount Carmel CCD3.0%
Abbeville CCD0.9%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 497%
State Senate District 253.0%

State house districtShare of ZIP residents
State House District 1197%
State House District 123.0%

Voting precincts

4 voting precincts overlap ZIP 29628. 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:29628")

ZIP 29628 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.