Boundary Atlas

ZIP code 28675: Sparta, NC

ZIP code 28675 is in Sparta (30% of residents), in Alleghany County (100%), Wilkes County (0.1%) and Grayson County (0.1%), North Carolina. 70% of its residents live outside city limits. It is in North Carolina's 5th congressional district (100%) and Virginia's 9th congressional district (0.1%). Its state senate districts are State Senate District 47 (100%), State Senate District 36 (0.1%) and State Senate District 7 (0.1%); its state house districts are State House District 93 (100%), State House District 90 (0.1%) and House of Delegates District 46 (0.1%).

6,138residents (2020 Census)
107.4 sq miland area
1cities and towns
2congressional districts
7voting precincts

See it on the mapAll of North Carolina

City and county

City or townShare of ZIP residents
Sparta30%

CountyShare of ZIP residents
Alleghany County100%
Wilkes County0.1%
Grayson County0.1%

Town or county subdivisionShare of ZIP residents
Gap Civil township67%
Whitehead township16%
Cherry Lane township4.8%
Prathers Creek township4.7%
Piney Creek township4.3%
Glade Creek township2.9%
Walnut Grove township0.1%
Old Town district<0.1%
Elk Creek district<0.1%

Congressional districts

Congressional districtShare of ZIP residents
North Carolina's 5th congressional district (NC-05)100%
Virginia's 9th congressional district (VA-09)0.1%

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 47100%
State Senate District 360.1%
State Senate District 70.1%

State house districtShare of ZIP residents
State House District 93100%
State House District 900.1%
House of Delegates District 460.1%

Voting precincts

7 voting precincts overlap ZIP 28675. It also crosses into VA. 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:28675")

ZIP 28675 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.