Boundary Atlas

ZIP code 37686: District 5, TN

ZIP code 37686 is in Johnson City (11% of residents) and Bluff City (1.8%), in Sullivan County (99%) and Washington County (1.2%), Tennessee. 87% of its residents live outside city limits. It is in Tennessee's 1st congressional district. Its state senate districts are State Senate District 4 (99%) and State Senate District 3 (1.2%); its state house districts are State House District 3 (90%), State House District 2 (8.9%) and State House District 6 (1.2%).

8,207residents (2020 Census)
29.5 sq miland area
2cities and towns
1congressional district
5voting precincts

See it on the mapAll of Tennessee

City and county

City or townShare of ZIP residents
Johnson City11%
Bluff City1.8%

CountyShare of ZIP residents
Sullivan County99%
Washington County1.2%

Town or county subdivisionShare of ZIP residents
District 587%
District 412%
District 81.2%
District 70.5%

Congressional district

Congressional districtShare of ZIP residents
Tennessee's 1st congressional district (TN-01)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 499%
State Senate District 31.2%

State house districtShare of ZIP residents
State House District 390%
State House District 28.9%
State House District 61.2%

Voting precincts

5 voting precincts overlap ZIP 37686. 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:37686")

ZIP 37686 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.