Boundary Atlas

ZIP code 37615: Johnson City, TN

ZIP code 37615 is in Johnson City (25% of residents), Oak Grove (20%), Spurgeon (10%) and Gray (5.8%), in Washington County, Tennessee. 39% of its residents live outside city limits. It is in Tennessee's 1st congressional district. Its state senate district is State Senate District 3; its state house districts are State House District 6 (94%) and State House District 7 (6.2%).

22,151residents (2020 Census)
37.6 sq miland area
4cities and towns
1congressional district
10voting precincts

See it on the mapAll of Tennessee

City and county

City or townShare of ZIP residents
Johnson City25%
Oak Grove20%
Spurgeon10%
Gray5.8%

CountyShare of ZIP residents
Washington County100%

Town or county subdivisionShare of ZIP residents
District 639%
District 536%
District 1516%
District 149.0%
District 70.3%
District 80.2%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TN-01)Diana Harshbarger (R)202-225-6356100%
U.S. SenatorBill Hagerty (R)202-224-4944 · contact formstatewide
U.S. SenatorMarsha Blackburn (R)202-224-3344 · contact formstatewide
State Senator (State Senate District 3)Rusty Crowe (R)100%
State Representative (State House District 6)Tim Hicks (R)94%
State Representative (State House District 7)Becky Jo Alexander (R)6.2%

Elected in 2024 under TN's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

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 3100%

State house districtShare of ZIP residents
State House District 694%
State House District 76.2%

Voting precincts

10 voting precincts overlap ZIP 37615. Map them, with each precinct's share of the ZIP's residents.

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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:37615")

ZIP 37615 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.