Boundary Atlas

ZIP code 37179: Spring Hill, TN

ZIP code 37179 is in Spring Hill (44% of residents) and Thompson's Station (43%), in Williamson County, Tennessee. 13% of its residents live outside city limits. It is in Tennessee's 5th congressional district (92%) and Tennessee's 9th congressional district (8.1%). Its state senate districts are State Senate District 27 (54%) and State Senate District 28 (46%); its state house districts are State House District 92 (48%), State House District 65 (46%) and State House District 63 (6.2%).

16,995residents (2020 Census)
53.0 sq miland area
2cities and towns
2congressional districts
13voting precincts

See it on the mapAll of Tennessee

City and county

City or townShare of ZIP residents
Spring Hill44%
Thompson's Station43%

CountyShare of ZIP residents
Williamson County100%

Town or county subdivisionShare of ZIP residents
District 234%
District 930%
District 319%
District 1111%
District 16.6%

Congressional districts

Congressional districtShare of ZIP residents
Tennessee's 5th congressional district (TN-05)92%
Tennessee's 9th congressional district (TN-09)8.1%

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.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TN-05)Andrew Ogles (R)202-225-431192%
U.S. Representative (TN-09)Steve Cohen (D)202-225-32658.1%
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 27)Jack Johnson (R)54%
State Senator (State Senate District 28)Joey Hensley (R)46%
State Representative (State House District 92)Todd Warner (R)48%
State Representative (State House District 65)Lee Reeves (R)46%
State Representative (State House District 63)Jake McCalmon (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 2754%
State Senate District 2846%

State house districtShare of ZIP residents
State House District 9248%
State House District 6546%
State House District 636.2%

Voting precincts

13 voting precincts overlap ZIP 37179. 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:

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ZIP 37179 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.