Boundary Atlas

ZIP code 77879: Somerville, TX

ZIP code 77879 is in Somerville (26% of residents), Clay (2.8%), Lyons (2.4%) and Snook (2.4%), in Burleson County, Texas. 66% of its residents live outside city limits. It is in Texas's 10th congressional district. Its state senate district is State Senate District 18; its state house district is State House District 17.

4,994residents (2020 Census)
192.4 sq miland area
4cities and towns
1congressional district
4voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Somerville26%
Clay2.8%
Lyons2.4%
Snook2.4%

CountyShare of ZIP residents
Burleson County100%

Town or county subdivisionShare of ZIP residents
Somerville CCD76%
Old River CCD23%
Caldwell CCD1.6%

Congressional district

Congressional districtShare of ZIP residents
Texas's 10th congressional district (TX-10)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TX-10)Michael T. McCaul (R)202-225-2401100%
U.S. SenatorJohn Cornyn (R)202-224-2934 · contact formstatewide
U.S. SenatorTed Cruz (R)202-224-5922 · contact formstatewide
State Senator (State Senate District 18)Lois Kolkhorst (R)361-573-7300100%
State Representative (State House District 17)Stan Gerdes (R)512-321-3720100%

Elected in 2024 under TX'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 18100%

State house districtShare of ZIP residents
State House District 17100%

Voting precincts

4 voting precincts overlap ZIP 77879. Map them, with each precinct's share of the ZIP's residents.

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ZIP 77879 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.