Boundary Atlas

ZIP code 84123: Taylorsville, UT

ZIP code 84123 is in Taylorsville (55% of residents), Murray (33%), West Valley City (7.8%) and Millcreek (3.6%), in Salt Lake County, Utah. It is in Utah's 1st congressional district. Its state senate districts are State Senate District 12 (47%), State Senate District 13 (42%) and State Senate District 16 (11%); its state house districts are State House District 31 (53%), State House District 35 (43%), State House District 40 (2.0%), State House District 39 (1.4%) and State House District 36 (0.4%).

39,489residents (2020 Census)
8.3 sq miland area
5cities and towns
1congressional district
37voting precincts

See it on the mapAll of Utah

City and county

City or townShare of ZIP residents
Taylorsville55%
Murray33%
West Valley City7.8%
Millcreek3.6%
West Jordan0.6%

CountyShare of ZIP residents
Salt Lake County100%

Town or county subdivisionShare of ZIP residents
Salt Lake City CCD100%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
mayorBrett A. Hales33%
MayorKristie S. Overson801-963-540055%
U.S. Representative (UT-01)Blake D. Moore (R)202-225-0453100%
U.S. SenatorJohn R. Curtis (R)202-224-5251statewide
U.S. SenatorMike Lee (R)202-224-5444 · contact formstatewide
State Senator (State Senate District 12)Karen Kwan (Democratic)47%
State Senator (State Senate District 13)Nate Blouin (Democratic)42%
State Senator (State Senate District 16)Wayne Harper (R)11%
State Representative (State House District 31)Verona Mauga (Democratic)801-573-827953%
State Representative (State House District 35)Rosalba Dominguez (Democratic)801-419-328343%
State Representative (State House District 40)Andrew Stoddard (Democratic)385-256-32812.0%
State Representative (State House District 39)Ken Ivory (R)801-694-83801.4%
State Representative (State House District 36)Jim Dunnigan (R)801-538-10290.4%

From Wikidata (community-maintained); confirm on the city's website.

Elected in 2024 under UT'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: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1247%
State Senate District 1342%
State Senate District 1611%

State house districtShare of ZIP residents
State House District 3153%
State House District 3543%
State House District 402.0%
State House District 391.4%
State House District 360.4%

Voting precincts

37 voting precincts overlap ZIP 84123. 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 84123 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.