ZIP code 84040: Layton, UT
ZIP code 84040 is in Layton, in Davis County, Utah. It is in Utah's 2nd congressional district. Its state senate district is State Senate District 7; its state house districts are State House District 16 (80%), State House District 17 (14%) and State House District 11 (6.0%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Layton | 100% |
| County | Share of ZIP residents |
|---|---|
| Davis County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| North Davis CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Utah's 2nd congressional district (UT-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Joy Petro | 100% | |
| U.S. Representative (UT-02) | Celeste Maloy (R) | 202-225-9730 | 100% |
| U.S. Senator | John R. Curtis (R) | 202-224-5251 | statewide |
| U.S. Senator | Mike Lee (R) | 202-224-5444 · contact form | statewide |
| State Senator (State Senate District 7) | Stuart Adams (R) | 100% | |
| State Senator (State Senate District 5) | Ann Millner (R) | 801-900-3897 | <0.1% |
| State Representative (State House District 17) | Stewart Barlow (R) | 801-289-6699 | 14% |
| State Representative (State House District 11) | Katy Hall (R) | 801-834-3059 | 6.0% |
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: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0); Mayors: Wikidata (CC0).
Local government
- Layton website: http://www.laytoncity.org/
- Layton laws: search for the Layton, Utah code of ordinances
- Davis County laws: search for the Davis County, Utah code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 7 | 100% |
| State Senate District 5 | land only |
| State house district | Share of ZIP residents |
|---|---|
| State House District 16 | 80% |
| State House District 17 | 14% |
| State House District 11 | 6.0% |
Voting precincts
35 voting precincts overlap ZIP 84040. 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:84040")
ZIP 84040 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.