County ZIP codes · Utah · FIPS 49011
Davis County, UT ZIP Codes
Davis County, Utah has 16 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 13 residential and 3 for PO boxes or a single organization. 11 of the residential ones lie mainly in Davis County and 2 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $69,352 in 84056 (Hill Afb) to $134,375 in 84037 (Kaysville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Davis County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $95,519 and $128,365.
They carry 12 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 13 residential ZIP codes in Davis County
11 ZIP codes lie mainly in Davis County; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 84015 | Clearfield | 71,812 | 3,448 | $96k | $417k | 100% |
| 84041 | Layton | 55,180 | 3,696 | $90k | $443k | 100% |
| 84010 | Bountiful | 46,871 | 1,233 | $102k | $526k | 100% |
| 84037 | Kaysville | 39,415 | 811 | $134k | $637k | 100% |
| 84075 | Syracuse | 35,545 | 1,017 | $133k | $574k | 100% |
| 84040 | Layton | 28,509 | 1,176 | $128k | $543k | 100% |
| 84025 | Farmington | 25,389 | 1,786 | $127k | $651k | 100% |
| 84054 | North Salt Lake | 22,355 | 2,612 | $102k | $506k | 100% |
| 84087 | Woods Cross | 16,808 | 1,217 | $133k | $532k | 100% |
| 84014 | Centerville | 16,679 | 1,297 | $123k | $531k | 100% |
| 84056 | Hill Afb | 3,803 | 395 | $69k | – | 100% |
Partly in Davis County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
2 ZIP codes of Davis County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Davis | Elsewhere |
|---|---|---|
| 84405 | 34% | Weber County66% |
| 84315 | 22% | Weber County78% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Davis County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Davis County's ZIP codes use 3 prefixes: 840, 843 and 844.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 840 | Salt Lake City, UT (SCF 840) | 14 | 94 |
| 843 | Salt Lake City, UT (SCF 840) | 1 | 40 |
| 844 | Salt Lake City, UT (SCF 840) | 1 | 11 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.