City ZIP codes · Wisconsin
Mequon, WI ZIP Codes
2 ZIP codes use the postal name Mequon, Wisconsin (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Median household income runs from $128,156 in 53092 to $135,929 in 53097 (Census Bureau, ACS 2020-2024). Mequon's most populous ZIP code is 53092, with 20,886 people (ACS 2020-2024); 95% of its land is in the city of Mequon.
- ACS2020-24
- Census2020
- GeoNames2026
Where are Mequon's ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are Mequon's ZIP codes?
The highest median household income is in 53097 ($135,929), the lowest in 53092 ($128,156). Home values run from $473,300 in 53092 to $499,800 in 53097.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).
All 2 residential ZIP codes of Mequon
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).
Which counties do Mequon's ZIP codes reach?
Mequon's residential ZIP codes lie in Ozaukee County.
Which places do Mequon's ZIP codes cover?
A postal name is not a city limit. By the Census Bureau's places, Mequon's residential ZIP codes cover Mequon itself and 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:
- Thiensville 53092
Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).
Which first three digits do Mequon's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Mequon starts with 530.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 530 | Milwaukee, WI (SCF 530) | 2 | 83 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.