Plain

City ZIP codes · Wisconsin

Brookfield, WI ZIP Codes

3 ZIP codes use the postal name Brookfield, Wisconsin (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $123,750 in 53045 to $126,739 in 53005 (Census Bureau, ACS 2020-2024). Brookfield's most populous ZIP code is 53045, with 23,329 people (ACS 2020-2024); 84% of its land is in the city of Brookfield.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Brookfield's ZIP codes?

53005: $127k median household income53045: $124k median household income530055304553005: $127k median household income53045: $124k median household income530055304553005: $127k median household income53045: $124k median household income5300553045
The 2 residential ZIP codes named Brookfield, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Brookfield's ZIP codes?

The highest median household income is in 53005 ($126,739), the lowest in 53045 ($123,750). Home values run from $415,800 in 53005 to $457,700 in 53045.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Brookfield

Residential ZIP codes with the postal name Brookfield, WI, largest first (ACS 2020-2024); sort by any column
County
53045 Waukesha County 23,329 1,618 $124k $458k
53005 Waukesha County 21,675 1,476 $127k $416k

Download the 3 ZIP codes as CSV

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).

PO Box and single-organization ZIP codes in Brookfield

1 ZIP code named Brookfield has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Brookfield, WI: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
53008Waukesha County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Brookfield's ZIP codes reach?

Brookfield's residential ZIP codes lie in Waukesha County.

Which first three digits do Brookfield'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 Brookfield starts with 530.

Three-digit prefixes of Brookfield's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Brookfield's
PrefixSectional centerHereAll codes
530 Milwaukee, WI (SCF 530) 3 83

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.