ZIP code
53045
Brookfield, WI
53045 covers Brookfield in Waukesha County, with 23,072 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 53045. Methodology
ZIP code map of 53045

About ZIP code 53045
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 53045. Not ACS. Methodology
People in 53045
Race
- White18,484
- Black or African American473
- American Indian or Alaska Native39
- Asian3,209
- Native Hawaiian and Pacific Islander3
- Other race210
- Two or more races1,233
Hispanic or Latino (any race): 783
Age
- Under 102,651
- 10 to 193,226
- 20 to 291,925
- 30 to 392,510
- 40 to 493,005
- 50 to 593,235
- 60 to 693,141
- 70 to 792,211
- 80 and older1,747
Income and housing in 53045
Education
- High school graduate98.0%
- Bachelor's degree61.9%
- Graduate degree28.7%
Places covering 53045
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Brookfield84.4%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Waukesha County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
15.6% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 53045
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 23,717 | |
| 2006 | 21,909 | |
| 2007 | 22,451 | |
| 2008 | 21,917 | |
| 2009 | 22,072 | |
| 2010 | 22,128 | |
| 2011 | 21,504 | 21,934 |
| 2012 | 21,428 | 22,200 |
| 2013 | 21,383 | 21,960 |
| 2014 | 21,292 | 21,730 |
| 2015 | 21,342 | 22,190 |
| 2016 | 21,218 | 22,750 |
| 2017 | 21,292 | 22,800 |
| 2018 | 21,509 | 23,060 |
| 2019 | 21,468 | 23,100 |
| 2020 | 21,464 | 23,330 |
| 2021 | 22,892 | 22,940 |
| 2022 | 23,292 | 23,170 |
| 2023 | 23,072 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 53045
12 nearest ZIP centroids (any distance)
- 53005Brookfield2.7 miPop 22,125 · Income $123,486
- 53122Elm Grove3.4 miPop 6,467 · Income $133,036
- 53186Waukesha3.7 miPop 33,264 · Income $74,596
- 53007Butler5.3 miPop 2,003 · Income $55,577
- 53226Milwaukee5.6 miPop 18,893 · Income $86,361
- 53146New Berlin5.9 miPop 7,348 · Income $96,015
- 53072Pewaukee5.9 miPop 26,652 · Income $97,434
- 53222Milwaukee6.1 miPop 24,400 · Income $73,523
- 53151New Berlin6.5 miPop 32,865 · Income $99,248
- 53225Milwaukee6.7 miPop 25,277 · Income $54,433
- 53046Lannon6.8 miPop 1,475 · Income $79,191
- 53227Milwaukee7.1 miPop 22,988 · Income $71,594
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 53045, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 53045 FAQ
- What city is ZIP code 53045 in?
- 53045 is in Brookfield, WI.
- What county is 53045 in?
- 53045 is in Waukesha County.
- What is the median household income in 53045?
- The median household income in 53045 is $116,541.
- Which ZIP codes are near 53045?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 53045.