Postal Codes

53045 ZIP Code

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ZIP code 53045 covers Brookfield, Wisconsin, with a population of about 23,072 and a median household income of $116,541.

Population
23,0721,601 per square mile
Median age
467.3 points above the US average
Median household income
$116,5411.5× the Wisconsin median
Poverty rate
4.7%7.7 points below the US average
Typical home value
$554,859up 30.2% in five years
Median rent
$1,8671.8× the Wisconsin median
Degree or higher
61.9%26.9 points above the US average
Homeownership
76%11 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
860

Where 53045 is

Brookfield, Wisconsin — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,072
Median age46
Family households65.5%
Born outside the US11.7%
Speaks a language other than English at home14.7%
White (non-Hispanic)78.7%
Black (non-Hispanic)1.3%
Asian (non-Hispanic)12.2%
Hispanic or Latino3.1%
Veterans4.9%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$116,541
Income per person$71,317
Poverty rate4.7%
Households on SNAP or cash assistance4.7%

Household income distribution

Under $10k2.9%
$10–15k1.9%
$15–20k0.6%
$20–25k1.7%
$25–30k6.2%
$30–35k1.0%
$35–40k1.4%
$40–45k2.9%
$45–50k1.4%
$50–60k4.8%
$60–75k7.1%
$75–100k11.4%
$100–125k9.8%
$125–150k9.2%
$150–200k11.1%
$200k or more26.5%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,860
Mean adjusted gross income$167,279
Returns declaring $200,000 or more21.1%
Returns, under $25k19.5%
Returns, $25k–$50k13.2%
Returns, $50k–$75k11.1%
Returns, $75k–$100k9.4%
Returns, $100k–$200k25.6%
Returns, $200k or more21.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$443,500
Median gross rent$1,867
Rent as a share of household income28.1%
Owner-occupied76%
Vacant homes4.7%
Median year built1984

What the homes are

Detached house60.5%
Attached house14%
2 to 4 units3.1%
5 to 19 units7.1%
20 or more units15.1%
Mobile home0.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$554,859as of 2026-07
Typical home value, 1 yearup 4.8%
Typical home value, 5 yearsup 30.2%
Typical home value, 10 yearsup 70.6%
Typical asking rent$2,314as of 2026-07
Typical home value since 2000
200020132026$554,859$225,926

$225,926 in 2000 to $554,859 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.1%
Bachelor's degree or higher61.9%
High school diploma or higher98%
Works from home18.2%
Drives to work alone75%
Takes public transport0.1%
Commutes 45 minutes or more4.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity30.5% 2.9 pts below the national average of 33.4%
Diagnosed diabetes10.5% 1.5 pts below the national average of 12%
Currently smokes8.4% 4.8 pts below the national average of 13.2%
High blood pressure34.1% same as the national average of 34.1%
Fair or poor general health12.6% 7.7 pts below the national average of 20.3%
No health insurance (18–64)4.6% 6.7 pts below the national average of 11.3%
Depression18.5% 3.4 pts below the national average of 21.9%
No leisure-time physical activity20% 5.4 pts below the national average of 25.4%
Arthritis26.9% 1.8 pts above the national average of 25.1%
Binge drinking18.7% 2.7 pts above the national average of 16%
Taking blood pressure medication80.3% 5.6 pts above the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma9.7% 0.7 pts below the national average of 10.4%
Coronary heart disease6.2% same as the national average of 6.2%
Routine check-up in past year81.2% 4.5 pts above the national average of 76.7%
Cholesterol screening90.3% 4.4 pts above the national average of 85.9%
Cognitive disability9% 5.8 pts below the national average of 14.8%
Colorectal screening74.2% 9.9 pts above the national average of 64.3%
COPD4.7% 1.9 pts below the national average of 6.6%
Visited a dentist76.5% 15.2 pts above the national average of 61.3%
Any disability24.9% 5.8 pts below the national average of 30.7%
Lacks emotional support15.9% 8.9 pts below the national average of 24.8%
Food insecurity6.4% 10.7 pts below the national average of 17.1%
Received food stamps5.5% 8.8 pts below the national average of 14.3%
Hearing disability6.7% same as the national average of 6.7%
High cholesterol36.6% same as the national average of 36.2%
Housing insecurity5.5% 8.3 pts below the national average of 13.8%
Independent living disability5.6% 2.8 pts below the national average of 8.4%
Lacks transport3.9% 5.3 pts below the national average of 9.2%
Loneliness27.9% 6.5 pts below the national average of 34.4%
Mammography use84.6% 8.7 pts above the national average of 75.9%
Poor mental health (14+ days)11.4% 5.4 pts below the national average of 16.8%
Mobility disability11.1% 2.9 pts below the national average of 14%
Poor physical health (14+ days)10.7% 2.8 pts below the national average of 13.5%
Self-care disability2.5% 1.5 pts below the national average of 4%
Utility shut-off threat3.1% 5.7 pts below the national average of 8.8%
Sleeps under 7 hours29.8% 6.6 pts below the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost5.3% 7.7 pts below the national average of 13%
Vision disability3.1% 2.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments860
People employed17,876
Annual payroll$1,297,545,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 27.5% of US census tracts
FEMA ratingVery Low to Relatively Low across the 7 census tracts this ZIP code covers
Expected annual loss46 out of 100
Community resilience95.8 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave82.3Relatively High at its worst in this ZIP code
Hail80.3Relatively Moderate at its worst in this ZIP code
Tornado69.7Relatively High at its worst in this ZIP code
Drought58.4Very Low at its worst in this ZIP code
Winter weather58.2Relatively Moderate at its worst in this ZIP code
Landslide54.1Very Low at its worst in this ZIP code
Ice storm53Relatively Low at its worst in this ZIP code
Heat wave48.9Relatively Moderate at its worst in this ZIP code
Wildfire41.7Very Low at its worst in this ZIP code
River flooding30.8Relatively Moderate at its worst in this ZIP code
Strong wind29.9Relatively Low at its worst in this ZIP code
Lightning23.9Relatively Low at its worst in this ZIP code
Earthquake14.1Very Low at its worst in this ZIP code
Hurricane13.9Very Low at its worst in this ZIP code
Compared with Wisconsin and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWisconsinUnited States
Median household income$116,541$75,670$78,538
Income per person$71,317$42,019$43,289
Poverty rate4.7%10.6%12.4%
Median home value$443,500$247,400$303,400
Median gross rent$1,867$1,045$1,348
Homeownership76%67.9%65%
Bachelor's degree or higher61.9%32.8%35%
Unemployment rate3.1%3.3%5.2%
Works from home18.2%11.6%13.5%
Born outside the US11.7%5.1%13.9%
Median age4640.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationBROOKFIELD WWTP, WI US3 km away
Rain in a year36 in

Average high and low by month

January27.7°F / 12.2°F1.59 in rain
February31.5°F / 15°F1.56 in rain
March42.4°F / 24.6°F2.06 in rain
April54.3°F / 34.8°F3.71 in rain
May66.5°F / 46.6°F3.94 in rain
June76.6°F / 55.9°F4.8 in rain
July81.2°F / 61.4°F3.82 in rain
August79.2°F / 60.2°F3.97 in rain
September72.2°F / 51.3°F3.21 in rain
October59.4°F / 40.2°F3.09 in rain
November45.1°F / 28.5°F2.19 in rain
December33.1°F / 18.7°F1.96 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket80% of this ZIP code's area
No vehicle and far from a supermarket26% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Elmbrook School District83% of this ZIP code's land area
Waukesha School District17% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability19more vulnerable than 19% of US census tracts
Socioeconomic status9more vulnerable than 9% of US census tracts
Household characteristics42more vulnerable than 42% of US census tracts
Racial and ethnic minority status33more vulnerable than 33% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability8.9 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

53008 Brookfield, WI3.4 km away
53005 Brookfield, WI4 km away
53122 Elm Grove, WI5.4 km away
53263 Milwaukee, WI7.1 km away
53007 Butler, WI7.5 km away
53226 Milwaukee, WI8.8 km away
53187 Waukesha, WI9.2 km away
53046 Lannon, WI9.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Waukesha County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area14.41 sq mi
Water area0.2 sq mi
Population density1,601 people per sq mi
Latitude, longitude43.0668, -88.1469

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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