PlainZIP

Brookfield, WI · standard

ZIP Code 53045

Waukesha County, Wisconsin - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

21,686
582/sq mi
$123,750
Median income
$457,700
Median home value
64.0%
Bachelor's or higher

The verdict

Brookfield pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 8%
household income, US ZIPs
Top 16%
home value, US ZIPs
582
people per sq mi
76%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 53045 against every reporting US ZIP.

ZIP code 53045 is a densely settled ZIP (a standard USPS delivery area) in Brookfield, Waukesha County, Wisconsin, with 21,686 residents across 37.2 square miles, a density of 582 people per square mile, in the Chicago time zone.

ZIP 53045 skews affluent, with a median household income of $123,750 (58% above the Wisconsin average), while per-capita income is $72,253. Local economic indicators show a 4.7% poverty rate alongside 2.8% unemployment. Housing costs here run $457,700 for a typical home value (84% above the state average), with rent averaging $2,015 a month; 76.3% of homes are owner-occupied.

This is a highly-educated ZIP: 64.0% of adults hold a bachelor's degree or higher, the median age is 46, and the average commute is 20 minutes. To put 53045 in local context, 10 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Waukesha County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 53045

Top 5 sectors by establishment count in Brookfield, WI

Which industries have the most business establishments in ZIP 53045.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 53045, Brookfield, WI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

21,686

Population

37.2

Area (sq mi)

582

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 53045?

46.0

Median Age

49.4%

Male

50.6%

Female

12.7%

Foreign-Born

White 78.4%
African American 2.3%
Asian 12.3%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.8%
Hispanic or Latino 3.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$123,750

Median Household Income

+58% vs state

$72,253

Per Capita Income

4.7%

Poverty Rate

2.8%

Unemployment Rate

19.8 min

Mean Commute Time

How ZIP 53045 ranks nationally

Brookfield, WI household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$123,750 Top 8% higher than 92% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 75.6%
Bachelor's Degree or Higher 64.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

9,976

Total Housing Units

9,680

Occupied Units

296

Vacant Units

2.38

Avg Household Size

Occupancy Type

Owner 76.3%
Renter 23.7%

$457,700

Median Home Value

+84% vs state

$2,015

Median Rent

1983

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+10.3%

YoY Change (2024)

225

HPI Index (2000 = 100)

+125%

Total Change Since 2000

Home values in ZIP 53045 have increased 10.3% over the past year (2024). Since 2000, this ZIP has seen +125% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.6% 152
2021 +8.2% 165
2022 +14.2% 188
2023 +8.6% 204
2024 +10.3% 225

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 826 business establishments in ZIP 53045, employing approximately 17,147 people with a combined annual payroll of $1,235,522,000.

826

Businesses

17,147

Employees

$1.2B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 135 16.3%
Retail trade 102 12.3%
Professional, scientific, and technical services 94 11.4%
Finance and insurance 89 10.8%
Other services (except public administration) 67 8.1%
Wholesale trade 66 8.0%
Accommodation and food services 64 7.8%
Construction 49 5.9%
Real estate and rental and leasing 47 5.7%
Administrative and support and waste management and remediation services 31 3.8%
Information 17 2.1%
Manufacturing 16 1.9%
Educational services 15 1.8%
Arts, entertainment, and recreation 15 1.8%
Management of companies and enterprises 10 1.2%
Transportation and warehousing 7 0.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 53045 vs 53005 →

ZIP 53045 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 53045 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 53045 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 53045 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
53005 Brookfield, WI 19,425 2.6 mi
53122 Elm Grove, WI 5,985 3.4 mi
53702 Madison, WI 50 4.0 mi
53186 Waukesha, WI 33,592 3.7 mi
53146 New Berlin, WI 7,458 6.2 mi
53046 Lannon, WI 1,107 6.3 mi
53051 Menomonee Falls, WI 35,651 6.2 mi
53226 Milwaukee, WI 18,370 5.6 mi
53007 Butler, WI 1,841 5.2 mi
53072 Pewaukee, WI 23,907 6.0 mi

More ZIP Codes in Waukesha County

53051 standard
Menomonee Falls, WI
Pop: 35,651
53188 standard
Waukesha, WI
Pop: 35,195
53066 standard
Oconomowoc, WI
Pop: 33,830
53186 standard
Waukesha, WI
Pop: 33,592
53151 standard
New Berlin, WI
Pop: 31,987
53189 standard
Waukesha, WI
Pop: 26,228

Related Areas

Waukesha County Brookfield, WI Wisconsin

Frequently Asked Questions

What county is ZIP code 53045 in? ▼
ZIP code 53045 (Brookfield) is located in Waukesha County, Wisconsin. Waukesha County contains multiple ZIP codes, see the full list at /counties/waukesha-wi.
What is the population of ZIP code 53045? ▼
ZIP code 53045 in Brookfield, WI has a population of 21,686 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 53045? ▼
The median household income in ZIP 53045 is $123,750, which is 62% above the national average of $76,288.
What is the average home value in ZIP 53045? ▼
The median home value in ZIP 53045 is $457,700, which is 65% above the national average of $278,155.
What is the demographic makeup of ZIP 53045? ▼
The largest racial group in ZIP 53045 is White at 78.4%. Hispanic or Latino residents make up 3.2% of the population.
How many businesses are in ZIP code 53045? ▼
ZIP code 53045 has 826 business establishments employing approximately 17,147 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 53045? ▼
The top industries by establishment count in ZIP 53045 are: Health care and social assistance (135), Retail trade (102), Professional, scientific, and technical services (94). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 53045? ▼
According to the FHFA House Price Index, home values in ZIP 53045 increased by 10.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 125%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 53045? ▼
In ZIP code 53045, 75.6% of residents aged 25+ have a high school diploma or higher, and 64.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 53045? ▼
The mean commute time for workers in ZIP code 53045 is 19.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 53045? ▼
In ZIP code 53045, approximately 76.3% of occupied housing units are owner-occupied and 23.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 53045? ▼
The poverty rate in ZIP code 53045 is 4.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.