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 classified by USPS as a standard delivery area and covers roughly 37.2 square miles in Brookfield, Waukesha County, Wisconsin. The area is home to 21,686 residents, producing a population density of 582 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 53045 against Wisconsin and the nation.
On the economic side, the median household income for ZIP 53045 sits at $123,750 (58% above the Wisconsin average), while per-capita income is $72,253. The poverty rate stands at 4.7% and the unemployment rate at 2.8%. On housing, the median home value is $457,700 (84% above the state average) with median rent at $2,015 per month, and 76.3% of occupied units are owner-occupied, a direct signal of whether 53045 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 64.0% of adults hold a bachelor's degree or higher, the median age is 46, and the average commute is 20 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Waukesha County, so you can benchmark 53045 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 53045
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 53045.
- Health care and social assistance
Health care and social assistance
135 establishments
- Retail trade
Retail trade
102 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
94 establishments
- Finance and insurance
Finance and insurance
89 establishments
- Other services (except public administration)
Other services (except public administration)
67 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 53045?
46.0
Median Age
49.4%
Male
50.6%
Female
12.7%
Foreign-Born
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
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
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?
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
$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.
- 53051
Menomonee Falls (53051)
35,651 residents
- 53186
Waukesha (53186)
33,592 residents
- 53072
Pewaukee (53072)
23,907 residents
- 53045
Brookfield (53045)
21,686 residents
- 53005
Brookfield (53005)
19,425 residents
- 53226
Milwaukee (53226)
18,370 residents
- 53146 7,458
New Berlin (53146)
7,458 residents
- 53122 5,985
Elm Grove (53122)
5,985 residents
- 53007 1,841
Butler (53007)
1,841 residents
What this shows Among its immediate neighbors, ZIP 53045 ranks #4 by population — useful context the national average alone can't give.
ZIP 53045 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 53122
Elm Grove (53122)
$157,962 median income
- 53005
Brookfield (53005)
$126,739 median income
- 53045
Brookfield (53045)
$123,750 median income
- 53146
New Berlin (53146)
$110,035 median income
- 53051
Menomonee Falls (53051)
$100,031 median income
- 53072
Pewaukee (53072)
$98,538 median income
- 53226
Milwaukee (53226)
$93,132 median income
- 53046
Lannon (53046)
$83,889 median income
- 53186
Waukesha (53186)
$74,588 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.
| 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
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Frequently Asked Questions
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What is the population of ZIP code 53045? ▼
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How many businesses are in ZIP code 53045? ▼
What are the main industries in ZIP code 53045? ▼
How have home values changed in ZIP code 53045? ▼
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What is the average commute time in ZIP 53045? ▼
What percentage of residents own vs. rent in ZIP 53045? ▼
What is the poverty rate in ZIP code 53045? ▼
ZIP Code Research Guides
Official Data Resources for Brookfield, WI
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.