Brooklyn, WI · standard
ZIP Code 53521
Rock County, Wisconsin - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,656
- 23/sq mi Moderate-density area
- $108,036
- Median income Above-median income area
- $391,100
- Median home value Above-median home value
- 35.4%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Brooklyn pairs an upper-quartile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 14%
- household income, US ZIPs
- Top 22%
- home value, US ZIPs
- 23
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 53521 against every reporting US ZIP.
ZIP code 53521 covers 159.0 square miles in Brooklyn, Rock County, Wisconsin (a standard USPS delivery area), with a modest 3,656 residents on file, a density of 23 people per square mile, in the Chicago time zone.
ZIP 53521 lands in the middle-income range, with a median household income of $108,036 (38% above the average Wisconsin ZIP), while per-capita income is $47,112. Both reported hardship measures are comparatively low in absolute terms: poverty is 3.6% and unemployment is 2.3%. Housing is both higher-cost and owner-heavy: median home value is $391,100 (57% above the average Wisconsin ZIP), while 88.3% of occupied homes are owner-occupied and median rent is $1,201.
A solid share of residents have a four-year degree: 35.4% of adults hold a bachelor's degree or higher, the median age is 42.3, and the average commute is 26 minutes. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Rock County, so 53521 can be compared with both its immediate and county-level context.
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 53521
Top 5 sectors by establishment count in Brooklyn, WI
Which industries have the most business establishments in ZIP 53521.
- Construction
Construction
17 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
9 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
8 establishments
- Other services (except public administration) 5
Other services (except public administration)
5 establishments
- Manufacturing 4
Manufacturing
4 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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 53521, Brooklyn, 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
3,656
Population
159.0
Area (sq mi)
23
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 53521?
42.3
Median Age
53.8%
Male
46.2%
Female
1.8%
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?
$108,036
Median Household Income
+38% vs state ZIP avg
$47,112
Per Capita Income
3.6%
Poverty Rate
2.3%
Unemployment Rate
25.5 min
Mean Commute Time
How ZIP 53521 ranks among Wisconsin ZIPs
Brooklyn, WI household income vs. every Wisconsin ZIP code
Median household income among 755 reporting Wisconsin ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$108,036 Top 6% higher than 94% of 755 Wisconsin ZIPs
Each bar is a $20K-wide band; taller bars hold more Wisconsin 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?
Housing stock: occupied vs vacant
1,418housing units
1,418
Total Housing Units
1,393
Occupied Units
25
Vacant Units
2.61
Avg Household Size
Occupancy Type
$391,100
Median Home Value
+57% vs state ZIP avg
$1,201
Median Rent
1984
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
-0.3%
YoY Change (2024)
241
HPI Index (2000 = 100)
+141%
Total Change Since 2000
Home values in ZIP 53521 have decreased 0.3% over the past year (2024). Since 2000, this ZIP has seen +141% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.1% | 171 |
| 2021 | +9.9% | 188 |
| 2022 | +13.8% | 214 |
| 2023 | +12.8% | 242 |
| 2024 | -0.3% | 241 |
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 67 business establishments in ZIP 53521, employing approximately 266 people with a combined annual payroll of $12,190,000.
67
Businesses
266
Employees
$12.2M
Annual Payroll
10
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 17 | 25.4% |
| Professional, scientific, and technical services | 9 | 13.4% |
| Administrative and support and waste management and remediation services | 8 | 11.9% |
| Other services (except public administration) | 5 | 7.5% |
| Manufacturing | 4 | 6.0% |
| Wholesale trade | 4 | 6.0% |
| Transportation and warehousing | 4 | 6.0% |
| Accommodation and food services | 4 | 6.0% |
| Retail trade | 3 | 4.5% |
| Health care and social assistance | 3 | 4.5% |
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 53521 vs 53575 →
ZIP 53521 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 53575
Oregon (53575)
15,494 residents
- 53536
Evansville (53536)
8,503 residents
- 53521 3,656
Brooklyn (53521)
3,656 residents
- 53502 2,421
Albany (53502)
2,421 residents
What this shows Among its immediate neighbors, ZIP 53521 ranks #3 by population - useful context the national average alone can't give.
ZIP 53521 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 53521
Brooklyn (53521)
$108,036 median income
- 53575
Oregon (53575)
$107,885 median income
- 53536
Evansville (53536)
$87,667 median income
- 53502
Albany (53502)
$87,000 median income
What this shows By household income, ZIP 53521 ranks the highest of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 53521, both outside WI so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (3,656 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Rock County
Related Areas
Frequently Asked Questions
What county is ZIP code 53521 in?
ZIP code 53521 (Brooklyn) is located in Rock County, Wisconsin. Rock County contains multiple ZIP codes, see the full list at /counties/rock-wi.
What is the population of ZIP code 53521?
ZIP code 53521 in Brooklyn, WI has a population of 3,656 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 53521?
The median household income in ZIP 53521 is $108,036, which is 42% above the national average of $76,288.
What is the average home value in ZIP 53521?
The median home value in ZIP 53521 is $391,100, which is 41% above the national average of $278,155.
What is the demographic makeup of ZIP 53521?
The largest racial group in ZIP 53521 is White at 90.8%. Hispanic or Latino residents make up 2.8% of the population.
How many businesses are in ZIP code 53521?
ZIP code 53521 has 67 business establishments employing approximately 266 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 53521?
The top industries by establishment count in ZIP 53521 are: Construction (17), Professional, scientific, and technical services (9), Administrative and support and waste management and remediation services (8). There are 10 industry sectors represented in total.
How have home values changed in ZIP code 53521?
According to the FHFA House Price Index, home values in ZIP 53521 decreased by 0.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 141%. 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 53521?
In ZIP code 53521, 64.8% of residents aged 25+ have a high school diploma or higher, and 35.4% 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 53521?
The mean commute time for workers in ZIP code 53521 is 25.5 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 53521?
In ZIP code 53521, approximately 88.3% of occupied housing units are owner-occupied and 11.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 53521?
The poverty rate in ZIP code 53521 is 3.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 53521's numbers, next.
- See how ZIP 53521 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Brooklyn, WI ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.