Postal Codes

53521 ZIP Code

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ZIP code 53521 covers Brooklyn, Wisconsin, with a population of about 3,688 and a median household income of $101,731.

Population
3,68862 per square mile
Median age
41.32.6 points above the US average
Median household income
$101,7311.3× the Wisconsin median
Poverty rate
3.6%8.8 points below the US average
Typical home value
$507,546up 35.5% in five years
Median rent
$1,1571.1× the Wisconsin median
Degree or higher
35.4%about the US average
Homeownership
87.3%22.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
64

Where 53521 is

Brooklyn, 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

Population3,688
Median age41.3
Family households76.5%
Born outside the US1.4%
Speaks a language other than English at home2.8%
White (non-Hispanic)90.5%
Black (non-Hispanic)1.2%
Asian (non-Hispanic)0.3%
Hispanic or Latino2.6%
Veterans6%
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$101,731
Income per person$45,732
Poverty rate3.6%
Households on SNAP or cash assistance3.4%

Household income distribution

Under $10k1.2%
$10–15k1.2%
$15–20k1.4%
$20–25k2.2%
$25–30k2.1%
$30–35k1.4%
$35–40k3.4%
$40–45k1.6%
$45–50k1.9%
$50–60k7.6%
$60–75k8.7%
$75–100k15.9%
$100–125k15.1%
$125–150k8.9%
$150–200k16.6%
$200k or more10.7%

Income as declared to the IRS

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

Tax returns filed1,980
Mean adjusted gross income$99,646
Returns declaring $200,000 or more10.1%
Returns, under $25k19.7%
Returns, $25k–$50k18.2%
Returns, $50k–$75k15.2%
Returns, $75k–$100k11.1%
Returns, $100k–$200k25.8%
Returns, $200k or more10.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$365,600
Median gross rent$1,157
Rent as a share of household income26.2%
Owner-occupied87.3%
Vacant homes1.9%
Median year built1984

What the homes are

Detached house90.6%
Attached house5.4%
2 to 4 units2%
5 to 19 units2%
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$507,546as of 2026-07
Typical home value, 1 yearup 5.7%
Typical home value, 5 yearsup 35.5%
Typical home value, 10 yearsup 92.6%
Typical home value since 2000
200020132026$507,546$171,882

$171,882 in 2000 to $507,546 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.2%
Bachelor's degree or higher35.4%
High school diploma or higher95.8%
Works from home14.4%
Drives to work alone77.9%
Takes public transport0%
Commutes 45 minutes or more8.1%
Health

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

Obesity36.7% 3.3 pts above the national average of 33.4%
Diagnosed diabetes9.5% 2.5 pts below the national average of 12%
Currently smokes11.8% 1.4 pts below the national average of 13.2%
High blood pressure30.5% 3.6 pts below the national average of 34.1%
Fair or poor general health14% 6.3 pts below the national average of 20.3%
No health insurance (18–64)5.7% 5.6 pts below the national average of 11.3%
Depression23.9% 2 pts above the national average of 21.9%
No leisure-time physical activity21.7% 3.7 pts below the national average of 25.4%
Arthritis24.6% 0.5 pts below the national average of 25.1%
Binge drinking20.1% 4.1 pts above the national average of 16%
Taking blood pressure medication77.1% 2.4 pts above the national average of 74.7%
Cancer (non-skin)8.8% 1.1 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year76.3% same as the national average of 76.7%
Cholesterol screening88.1% 2.2 pts above the national average of 85.9%
Cognitive disability11% 3.8 pts below the national average of 14.8%
Colorectal screening72.8% 8.5 pts above the national average of 64.3%
COPD5.3% 1.3 pts below the national average of 6.6%
Visited a dentist72.3% 11 pts above the national average of 61.3%
Any disability25.3% 5.4 pts below the national average of 30.7%
Lacks emotional support18.2% 6.6 pts below the national average of 24.8%
Food insecurity8% 9.1 pts below the national average of 17.1%
Received food stamps8% 6.3 pts below the national average of 14.3%
Hearing disability6% 0.7 pts below the national average of 6.7%
High cholesterol33.7% 2.5 pts below the national average of 36.2%
Housing insecurity7.3% 6.5 pts below the national average of 13.8%
Independent living disability6.3% 2.1 pts below the national average of 8.4%
Lacks transport4.9% 4.3 pts below the national average of 9.2%
Loneliness28.5% 5.9 pts below the national average of 34.4%
Mammography use79.4% 3.5 pts above the national average of 75.9%
Poor mental health (14+ days)14.4% 2.4 pts below the national average of 16.8%
Mobility disability10.7% 3.3 pts below the national average of 14%
Poor physical health (14+ days)11.6% 1.9 pts below the national average of 13.5%
Self-care disability2.8% 1.2 pts below the national average of 4%
Utility shut-off threat4.1% 4.7 pts below the national average of 8.8%
Sleeps under 7 hours30.4% 6 pts below the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost6.6% 6.4 pts below the national average of 13%
Vision disability3.3% 2.3 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments64
People employed288
Annual payroll$12,141,000
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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 67.4% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 4 census tracts this ZIP code covers
Expected annual loss80.2 out of 100
Community resilience83.3 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.

Hail94.7Relatively High at its worst in this ZIP code
Cold wave93.7Very High at its worst in this ZIP code
Landslide88.8Relatively Low at its worst in this ZIP code
Drought86.9Relatively Low at its worst in this ZIP code
Tornado83.2Relatively High at its worst in this ZIP code
Strong wind79Relatively High at its worst in this ZIP code
Wildfire73.9Relatively Low at its worst in this ZIP code
River flooding70.5Relatively Moderate at its worst in this ZIP code
Heat wave64.2Relatively Moderate at its worst in this ZIP code
Winter weather63.8Relatively Moderate at its worst in this ZIP code
Lightning57.8Relatively Moderate at its worst in this ZIP code
Ice storm57Relatively Low at its worst in this ZIP code
Hurricane26.7Very Low at its worst in this ZIP code
Earthquake26Very 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$101,731$75,670$78,538
Income per person$45,732$42,019$43,289
Poverty rate3.6%10.6%12.4%
Median home value$365,600$247,400$303,400
Median gross rent$1,157$1,045$1,348
Homeownership87.3%67.9%65%
Bachelor's degree or higher35.4%32.8%35%
Unemployment rate2.2%3.3%5.2%
Works from home14.4%11.6%13.5%
Born outside the US1.4%5.1%13.9%
Median age41.340.138.7
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 stationSTOUGHTON, WI US15.7 km away
Rain in a year38 in
Snow in a year36 in

Average high and low by month

January27.2°F / 9.7°F1.62 in rain, 10.4 in snow
February31.4°F / 12.5°F1.68 in rain, 10.6 in snow
March43.5°F / 23.4°F2.2 in rain, 4.5 in snow
April57.2°F / 34.4°F3.94 in rain, 0.7 in snow
May69.4°F / 46°F4.28 in rain
June79.3°F / 56.8°F5.22 in rain
July82.9°F / 60.9°F3.79 in rain
August81°F / 58.7°F4.26 in rain
September74.2°F / 50°F3.54 in rain
October60.8°F / 38.6°F2.98 in rain, 0.4 in snow
November45.6°F / 26.8°F2.51 in rain, 1.3 in snow
December32.6°F / 16.2°F1.77 in rain, 7.6 in snow
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 supermarket49% of this ZIP code's area
No vehicle and far from a supermarket8% 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 5 school districts, so the address decides which one, not the ZIP code.

Oregon School District46.6% of this ZIP code's land area
Belleville School District24.7% of this ZIP code's land area
Albany School District18.1% of this ZIP code's land area
Evansville Community School District7.4% of this ZIP code's land area
Stoughton Area School District2.8% 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 vulnerability11more vulnerable than 11% of US census tracts
Socioeconomic status7more vulnerable than 7% of US census tracts
Household characteristics25more vulnerable than 25% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

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

53575 Oregon, WI9.7 km away
53536 Evansville, WI10.9 km away
53508 Belleville, WI13 km away
53502 Albany, WI14.8 km away
53589 Stoughton, WI16.1 km away
53558 Mc Farland, WI20 km away
53574 New Glarus, WI21.6 km away
53570 Monticello, WI21.6 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.

Green County50.4% of this ZIP code's land area
Dane County41.1% of this ZIP code's land area
Rock County8.5% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area59.68 sq mi
Water area0.15 sq mi
Population density62 people per sq mi
Latitude, longitude42.8423, -89.3818

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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