Postal Codes

54648 ZIP Code

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ZIP code 54648 covers Norwalk, Wisconsin, with a population of about 1,616 and a median household income of $70,227.

Population
1,61622 per square mile
Median age
37.31.4 points below the US average
Median household income
$70,2277% below the Wisconsin median
Poverty rate
19.5%7.1 points above the US average
Typical home value
$216,120up 23.1% in five years
Median rent
$82421% below the Wisconsin median
Degree or higher
11.9%23.1 points below the US average
Homeownership
79.7%14.7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
19

Where 54648 is

Norwalk, 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

Population1,616
Median age37.3
Family households65.5%
Born outside the US11.3%
Speaks a language other than English at home25.1%
White (non-Hispanic)75.4%
Black (non-Hispanic)0.6%
Asian (non-Hispanic)0.2%
Hispanic or Latino23.1%
Veterans8.3%
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$70,227
Income per person$28,292
Poverty rate19.5%
Households on SNAP or cash assistance11.7%

Household income distribution

Under $10k4.4%
$10–15k6.0%
$15–20k1.6%
$20–25k4.9%
$25–30k1.4%
$30–35k2.8%
$35–40k7.8%
$40–45k1.2%
$45–50k5.1%
$50–60k9.0%
$60–75k9.7%
$75–100k12.4%
$100–125k10.8%
$125–150k14.5%
$150–200k5.5%
$200k or more2.8%

Income as declared to the IRS

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

Tax returns filed670
Mean adjusted gross income$61,560
Returns declaring $200,000 or more0%
Returns, under $25k25.4%
Returns, $25k–$50k26.9%
Returns, $50k–$75k20.9%
Returns, $75k–$100k10.4%
Returns, $100k–$200k16.4%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$173,000
Median gross rent$824
Rent as a share of household income23.6%
Owner-occupied79.7%
Vacant homes10.7%
Median year built1974

What the homes are

Detached house88%
Attached house3.2%
2 to 4 units4.4%
5 to 19 units1.7%
20 or more units0.3%
Mobile home2.4%
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$216,120as of 2026-07
Typical home value, 1 yeardown 4.3%
Typical home value, 5 yearsup 23.1%
Typical home value, 10 yearsup 63%
Typical home value since 2000
201620212026$225,788$132,626

$132,626 in 2016 to $216,120 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.7%
Bachelor's degree or higher11.9%
High school diploma or higher82.1%
Works from home11%
Drives to work alone69.6%
Takes public transport0%
Commutes 45 minutes or more19.2%
Health

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

Obesity46% 12.6 pts above the national average of 33.4%
Diagnosed diabetes13.8% 1.8 pts above the national average of 12%
Currently smokes19.6% 6.4 pts above the national average of 13.2%
High blood pressure36.7% 2.6 pts above the national average of 34.1%
Fair or poor general health24.2% 3.9 pts above the national average of 20.3%
No health insurance (18–64)12% 0.7 pts above the national average of 11.3%
Depression26.1% 4.2 pts above the national average of 21.9%
No leisure-time physical activity35.8% 10.4 pts above the national average of 25.4%
Arthritis31.4% 6.3 pts above the national average of 25.1%
Binge drinking17.7% 1.7 pts above the national average of 16%
Taking blood pressure medication78% 3.3 pts above the national average of 74.7%
Cancer (non-skin)8.6% 0.9 pts above the national average of 7.7%
Current asthma11.6% 1.2 pts above the national average of 10.4%
Coronary heart disease8.5% 2.3 pts above the national average of 6.2%
Routine check-up in past year76.4% same as the national average of 76.7%
Cholesterol screening83.6% 2.3 pts below the national average of 85.9%
Cognitive disability16.6% 1.8 pts above the national average of 14.8%
Colorectal screening63.9% same as the national average of 64.3%
COPD9.6% 3 pts above the national average of 6.6%
Visited a dentist57.6% 3.7 pts below the national average of 61.3%
Any disability37% 6.3 pts above the national average of 30.7%
Lacks emotional support22.2% 2.6 pts below the national average of 24.8%
Food insecurity18.3% 1.2 pts above the national average of 17.1%
Received food stamps20.5% 6.2 pts above the national average of 14.3%
Hearing disability8.8% 2.1 pts above the national average of 6.7%
High cholesterol36.5% same as the national average of 36.2%
Housing insecurity13.2% 0.6 pts below the national average of 13.8%
Independent living disability10.8% 2.4 pts above the national average of 8.4%
Lacks transport9.3% same as the national average of 9.2%
Loneliness32% 2.4 pts below the national average of 34.4%
Mammography use73.7% 2.2 pts below the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability18.3% 4.3 pts above the national average of 14%
Poor physical health (14+ days)16.8% 3.3 pts above the national average of 13.5%
Self-care disability5.2% 1.2 pts above the national average of 4%
Utility shut-off threat7.7% 1.1 pts below the national average of 8.8%
Sleeps under 7 hours32.9% 3.5 pts below the national average of 36.4%
Stroke4.3% 0.9 pts above the national average of 3.4%
All natural teeth lost19% 6 pts above the national average of 13%
Vision disability6.4% 0.8 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments19
People employed67
Annual payroll$4,315,000
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 95.3% of US census tracts
FEMA ratingRelatively High
Expected annual loss92.4 out of 100
Community resilience53.4 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 wave99.4Very High at its worst in this ZIP code
Landslide98.9Relatively Moderate at its worst in this ZIP code
Strong wind98.3Very High at its worst in this ZIP code
Hail97.7Relatively High at its worst in this ZIP code
River flooding97.1Very High at its worst in this ZIP code
Tornado89.1Relatively High at its worst in this ZIP code
Drought85.2Relatively Low at its worst in this ZIP code
Heat wave84.1Relatively High at its worst in this ZIP code
Winter weather78.1Relatively High at its worst in this ZIP code
Lightning72.3Relatively Moderate at its worst in this ZIP code
Wildfire72Relatively Low at its worst in this ZIP code
Ice storm60.3Relatively Low at its worst in this ZIP code
Hurricane29.9Very Low at its worst in this ZIP code
Earthquake7.9Very 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$70,227$75,670$78,538
Income per person$28,292$42,019$43,289
Poverty rate19.5%10.6%12.4%
Median home value$173,000$247,400$303,400
Median gross rent$824$1,045$1,348
Homeownership79.7%67.9%65%
Bachelor's degree or higher11.9%32.8%35%
Unemployment rate2.7%3.3%5.2%
Works from home11%11.6%13.5%
Born outside the US11.3%5.1%13.9%
Median age37.340.138.7
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 stationCASHTON 3NNW, WI US9.7 km away
Rain in a year37 in

Average high and low by month

January25.9°F / 8.1°F1.18 in rain
February30.6°F / 11.1°F1 in rain
March41.8°F / 21.3°F1.84 in rain
April55.8°F / 33.5°F3.82 in rain
May67.6°F / 45.1°F4.67 in rain
June77.2°F / 55.2°F5.41 in rain
July80.2°F / 59°F4.39 in rain
August78.6°F / 56.9°F4.41 in rain
September72°F / 48.3°F3.84 in rain
October58.5°F / 36.4°F2.73 in rain
November43.7°F / 26.1°F1.88 in rain
December31.1°F / 14.7°F1.5 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 supermarketNone of this ZIP code
No vehicle and far from a supermarket78% 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 4 school districts, so the address decides which one, not the ZIP code.

Norwalk-Ontario-Wilton School District65.6% of this ZIP code's land area
Sparta Area School District17.8% of this ZIP code's land area
Cashton School District11.1% of this ZIP code's land area
Tomah Area School District5.4% 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 vulnerability57more vulnerable than 57% of US census tracts
Socioeconomic status54more vulnerable than 54% of US census tracts
Household characteristics43more vulnerable than 43% of US census tracts
Racial and ethnic minority status22more vulnerable than 22% of US census tracts
Housing type and transport75more vulnerable than 75% of US census tracts
Walkability4.1 out of 20Least walkable
Nearby ZIP codes

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

54619 Cashton, WI9.9 km away
54651 Ontario, WI11.7 km away
54670 Wilton, WI13.3 km away
54656 Sparta, WI19 km away
54653 Rockland, WI21.8 km away
54667 Westby, WI22.8 km away
54662 Tunnel City, WI23.2 km away
54639 La Farge, WI23.9 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.

Monroe County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area73.81 sq mi
Water area0.04 sq mi
Population density22 people per sq mi
Latitude, longitude43.8128, -90.6801

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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