Postal Codes

54923 ZIP Code

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ZIP code 54923 covers Berlin, Wisconsin, with a population of about 8,850 and a median household income of $63,750.

Population
8,85065 per square mile
Median age
43.44.7 points above the US average
Median household income
$63,75016% below the Wisconsin median
Poverty rate
12.2%about the US average
Typical home value
$255,195up 42.6% in five years
Median rent
$81522% below the Wisconsin median
Degree or higher
19.5%15.5 points below the US average
Homeownership
70.2%5.2 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
202

Where 54923 is

Berlin, 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

Population8,850
Median age43.4
Family households65.9%
Born outside the US1.9%
Speaks a language other than English at home5.5%
White (non-Hispanic)85.8%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)1.1%
Hispanic or Latino9.7%
Veterans8.9%
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$63,750
Income per person$33,208
Poverty rate12.2%
Households on SNAP or cash assistance16.1%

Household income distribution

Under $10k4.1%
$10–15k1.7%
$15–20k5.3%
$20–25k3.4%
$25–30k4.7%
$30–35k6.5%
$35–40k4.1%
$40–45k3.1%
$45–50k5.1%
$50–60k9.1%
$60–75k11.6%
$75–100k13.6%
$100–125k11.6%
$125–150k6.8%
$150–200k5.2%
$200k or more4.2%

Income as declared to the IRS

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

Tax returns filed4,340
Mean adjusted gross income$60,933
Returns declaring $200,000 or more2.3%
Returns, under $25k29.7%
Returns, $25k–$50k25.6%
Returns, $50k–$75k16.6%
Returns, $75k–$100k10.8%
Returns, $100k–$200k15.0%
Returns, $200k or more2.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$180,400
Median gross rent$815
Rent as a share of household income26.8%
Owner-occupied70.2%
Vacant homes8.8%
Median year built1971

What the homes are

Detached house74.7%
Attached house1.6%
2 to 4 units7.3%
5 to 19 units9.4%
20 or more units5.2%
Mobile home1.7%
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$255,195as of 2026-07
Typical home value, 1 yearup 6.4%
Typical home value, 5 yearsup 42.6%
Typical home value, 10 yearsup 105.2%
Typical home value since 2000
201220192026$255,195$107,197

$113,953 in 2012 to $255,195 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.9%
Bachelor's degree or higher19.5%
High school diploma or higher91.9%
Works from home7.1%
Drives to work alone80.6%
Takes public transport0.7%
Commutes 45 minutes or more9.8%
Health

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

Obesity40.9% 7.5 pts above the national average of 33.4%
Diagnosed diabetes13.4% 1.4 pts above the national average of 12%
Currently smokes17.1% 3.9 pts above the national average of 13.2%
High blood pressure36.6% 2.5 pts above the national average of 34.1%
Fair or poor general health21.2% 0.9 pts above the national average of 20.3%
No health insurance (18–64)9.6% 1.7 pts below the national average of 11.3%
Depression23.9% 2 pts above the national average of 21.9%
No leisure-time physical activity32.9% 7.5 pts above the national average of 25.4%
Arthritis31% 5.9 pts above the national average of 25.1%
Binge drinking17.8% 1.8 pts above the national average of 16%
Taking blood pressure medication79.6% 4.9 pts above the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease8.2% 2 pts above the national average of 6.2%
Routine check-up in past year77.3% 0.6 pts above the national average of 76.7%
Cholesterol screening85.3% 0.6 pts below the national average of 85.9%
Cognitive disability14.8% same as the national average of 14.8%
Colorectal screening68.5% 4.2 pts above the national average of 64.3%
COPD8.7% 2.1 pts above the national average of 6.6%
Visited a dentist64.2% 2.9 pts above the national average of 61.3%
Any disability34.8% 4.1 pts above the national average of 30.7%
Lacks emotional support21.2% 3.6 pts below the national average of 24.8%
Food insecurity14.6% 2.5 pts below the national average of 17.1%
Received food stamps16.2% 1.9 pts above the national average of 14.3%
Hearing disability8.8% 2.1 pts above the national average of 6.7%
High cholesterol36% same as the national average of 36.2%
Housing insecurity11% 2.8 pts below the national average of 13.8%
Independent living disability9.7% 1.3 pts above the national average of 8.4%
Lacks transport7.7% 1.5 pts below the national average of 9.2%
Loneliness30.8% 3.6 pts below the national average of 34.4%
Mammography use76.4% 0.5 pts above the national average of 75.9%
Poor mental health (14+ days)16.6% same as the national average of 16.8%
Mobility disability16.8% 2.8 pts above the national average of 14%
Poor physical health (14+ days)15.2% 1.7 pts above the national average of 13.5%
Self-care disability4.5% 0.5 pts above the national average of 4%
Utility shut-off threat6.4% 2.4 pts below the national average of 8.8%
Sleeps under 7 hours33.3% 3.1 pts below the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost12.6% same as the national average of 13%
Vision disability5.6% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments202
People employed3,195
Annual payroll$183,107,000
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 72.1% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss73.4 out of 100
Community resilience57.2 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.

Hail96.6Very High at its worst in this ZIP code
Cold wave93.6Very High at its worst in this ZIP code
Strong wind91.5Relatively High at its worst in this ZIP code
Drought89.2Relatively Moderate at its worst in this ZIP code
Tornado83.8Very High at its worst in this ZIP code
Wildfire81.7Relatively Low at its worst in this ZIP code
Landslide75.6Relatively Low at its worst in this ZIP code
River flooding74.1Relatively High at its worst in this ZIP code
Winter weather66.3Relatively Moderate at its worst in this ZIP code
Heat wave58Relatively Moderate at its worst in this ZIP code
Lightning57.3Relatively Moderate at its worst in this ZIP code
Ice storm36.8Relatively Low at its worst in this ZIP code
Hurricane26.3Very Low at its worst in this ZIP code
Earthquake13.8Very 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$63,750$75,670$78,538
Income per person$33,208$42,019$43,289
Poverty rate12.2%10.6%12.4%
Median home value$180,400$247,400$303,400
Median gross rent$815$1,045$1,348
Homeownership70.2%67.9%65%
Bachelor's degree or higher19.5%32.8%35%
Unemployment rate2.9%3.3%5.2%
Works from home7.1%11.6%13.5%
Born outside the US1.9%5.1%13.9%
Median age43.440.138.7
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 stationBERLIN WWTP, WI US1.6 km away
Rain in a year35 in

Average high and low by month

January25.4°F / 8.3°F1.39 in rain
February29.6°F / 10.8°F1.28 in rain
March41°F / 21.2°F2.83 in rain
April54.5°F / 33.1°F3.57 in rain
May67.2°F / 45.8°F4.22 in rain
June77°F / 56°F4.2 in rain
July81.3°F / 59.8°F4.51 in rain
August79.5°F / 57.8°F3.64 in rain
September72.1°F / 49.4°F3.49 in rain
October58.2°F / 37.8°F2.74 in rain
November42.8°F / 26.1°F1.99 in rain
December30.9°F / 15.4°F1.35 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 supermarket9% of this ZIP code's area
No vehicle and far from a supermarket38% 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 2 school districts, so the address decides which one, not the ZIP code.

Berlin Area School District97.1% of this ZIP code's land area
Princeton School District2.5% 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 vulnerability47more vulnerable than 47% of US census tracts
Socioeconomic status42more vulnerable than 42% of US census tracts
Household characteristics47more vulnerable than 47% of US census tracts
Racial and ethnic minority status17more vulnerable than 17% of US census tracts
Housing type and transport64more vulnerable than 64% of US census tracts
Walkability5 out of 20Least walkable
Nearby ZIP codes

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

54934 Eureka, WI9.2 km away
54970 Redgranite, WI14.1 km away
54980 Waukau, WI14.3 km away
54941 Green Lake, WI14.8 km away
54971 Ripon, WI16.9 km away
54963 Omro, WI17.1 km away
54967 Poy Sippi, WI17.4 km away
54968 Princeton, WI20.4 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.

Waushara County48.4% of this ZIP code's land area
Green Lake County43.2% of this ZIP code's land area
Winnebago County8.4% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area135.66 sq mi
Water area3.08 sq mi
Population density65 people per sq mi
Latitude, longitude43.9769, -88.9490

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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