Berlin ZIP Codes — Green Lake County, WI

There is one unique ZIP code in Berlin, Wisconsin and it is 54923. Area code: 920.

ZIP codes

135.66

sq mi land

3.08

sq mi water

920

area code

Berlin, WI ZIP code map

About Berlin, WI

Berlin, Wisconsin, is a charming city located in Green Lake County. It offers a small-town atmosphere coupled with a rich history and friendly community. Known for its beautiful landscapes and recreational activities, Berlin attracts visitors looking to experience the essence of Wisconsin living.

Location & geography

Berlin is situated in south-central Wisconsin, surrounded by picturesque landscapes and numerous lakes. It lies approximately 20 miles southeast of the larger city of Oshkosh and about 30 miles north of Madison, making it an appealing locale for those seeking both tranquility and accessibility. The city covers a total land area of 135.66 square miles, with an additional 3.08 square miles consisting of water, contributing to its scenic beauty.

Community & economy

The community in Berlin is characterized by its close-knit environment and strong sense of belonging. The city thrives on various industries, including manufacturing, agriculture, and tourism, providing residents with a stable economy and diverse job opportunities. Daily life in Berlin often revolves around community events, local festivals, and outdoor activities, reflecting a vibrant cultural tapestry.

Transportation

Berlin is accessible via several local roads and is served by U.S. Highway 49, which connects it to major regional hubs. The nearest major airport is Austin Straubel International Airport in Green Bay, located about 60 miles to the northeast. Public transit options may be limited, but the city’s structure promotes walkability and community engagement.

History

Berlin was founded in the mid-19th century and has a rich history tied to the fur trade and agriculture that shaped its early economy. Over the years, it developed into a hub for local industries, particularly woodworking and machine shops, which contributed significantly to the city’s growth. Key events in its history include the establishment of local businesses that have since become staples of the community.

Did you know?

One surprising fact about Berlin is that it was originally named after the capital of Germany due to its German settlers. Additionally, the city is home to the Berlin Lanes, which offer a popular recreational bowling facility that draws both locals and visitors alike.

ZIP codes for Berlin, WI (1)

ZIP code	City	County	Map
54923	Berlin	Green Lake	View map

Demographics & statistics

8,947

Population

43.0

Median age

$65,369

Median household income

$32,898

Per capita income

$168,400

Median home value

$786

Median monthly rent

74.1%

Home ownership

11.9%

Poverty rate

2.6%

Unemployment

3,195

Housing units

21.7%

Bachelor's or higher

Age distribution

Male Female

224

Under 5

210

267

5–9

250

353

10–14

332

281

15–19

265

250

20–24

235

496

25–34

466

539

35–44

507

617

45–54

579

350

55–59

329

398

60–64

375

480

65–74

452

231

75–84

218

125

85+

118

← Male

Female →

Age summary

Group	Count	%
Under 18	1,964	22.0%
18 and over	6,983	78.0%
65 and over	1,624	18.2%
Median age	43.0 years

Race & ethnicity

White 89.8%

Hispanic or Latino 3.2%

Two or more races 2.2%

Other race 2%

Asian 1.2%

Black or African American 0.8%

American Indian / Alaska Native 0.5%

Native Hawaiian / Pacific Islander 0.2%

Group	Count	%
White	8,300	89.8%
Hispanic or Latino	293	3.2%
Two or more races	204	2.2%
Other race	187	2%
Asian	114	1.2%
Black or African American	72	0.8%
American Indian / Alaska Native	49	0.5%
Native Hawaiian / Pacific Islander	21	0.2%

Household income

Under $10k 2.7%

$10k–$15k 1.8%

$15k–$25k 9.2%

$25k–$35k 11.8%

$35k–$50k 10.6%

$50k–$75k 21.2%

$75k–$100k 16.1%

$100k–$150k 17.3%

$150k–$200k 5.4%

$200k+ 3.9%

Range	% of households
Under $10k	2.7%
$10k–$15k	1.8%
$15k–$25k	9.2%
$25k–$35k	11.8%
$35k–$50k	10.6%
$50k–$75k	21.2%
$75k–$100k	16.1%
$100k–$150k	17.3%
$150k–$200k	5.4%
$200k+	3.9%
Median income	$65,369

Housing

Home values

Under $50k 3.1%

$50k–$100k 14.3%

$100k–$150k 25.9%

$150k–$200k 18.0%

$200k–$300k 21.1%

$300k–$500k 14.5%

$500k–$1M 1.5%

$1M+ 1.4%

Housing overview

Metric	Value
Median home value	$168,400
Median rent / month	$786
Owner occupied	74.1%
Renter occupied	25.9%
Vacant	10.0%
Single-family detached	77.9%
Large apartment buildings	4.7%
Mobile homes	2.6%
Median rooms	6.3
Avg household size (owned)	2.43

Year built

Era	%
2020 or later	0.0%
2010–2019	3.3%
2000–2009	12.1%
1990–1999	13.4%
1980–1989	6.6%
1970–1979	14.5%
1960–1969	8.2%
1950–1959	7.2%
1940–1949	6.0%
1939 or earlier	28.7%

Bedrooms

Size	% of units
No bedroom (studio)	3.1%
1 bedroom	5.6%
2 bedrooms	21.5%
3 bedrooms	43.3%
4 bedrooms	18.9%
5+ bedrooms	7.6%

Vehicles per household

Vehicles	% of households
No vehicle	5.0%
1 vehicle	27.3%
2 vehicles	37.6%
3 or more	30.1%

Heating fuel

Fuel type	%
Utility gas	55.3%
Electricity	15.0%
Propane / LP gas	22.1%
Fuel oil	0.6%
Wood	5.7%
Solar	0.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	1,826	48.7%
Cohabiting couple	326	8.7%
Male householder, no spouse	829	22.1%
Female householder, no spouse	769	20.5%
Households with children under 18	1,062	28.3%
Households with seniors (65+)	1,140	30.4%
Average household size	2.36

Marital status

Status	Male	Female
Never married	33.7%	20.1%
Married	51.1%	51.5%
Separated	0.8%	0.8%
Widowed	3.9%	13.3%
Divorced	10.5%	14.3%

Education

Less than 9th grade 1.5%

Some HS, no diploma 6.2%

HS graduate 40.1%

Some college, no degree 23.6%

Associate's degree 6.9%

Bachelor's degree 15.2%

Graduate / professional 6.5%

Metric	%
HS diploma or higher	92.3%
Bachelor's or higher	21.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	147	7.6%
Kindergarten	67	3.5%
Elementary school	988	51.4%
High school	453	23.6%
College / grad school	267	13.9%

Employment

Industry of employment

Manufacturing 27.1%

Education & healthcare 18.2%

Retail trade 15.6%

Construction 7.0%

Professional & management 6.0%

Arts, food & hospitality 5.6%

Public administration 5.3%

Finance & real estate 4.1%

Transportation & utilities 3.5%

Other services 2.8%

Wholesale trade 2.5%

Agriculture & mining 2.3%

Information 0.1%

Occupation

Category	%
Management, business & arts	28.5%
Service	13.0%
Sales & office	18.8%
Natural resources & construction	13.5%
Production & transportation	26.2%

Employment type

Type	%
Private sector	82.4%
Government	12.5%
Self-employed	5.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.9%
Carpool	7.1%
Public transit	0.6%
Walk	2.8%
Other means	1.3%
Avg commute (minutes)	22.0

Poverty

All people 11.9%

Under 18 years 18.5%

18 and over 10.1%

Married-couple families 2.5%

Female-led households 24.9%

Income support

Source	% of households
Social Security	38.2%
Retirement income	26.1%
Supplemental Security	4.1%
Cash public assistance	3.1%
Food stamps / SNAP	14.5%

Health indicators

Condition	%
High blood pressure	33.7%
High cholesterol	34.5%
Heart disease	7.1%
Stroke	3.4%
Asthma	9.9%
Arthritis	26.8%
Kidney disease	3.2%
Pulmonary disease	7.5%
Cancer	7.3%

Behavior / access	%
Binge drinking	22.6%
No physical activity	23.0%
Less than 7 hrs sleep	31.2%
Fair or poor health	14.4%
Poor mental health	13.8%
Poor physical health	11.3%
No health insurance	11.8%
Visited doctor (checkup)	74.9%
Visited dentist	65.6%
Cholesterol screening	87.0%
Teeth loss	14.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	677	9.7%

Disability	%
Any disability	16.0%
Under 18	7.2%
18–64 years	13.1%
65 and over	36.5%

Health insurance coverage

Type	%
Private insurance	71.9%
Public insurance	39.0%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,513	95.1%
Spanish	167	2.0%
Other Indo-European	133	1.6%
Asian & Pacific Islander	34	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,725	97.5%
Born in same state	8,597	96.1%
Born in different state	7,328	81.9%
Foreign born	128	1.4%
Naturalized citizen	222	2.5%
Not a US citizen	103	46.4%

Ancestry

Ancestry	Count	%
Italian	994	11.1%
French	634	7.1%
Arab	317	3.5%
Polish	304	3.4%
English	248	2.8%

Ancestry	Count	%
German	64	0.7%
Dutch	57	0.6%
Irish	30	0.3%
Norwegian	1	0%

Technology access

Metric	% of households
Computer access	41.9%
Internet access	91.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Berlin, WI have?

Berlin, WI has one ZIP code: 54923. Each ZIP code serves a distinct delivery area within the city and surrounding region.