Monroe ZIP Codes — Green County, WI

There is one unique ZIP code in Monroe, Wisconsin and it is 53566. Area code: 608.

ZIP codes

152.94

sq mi land

0.01

sq mi water

608

area code

Monroe, WI ZIP code map

About Monroe, WI

Monroe is a charming city located in the state of Wisconsin, known for its unique blend of rich history and vibrant culture. Nestled in Green County, Monroe is often celebrated for its Swiss heritage and is referred to as the 'Swiss Cheese Capital of the World.' The city boasts a friendly atmosphere and offers residents and visitors a variety of recreational and cultural opportunities.

Location & geography

Monroe is situated in south-central Wisconsin, approximately 30 miles southwest of Madison, the state capital. It is bordered by several nearby cities, including Janesville to the north at about 31 miles away, Beloit to the northeast at about 35 miles, and Freeport, Illinois, to the southwest at around 25 miles. The total land area of Monroe covers 152.94 square miles, with a very small water area of just 0.01 square miles, creating a predominantly land-based landscape.

Community & economy

The character of Monroe reflects a close-knit community with a strong agricultural background and various local businesses contributing to the economy. Key industries in the area include dairy farming, manufacturing, and tourism, which attracts visitors to its historic sites and annual events. Daily life in Monroe encompasses a mix of traditional values and modern conveniences, making it a delightful place to live and visit.

Transportation

Monroe is accessible via several major highways, notably U.S. Route 69, which runs through the city, connecting it to larger urban areas. The nearest named airports are in Milwaukee and Madison, each approximately an hour's drive away, providing residents with convenient access to air travel. Public transit options are limited, but the city is well-connected for personal vehicle travel.

History

Monroe was founded in 1845, with its early economy centered around agriculture and dairy farming, reflecting its enduring Swiss influences. Over the years, Monroe has hosted significant events, such as the annual Cheese Days festival, which celebrates the city's cheese-making heritage. The city's historical landmarks, including the 1890 courthouse, further enrich Monroe's cultural tapestry and attract visitors.

Did you know?

A surprising fact about Monroe is that it houses the National Historic Cheesemaking Center, which highlights the city’s contributions to the cheese industry. Additionally, Monroe is home to the famous Green County Courthouse, known for its striking architectural design and historical significance.

ZIP codes for Monroe, WI (1)

ZIP code	City	County	Map
53566	Monroe	Green	View map

Demographics & statistics

15,037

Population

43.2

Median age

$67,959

Median household income

$39,905

Per capita income

$183,400

Median home value

$805

Median monthly rent

68.8%

Home ownership

6.1%

Poverty rate

3.1%

Unemployment

4,772

Housing units

25.2%

Bachelor's or higher

Age distribution

Male Female

397

Under 5

403

397

5–9

403

438

10–14

444

473

15–19

479

385

20–24

390

904

25–34

916

846

35–44

857

1,001

45–54

1,015

522

55–59

528

498

60–64

504

986

65–74

999

364

75–84

368

258

85+

262

← Male

Female →

Age summary

Group	Count	%
Under 18	3,168	21.1%
18 and over	11,869	78.9%
65 and over	3,237	21.5%
Median age	43.2 years

Race & ethnicity

White 90.7%

Two or more races 3.9%

Hispanic or Latino 3%

Other race 1.1%

Black or African American 1%

Asian 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	14,059	90.7%
Two or more races	599	3.9%
Hispanic or Latino	462	3%
Other race	163	1.1%
Black or African American	155	1%
Asian	51	0.3%
American Indian / Alaska Native	10	0.1%

Household income

Under $10k 2.9%

$10k–$15k 3.4%

$15k–$25k 7.7%

$25k–$35k 10.7%

$35k–$50k 12.1%

$50k–$75k 18.8%

$75k–$100k 16.3%

$100k–$150k 16.0%

$150k–$200k 6.4%

$200k+ 5.7%

Range	% of households
Under $10k	2.9%
$10k–$15k	3.4%
$15k–$25k	7.7%
$25k–$35k	10.7%
$35k–$50k	12.1%
$50k–$75k	18.8%
$75k–$100k	16.3%
$100k–$150k	16.0%
$150k–$200k	6.4%
$200k+	5.7%
Median income	$67,959

Housing

Home values

Under $50k 6.4%

$50k–$100k 8.1%

$100k–$150k 21.0%

$150k–$200k 22.8%

$200k–$300k 23.5%

$300k–$500k 14.0%

$500k–$1M 3.1%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$183,400
Median rent / month	$805
Owner occupied	68.8%
Renter occupied	31.2%
Vacant	3.3%
Single-family detached	68.3%
Large apartment buildings	5.6%
Mobile homes	8.1%
Median rooms	5.9
Avg household size (owned)	2.40

Year built

Era	%
2020 or later	0.6%
2010–2019	2.3%
2000–2009	6.8%
1990–1999	10.6%
1980–1989	12.4%
1970–1979	17.3%
1960–1969	11.1%
1950–1959	9.0%
1940–1949	4.3%
1939 or earlier	25.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	8.0%
2 bedrooms	29.2%
3 bedrooms	44.7%
4 bedrooms	14.5%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	4.4%
1 vehicle	35.2%
2 vehicles	38.4%
3 or more	22.0%

Heating fuel

Fuel type	%
Utility gas	62.5%
Electricity	14.6%
Propane / LP gas	14.4%
Fuel oil	4.5%
Wood	2.1%
No fuel used	1.3%

Households & families

Household type	Count	%
Married-couple family	2,831	42.8%
Cohabiting couple	517	7.8%
Male householder, no spouse	1,508	22.8%
Female householder, no spouse	1,756	26.6%
Households with children under 18	1,798	27.2%
Households with seniors (65+)	2,329	35.2%
Average household size	2.23

Marital status

Status	Male	Female
Never married	33.0%	24.7%
Married	48.8%	45.3%
Separated	0.6%	1.4%
Widowed	4.0%	10.2%
Divorced	13.7%	18.3%

Education

Less than 9th grade 3.0%

Some HS, no diploma 4.8%

HS graduate 32.4%

Some college, no degree 22.0%

Associate's degree 12.7%

Bachelor's degree 16.3%

Graduate / professional 8.9%

Metric	%
HS diploma or higher	92.2%
Bachelor's or higher	25.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	161	5.6%
Kindergarten	178	6.2%
Elementary school	1,258	43.7%
High school	716	24.9%
College / grad school	566	19.7%

Employment

Industry of employment

Manufacturing 25.4%

Education & healthcare 21.5%

Retail trade 14.3%

Construction 8.3%

Professional & management 6.6%

Arts, food & hospitality 6.0%

Agriculture & mining 3.2%

Transportation & utilities 3.2%

Other services 2.9%

Public administration 2.9%

Wholesale trade 2.6%

Finance & real estate 2.1%

Information 1.1%

Occupation

Category	%
Management, business & arts	34.6%
Service	12.8%
Sales & office	18.7%
Natural resources & construction	11.5%
Production & transportation	22.5%

Employment type

Type	%
Private sector	83.8%
Government	10.3%
Self-employed	5.5%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	79.8%
Carpool	6.9%
Public transit	0.0%
Walk	2.6%
Other means	0.4%
Avg commute (minutes)	19.9

Poverty

All people 6.1%

Under 18 years 5.8%

18 and over 6.2%

Married-couple families 1.4%

Female-led households 15.1%

Income support

Source	% of households
Social Security	37.5%
Retirement income	30.1%
Supplemental Security	3.2%
Cash public assistance	2.8%
Food stamps / SNAP	9.9%

Health indicators

Condition	%
High blood pressure	33.1%
High cholesterol	33.5%
Heart disease	6.8%
Stroke	3.2%
Asthma	9.6%
Arthritis	26.2%
Kidney disease	3.1%
Pulmonary disease	6.8%
Cancer	7.7%

Behavior / access	%
Binge drinking	23.5%
No physical activity	22.1%
Less than 7 hrs sleep	29.9%
Fair or poor health	12.9%
Poor mental health	13.3%
Poor physical health	10.5%
No health insurance	10.7%
Visited doctor (checkup)	73.3%
Visited dentist	68.1%
Cholesterol screening	87.6%
Teeth loss	13.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	822	6.9%

Disability	%
Any disability	13.5%
Under 18	4.4%
18–64 years	12.0%
65 and over	26.8%

Health insurance coverage

Type	%
Private insurance	76.5%
Public insurance	37.3%
Uninsured under 19	4.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,237	94.7%
Spanish	238	1.7%
Other Indo-European	190	1.3%
Asian & Pacific Islander	25	0.2%
Other languages	23	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	14,722	97.9%
Born in same state	14,651	97.4%
Born in different state	10,834	72.0%
Foreign born	71	0.5%
Naturalized citizen	315	2.1%
Not a US citizen	211	67.0%

Ancestry

Ancestry	Count	%
Polish	2,230	14.8%
Italian	1,703	11.3%
French	1,081	7.2%
Arab	532	3.5%
English	219	1.5%

Ancestry	Count	%
Dutch	114	0.8%
German	40	0.3%
Norwegian	20	0.1%
Irish	6	0%

Technology access

Metric	% of households
Computer access	44.0%
Internet access	90.5%

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

Frequently asked questions

What ZIP codes does Monroe, WI have?

Monroe, WI has one ZIP code: 53566. Each ZIP code serves a distinct delivery area within the city and surrounding region.