53561 ZIP Code — Merrimac, WI

Sauk County, Wisconsin

ZIP code 53561 is located in Merrimac, Wisconsin, within Sauk County. It covers approximately 36.46 square miles and serves a population of 1,891 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 608.

About ZIP code 53561

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $370,600. Owner-occupancy is high at 88%, well above the national average.

Median household income is $95,000. The poverty rate of 7% is below the national average. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.

Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.

Overall, ZIP code 53561 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,891
population
36.46
sq mi land
Standard
ZIP type
Central (CT)
timezone
53561 ZIP code map
Cities in ZIP code 53561

Below are the cities the US Postal Service accepts for ZIP code 53561. Using any city not on this list may result in mail delivery delays.

City Status
Merrimac Preferred
Nearby ZIP codes
53555 Lodi (6.7 mi) 53913 Baraboo (8 mi) 53578 Prairie Du Sac (10.4 mi) 53955 Poynette (11.4 mi) 53529 Dane (12.5 mi) 53951 North Freedom (12.7 mi) 53583 Sauk City (12.7 mi) 53901 Portage (12.9 mi) 53911 Arlington (14.8 mi) 53961 Rock Springs (15.6 mi) 53560 Mazomanie (15.9 mi) 53597 Waunakee (16.8 mi)
Demographics updated 05/2026
Population
Total population 1,891
Population density 52 / sq mi
State FIPS 55
County FIPS 111
Geography
Land area 36.46 sq mi
Water area 3.27 sq mi
Latitude 43.4000
Longitude -89.6277
Timezone Central (CT)
Area code 608
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 27.6% 38.9% 39.4%
$50k – $100k 31.4% 34.7% 33.0%
$100k – $200k 31.7% 22.3% 22.4%
Over $200k 9.3% 4.1% 5.2%

Demographics & statistics

1,891
Population
52
People per sq mi
44.2
Median age
$95,000
Median household income
$46,373
Per capita income
$370,600
Median home value
$968
Median monthly rent
87.6%
Home ownership
7.1%
Poverty rate
2.9%
Unemployment
1,035
Housing units
32.4%
Bachelor's or higher

Age distribution

Male Female
83
Under 5
85
48
5–9
49
47
10–14
47
44
15–19
45
42
20–24
42
85
25–34
86
132
35–44
135
91
45–54
92
66
55–59
67
67
60–64
69
133
65–74
136
82
75–84
84
17
85+
17
← Male
Female →

Age summary

GroupCount%
Under 1842122.3%
18 and over1,47077.7%
65 and over46924.8%
Median age44.2 years

Race & ethnicity

White 94%
Two or more races 2.6%
Hispanic or Latino 1.8%
Black or African American 1.2%
Other race 0.3%
Asian 0.1%
GroupCount%
White1,81094%
Two or more races502.6%
Hispanic or Latino341.8%
Black or African American241.2%
Other race50.3%
Asian20.1%

Household income

Income range This ZIP County avg State avg
Under $50k 27.6% 38.9% 39.4%
$50k – $100k 31.4% 34.7% 33.0%
$100k – $200k 31.7% 22.3% 22.4%
Over $200k 9.3% 4.1% 5.2%
Under $10k 1.8%
$10k–$15k 0.6%
$15k–$25k 5.7%
$25k–$35k 9.8%
$35k–$50k 8.2%
$50k–$75k 15.6%
$75k–$100k 11.2%
$100k–$150k 22.7%
$150k–$200k 11.7%
$200k+ 12.6%
Range% of households
Under $10k1.8%
$10k–$15k0.6%
$15k–$25k5.7%
$25k–$35k9.8%
$35k–$50k8.2%
$50k–$75k15.6%
$75k–$100k11.2%
$100k–$150k22.7%
$150k–$200k11.7%
$200k+12.6%
Median income$95,000

Housing

Home values

Under $50k 2.6%
$50k–$100k 1.6%
$100k–$150k 5.7%
$150k–$200k 10.3%
$200k–$300k 22.6%
$300k–$500k 23.5%
$500k–$1M 30.0%
$1M+ 3.5%

Housing overview

MetricValue
Median home value$370,600
Median rent / month$968
Owner occupied87.6%
Renter occupied12.4%
Vacant31.4%
Single-family detached84.0%
Large apartment buildings0.0%
Mobile homes4.4%
Median rooms6.0
Avg household size (owned)2.34

Year built

Era%
2020 or later0.3%
2010–20194.3%
2000–200915.8%
1990–199921.4%
1980–198912.0%
1970–197912.5%
1960–19697.1%
1950–19595.6%
1940–19492.2%
1939 or earlier18.8%

Bedrooms

Size% of units
No bedroom (studio)0.7%
1 bedroom3.3%
2 bedrooms30.4%
3 bedrooms46.2%
4 bedrooms14.4%
5+ bedrooms5.0%

Vehicles per household

Vehicles% of households
No vehicle0.4%
1 vehicle24.0%
2 vehicles43.3%
3 or more32.3%

Heating fuel

Fuel type%
Utility gas63.0%
Electricity12.9%
Propane / LP gas15.5%
Fuel oil0.1%
Wood7.5%

Households & families

Household typeCount%
Married-couple family40952.7%
Cohabiting couple688.8%
Male householder, no spouse12115.6%
Female householder, no spouse17822.9%
Households with children under 1822629.1%
Households with seniors (65+)32642.0%
Average household size2.37

Marital status

StatusMaleFemale
Never married29.1%16.4%
Married52.9%59.3%
Separated0.6%0.9%
Widowed6.3%9.2%
Divorced11.0%14.2%

Education

Less than 9th grade 1.3%
Some HS, no diploma 4.9%
HS graduate 25.6%
Some college, no degree 23.1%
Associate's degree 12.7%
Bachelor's degree 21.8%
Graduate / professional 10.6%
Metric%
HS diploma or higher93.8%
Bachelor's or higher32.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool267.8%
Kindergarten278.1%
Elementary school14242.4%
High school8425.1%
College / grad school5616.7%

Employment

Industry of employment

Education & healthcare 19.1%
Retail trade 17.7%
Construction 11.7%
Manufacturing 10.1%
Professional & management 9.1%
Arts, food & hospitality 7.4%
Finance & real estate 5.1%
Other services 4.1%
Public administration 3.8%
Wholesale trade 3.3%
Information 3.3%
Transportation & utilities 2.7%
Agriculture & mining 2.5%

Occupation

Category%
Management, business & arts37.6%
Service15.6%
Sales & office22.9%
Natural resources & construction11.1%
Production & transportation12.9%

Employment type

Type%
Private sector85.3%
Government10.2%
Self-employed4.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone77.7%
Carpool12.4%
Public transit0.0%
Walk0.4%
Work from home8.2%
Other means1.2%
Avg commute (minutes)30.8

Poverty

All people 7.1%
Under 18 years 8.8%
18 and over 6.6%
Married-couple families 4.4%
Female-led households 6.8%

Income support

Source% of households
Social Security41.5%
Retirement income34.3%
Supplemental Security7.1%
Cash public assistance3.9%
Food stamps / SNAP6.7%

Health indicators

Condition%
Obesity34.2%
High blood pressure35.9%
High cholesterol37.6%
Diabetes10.4%
Heart disease7.1%
Stroke3.2%
Asthma9.5%
Arthritis27.9%
Kidney disease3.1%
Pulmonary disease6.9%
Cancer8.2%
Behavior / access%
Smoking16.5%
Binge drinking22.8%
No physical activity20.3%
Less than 7 hrs sleep30.5%
Depression19.3%
Fair or poor health12.3%
Poor mental health12.3%
Poor physical health10.3%
No health insurance9.1%
Visited doctor (checkup)75.8%
Visited dentist69.9%
Cholesterol screening90.5%
Teeth loss10.7%

Veterans & disability

VeteransCount%
Civilian veterans14810.1%
Disability%
Any disability10.6%
Under 182.9%
18–64 years7.1%
65 and over25.4%

Health insurance coverage

Type%
Private insurance79.1%
Public insurance36.5%
No insurance5.5%
Uninsured under 192.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,72391.1%
Spanish171.0%
Other Indo-European40.2%
Asian & Pacific Islander130.8%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,87599.2%
Born in same state1,86998.8%
Born in different state1,36872.3%
Foreign born60.3%
Naturalized citizen160.8%
Not a US citizen743.8%

Ancestry

AncestryCount%
Italian28114.9%
French19910.5%
Polish1487.8%
Arab542.9%
AncestryCount%
English492.6%
Dutch181%
German60.3%
Norwegian40.2%

Technology access

Metric% of households
Computer access41.0%
Internet access92.5%

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

Frequently asked questions about ZIP code 53561

What city is ZIP code 53561 in?

ZIP code 53561 is primarily assigned to Merrimac, Wisconsin.

What county is ZIP code 53561 in?

ZIP code 53561 falls within Sauk County, Wisconsin.

Is ZIP code 53561 mostly owner-occupied?

88% of occupied units in ZIP code 53561 are owner-occupied, well above the national average.

Does ZIP code 53561 have a large retiree population?

42% of households in ZIP code 53561 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 53561?

The median home value in ZIP code 53561 is $370,600.

Does ZIP code 53561 have a large veteran population?

10% of civilians in ZIP code 53561 are veterans, above the national average of ~7%.

What timezone is ZIP code 53561 in?

ZIP code 53561 observes the CST timezone.

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