53057 ZIP Code — Mount Calvary, WI

Fond Du Lac County, Wisconsin

ZIP code 53057 is located in Mount Calvary, Wisconsin, within Fond Du Lac County. It covers approximately 31.56 square miles and serves a population of 1,846 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 920.

About ZIP code 53057

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $220,400. Owner-occupancy is high at 95%, well above the national average.

Median household income is $98,750. The poverty rate of 5% is below the national average. 46% 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 23 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 53057 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,846
population
31.56
sq mi land
Standard
ZIP type
Central (CT)
timezone
53057 ZIP code map
Cities in ZIP code 53057

Below are the cities the US Postal Service accepts for ZIP code 53057. Using any city not on this list may result in mail delivery delays.

City Status
Mount Calvary Preferred
Nearby ZIP codes
53079 Saint Cloud (3.1 mi) 54935 Fond Du Lac (6.1 mi) 53049 Malone (6.6 mi) 53019 Eden (6.9 mi) 53023 Glenbeulah (7.5 mi) 53010 Campbellsport (11.5 mi) 54937 Fond Du Lac (12.7 mi) 53073 Plymouth (13 mi) 53011 Cascade (13.3 mi) 53061 New Holstein (13.5 mi) 53020 Elkhart Lake (13.5 mi) 53062 New Holstein (13.6 mi)
Demographics updated 05/2026
Population
Total population 1,846
Population density 58 / sq mi
State FIPS 55
County FIPS 039
Geography
Land area 31.56 sq mi
Water area 0.45 sq mi
Latitude 43.7955
Longitude -88.2572
Timezone Central (CT)
Area code 920
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 26.3% 37.3% 39.4%
$50k – $100k 41.6% 35.3% 33.0%
$100k – $200k 26.2% 24.2% 22.4%
Over $200k 5.9% 3.3% 5.2%

Demographics & statistics

1,846
Population
58
People per sq mi
49.7
Median age
$98,750
Median household income
$35,205
Per capita income
$220,400
Median home value
$763
Median monthly rent
94.5%
Home ownership
4.8%
Poverty rate
4.0%
Unemployment
698
Housing units
19.7%
Bachelor's or higher

Age distribution

Male Female
57
Under 5
55
63
5–9
61
52
10–14
50
56
15–19
53
39
20–24
38
71
25–34
67
100
35–44
95
90
45–54
85
78
55–59
75
73
60–64
70
160
65–74
153
67
75–84
63
38
85+
37
← Male
Female →

Age summary

GroupCount%
Under 1841522.5%
18 and over1,43177.5%
65 and over51828.1%
Median age49.7 years

Race & ethnicity

White 96.2%
Hispanic or Latino 1.7%
Two or more races 1%
Other race 0.8%
Black or African American 0.3%
American Indian / Alaska Native 0.1%
GroupCount%
White1,80696.2%
Hispanic or Latino311.7%
Two or more races191%
Other race150.8%
Black or African American50.3%
American Indian / Alaska Native10.1%

Household income

Income range This ZIP County avg State avg
Under $50k 26.3% 37.3% 39.4%
$50k – $100k 41.6% 35.3% 33.0%
$100k – $200k 26.2% 24.2% 22.4%
Over $200k 5.9% 3.3% 5.2%
Under $10k 2.0%
$10k–$15k 0.3%
$15k–$25k 2.4%
$25k–$35k 6.3%
$35k–$50k 9.2%
$50k–$75k 12.8%
$75k–$100k 18.1%
$100k–$150k 35.6%
$150k–$200k 9.2%
$200k+ 4.1%
Range% of households
Under $10k2.0%
$10k–$15k0.3%
$15k–$25k2.4%
$25k–$35k6.3%
$35k–$50k9.2%
$50k–$75k12.8%
$75k–$100k18.1%
$100k–$150k35.6%
$150k–$200k9.2%
$200k+4.1%
Median income$98,750

Housing

Home values

Under $50k 1.5%
$50k–$100k 0.9%
$100k–$150k 18.4%
$150k–$200k 12.7%
$200k–$300k 50.2%
$300k–$500k 12.2%
$500k–$1M 3.8%
$1M+ 0.5%

Housing overview

MetricValue
Median home value$220,400
Median rent / month$763
Owner occupied94.5%
Renter occupied5.5%
Vacant4.6%
Single-family detached93.8%
Large apartment buildings0.4%
Mobile homes0.7%
Median rooms6.4
Avg household size (owned)2.50

Year built

Era%
2020 or later0.0%
2010–20191.5%
2000–20095.8%
1990–19999.0%
1980–19898.8%
1970–197912.2%
1960–196924.0%
1950–19594.5%
1940–19494.2%
1939 or earlier30.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom4.9%
2 bedrooms12.6%
3 bedrooms56.3%
4 bedrooms19.9%
5+ bedrooms6.2%

Vehicles per household

Vehicles% of households
No vehicle2.1%
1 vehicle14.1%
2 vehicles52.9%
3 or more30.9%

Heating fuel

Fuel type%
Utility gas36.6%
Electricity1.8%
Propane / LP gas46.1%
Fuel oil8.3%
Wood6.8%

Households & families

Household typeCount%
Married-couple family54377.2%
Cohabiting couple344.8%
Male householder, no spouse649.1%
Female householder, no spouse628.8%
Households with children under 1817625.0%
Households with seniors (65+)30843.8%
Average household size2.45

Marital status

StatusMaleFemale
Never married30.4%14.8%
Married57.7%72.1%
Separated0.3%0.0%
Widowed6.1%7.3%
Divorced5.6%5.8%

Education

Less than 9th grade 0.8%
Some HS, no diploma 5.2%
HS graduate 49.5%
Some college, no degree 14.9%
Associate's degree 9.8%
Bachelor's degree 12.2%
Graduate / professional 7.6%
Metric%
HS diploma or higher93.9%
Bachelor's or higher19.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool4411.5%
Kindergarten225.8%
Elementary school15440.3%
High school8422.0%
College / grad school7820.4%

Employment

Industry of employment

Education & healthcare 19.2%
Manufacturing 17.9%
Construction 15.8%
Retail trade 10.3%
Agriculture & mining 9.8%
Professional & management 8.2%
Transportation & utilities 4.4%
Arts, food & hospitality 4.1%
Finance & real estate 4.0%
Other services 2.8%
Public administration 2.3%
Information 0.7%
Wholesale trade 0.6%

Occupation

Category%
Management, business & arts36.3%
Service13.5%
Sales & office14.9%
Natural resources & construction19.7%
Production & transportation15.6%

Employment type

Type%
Private sector78.3%
Government7.7%
Self-employed11.5%
Unpaid family workers2.5%

Commute

Method%
Drive alone77.4%
Carpool3.3%
Public transit0.0%
Walk6.3%
Work from home11.4%
Other means1.6%
Avg commute (minutes)23.3

Poverty

All people 4.8%
Under 18 years 3.0%
18 and over 5.4%
Married-couple families 1.1%
Female-led households 0.0%

Income support

Source% of households
Social Security46.4%
Retirement income38.8%
Supplemental Security0.7%
Cash public assistance0.0%
Food stamps / SNAP0.7%

Health indicators

Condition%
Obesity33.7%
High blood pressure32.9%
High cholesterol35.2%
Diabetes8.8%
Heart disease6.7%
Stroke3.1%
Asthma9.2%
Arthritis26.4%
Kidney disease3.0%
Pulmonary disease6.2%
Cancer8.3%
Behavior / access%
Smoking15.4%
Binge drinking23.1%
No physical activity19.9%
Less than 7 hrs sleep30.8%
Depression19.0%
Fair or poor health11.5%
Poor mental health12.4%
Poor physical health9.7%
No health insurance9.4%
Visited doctor (checkup)75.5%
Visited dentist71.1%
Cholesterol screening88.6%
Teeth loss11.1%

Veterans & disability

VeteransCount%
Civilian veterans1278.9%
Disability%
Any disability7.8%
Under 184.6%
18–64 years3.5%
65 and over19.6%

Health insurance coverage

Type%
Private insurance80.0%
Public insurance37.7%
No insurance2.6%
Uninsured under 191.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,73493.9%
Spanish60.3%
Other Indo-European40.2%
Asian & Pacific Islander20.1%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,84299.8%
Born in same state1,82698.9%
Born in different state1,64389.0%
Foreign born160.9%
Naturalized citizen40.2%
Not a US citizen4100.0%

Ancestry

AncestryCount%
Italian1558.4%
Arab603.3%
French392.1%
Polish351.9%
AncestryCount%
English140.8%
German50.3%
Irish30.2%

Technology access

Metric% of households
Computer access38.1%
Internet access95.3%

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

Frequently asked questions about ZIP code 53057

What city is ZIP code 53057 in?

ZIP code 53057 is primarily assigned to Mount Calvary, Wisconsin.

What county is ZIP code 53057 in?

ZIP code 53057 falls within Fond Du Lac County, Wisconsin.

Is ZIP code 53057 mostly owner-occupied?

95% of occupied units in ZIP code 53057 are owner-occupied, well above the national average.

Does ZIP code 53057 have an older population?

28% of residents in ZIP code 53057 are 65 or older, above the national average of ~17%.

Does ZIP code 53057 have a large retiree population?

46% of households in ZIP code 53057 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 53057?

ZIP code 53057 has an estimated population of 1,846 residents, with a density of 58 people per square mile.

What timezone is ZIP code 53057 in?

ZIP code 53057 observes the CST timezone.

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