54937 ZIP Code — Fond Du Lac, WI

Fond Du Lac County, Wisconsin

ZIP code 54937 is located in Fond Du Lac, Wisconsin, within Fond Du Lac County. It covers approximately 120.11 square miles and serves a population of 21,029 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 920.

About ZIP code 54937

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $232,300. Owner-occupancy is high at 76%, well above the national average.

Median household income is $77,639. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 21 minutes is near the national average.

Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.

Overall, ZIP code 54937 reflects a community defined by high homeownership and a significant Social Security-dependent population.

21,029

population

120.11

sq mi land

Standard

ZIP type

Central (CT)

timezone

54937 ZIP code map

Cities in ZIP code 54937

Below are the cities the US Postal Service accepts for ZIP code 54937. Using any city not on this list may result in mail delivery delays.

City	Status
Fond Du Lac	Acceptable
Fond Du Lac	Preferred

Nearby ZIP codes

53065 Oakfield (6.1 mi) 54932 Eldorado (6.6 mi) 54935 Fond Du Lac (7 mi) 54974 Rosendale (7.7 mi) 54979 Van Dyne (8.1 mi) 53006 Brownsville (10.1 mi) 53019 Eden (10.8 mi) 53057 Mount Calvary (12.7 mi) 53048 Lomira (12.9 mi) 53919 Brandon (13.2 mi) 53049 Malone (13.3 mi) 54902 Oshkosh (14.1 mi)

Demographics updated 05/2026

Population
Total population	21,029
Population density	175 / sq mi
State FIPS	55
County FIPS	039

Geography
Land area	120.11 sq mi
Water area	0.88 sq mi
Latitude	43.7623
Longitude	-88.5078
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	31.9%	37.3%	39.4%
$50k – $100k	34.4%	35.3%	33.0%
$100k – $200k	28.5%	24.2%	22.4%
Over $200k	5.2%	3.3%	5.2%

Demographics & statistics

21,029

Population

175

People per sq mi

45.8

Median age

$77,639

Median household income

$40,659

Per capita income

$232,300

Median home value

$1,002

Median monthly rent

75.8%

Home ownership

8.1%

Poverty rate

3.7%

Unemployment

6,964

Housing units

24.5%

Bachelor's or higher

Age distribution

Male Female

370

Under 5

380

483

5–9

495

643

10–14

661

616

15–19

632

610

20–24

627

1,146

25–34

1,176

1,234

35–44

1,266

1,447

45–54

1,485

773

55–59

794

892

60–64

915

1,338

65–74

1,373

657

75–84

674

169

85+

173

← Male

Female →

Age summary

Group	Count	%
Under 18	3,828	18.2%
18 and over	17,201	81.8%
65 and over	4,384	20.8%
Median age	45.8 years

Race & ethnicity

White 85.7%

Two or more races 6.1%

Hispanic or Latino 5.4%

Black or African American 1%

Asian 0.9%

Other race 0.6%

American Indian / Alaska Native 0.4%

Group	Count	%
White	19,043	85.7%
Two or more races	1,346	6.1%
Hispanic or Latino	1,189	5.4%
Black or African American	227	1%
Asian	202	0.9%
Other race	127	0.6%
American Indian / Alaska Native	84	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	31.9%	37.3%	39.4%
$50k – $100k	34.4%	35.3%	33.0%
$100k – $200k	28.5%	24.2%	22.4%
Over $200k	5.2%	3.3%	5.2%

Under $10k 3.3%

$10k–$15k 2.4%

$15k–$25k 5.5%

$25k–$35k 9.0%

$35k–$50k 7.8%

$50k–$75k 19.3%

$75k–$100k 13.0%

$100k–$150k 23.0%

$150k–$200k 9.0%

$200k+ 7.7%

Range	% of households
Under $10k	3.3%
$10k–$15k	2.4%
$15k–$25k	5.5%
$25k–$35k	9.0%
$35k–$50k	7.8%
$50k–$75k	19.3%
$75k–$100k	13.0%
$100k–$150k	23.0%
$150k–$200k	9.0%
$200k+	7.7%
Median income	$77,639

Housing

Home values

Under $50k 8.1%

$50k–$100k 8.2%

$100k–$150k 11.4%

$150k–$200k 16.3%

$200k–$300k 19.2%

$300k–$500k 29.2%

$500k–$1M 6.3%

$1M+ 1.2%

Housing overview

Metric	Value
Median home value	$232,300
Median rent / month	$1,002
Owner occupied	75.8%
Renter occupied	24.2%
Vacant	6.3%
Single-family detached	68.0%
Large apartment buildings	4.3%
Mobile homes	9.8%
Median rooms	6.1
Avg household size (owned)	2.51

Year built

Era	%
2020 or later	0.4%
2010–2019	11.7%
2000–2009	16.7%
1990–1999	16.6%
1980–1989	6.7%
1970–1979	15.3%
1960–1969	8.7%
1950–1959	5.0%
1940–1949	4.5%
1939 or earlier	14.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	7.8%
2 bedrooms	24.7%
3 bedrooms	45.2%
4 bedrooms	19.6%
5+ bedrooms	2.2%

Vehicles per household

Vehicles	% of households
No vehicle	4.6%
1 vehicle	29.6%
2 vehicles	37.6%
3 or more	28.2%

Heating fuel

Fuel type	%
Utility gas	66.3%
Electricity	13.1%
Propane / LP gas	14.3%
Fuel oil	2.5%
Wood	0.8%
No fuel used	2.8%

Households & families

Household type	Count	%
Married-couple family	4,828	57.2%
Cohabiting couple	568	6.7%
Male householder, no spouse	1,276	15.1%
Female householder, no spouse	1,773	21.0%
Households with children under 18	1,807	21.4%
Households with seniors (65+)	3,028	35.9%
Average household size	2.38

Marital status

Status	Male	Female
Never married	27.5%	24.4%
Married	57.8%	52.4%
Separated	1.9%	1.2%
Widowed	3.1%	9.8%
Divorced	9.7%	12.2%

Education

Less than 9th grade 1.8%

Some HS, no diploma 6.3%

HS graduate 34.2%

Some college, no degree 21.7%

Associate's degree 11.5%

Bachelor's degree 14.3%

Graduate / professional 10.2%

Metric	%
HS diploma or higher	91.9%
Bachelor's or higher	24.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	166	3.9%
Kindergarten	260	6.1%
Elementary school	1,915	45.2%
High school	1,180	27.8%
College / grad school	720	17.0%

Employment

Industry of employment

Manufacturing 20.4%

Education & healthcare 19.7%

Retail trade 11.4%

Arts, food & hospitality 8.9%

Construction 8.3%

Professional & management 6.9%

Other services 6.6%

Finance & real estate 5.6%

Transportation & utilities 4.4%

Public administration 2.8%

Wholesale trade 2.0%

Information 1.8%

Agriculture & mining 1.2%

Occupation

Category	%
Management, business & arts	31.1%
Service	15.6%
Sales & office	20.8%
Natural resources & construction	12.0%
Production & transportation	20.6%

Employment type

Type	%
Private sector	85.2%
Government	9.2%
Self-employed	4.9%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	85.4%
Carpool	5.8%
Public transit	0.2%
Walk	1.5%
Work from home	5.6%
Other means	1.7%
Avg commute (minutes)	21.0

Poverty

All people 8.1%

Under 18 years 14.0%

18 and over 6.7%

Married-couple families 2.6%

Female-led households 24.4%

Income support

Source	% of households
Social Security	35.9%
Retirement income	32.3%
Supplemental Security	1.7%
Cash public assistance	1.3%
Food stamps / SNAP	4.6%

Health indicators

Condition	%
Obesity	36.2%
High blood pressure	31.4%
High cholesterol	34.7%
Diabetes	8.8%
Heart disease	6.0%
Stroke	2.8%
Asthma	9.7%
Arthritis	24.4%
Kidney disease	2.7%
Pulmonary disease	6.2%
Cancer	6.9%

Behavior / access	%
Smoking	17.4%
Binge drinking	23.9%
No physical activity	20.0%
Less than 7 hrs sleep	32.4%
Depression	20.3%
Fair or poor health	11.9%
Poor mental health	13.5%
Poor physical health	10.0%
No health insurance	9.9%
Visited doctor (checkup)	74.4%
Visited dentist	69.0%
Cholesterol screening	87.7%
Teeth loss	11.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,274	7.4%

Disability	%
Any disability	10.1%
Under 18	3.3%
18–64 years	6.0%
65 and over	27.7%

Health insurance coverage

Type	%
Private insurance	76.8%
Public insurance	32.1%
No insurance	4.7%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	20,279	96.4%
Spanish	438	2.2%
Other Indo-European	299	1.5%
Asian & Pacific Islander	40	0.2%
Other languages	61	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	20,313	96.6%
Born in same state	20,212	96.1%
Born in different state	17,263	82.1%
Foreign born	101	0.5%
Naturalized citizen	716	3.4%
Not a US citizen	205	28.6%

Ancestry

Ancestry	Count	%
Italian	2,778	13.2%
Arab	942	4.5%
French	903	4.3%
English	689	3.3%
Polish	654	3.1%

Ancestry	Count	%
German	254	1.2%
Dutch	137	0.7%
Irish	123	0.6%
Norwegian	47	0.2%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	92.3%

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

Frequently asked questions about ZIP code 54937

What city is ZIP code 54937 in?

ZIP code 54937 is primarily assigned to Fond Du Lac, Wisconsin.

What county is ZIP code 54937 in?

ZIP code 54937 falls within Fond Du Lac County, Wisconsin.

Does ZIP code 54937 have a large retiree population?

36% of households in ZIP code 54937 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 54937?

ZIP code 54937 has an estimated population of 21,029 residents, with a density of 175 people per square mile.

What is the typical home value in ZIP code 54937?

The median home value in ZIP code 54937 is $232,300.

What is the median household income in ZIP code 54937?

The median household income in ZIP code 54937 is $77,639, above the national median of ~$75,000.

What timezone is ZIP code 54937 in?

ZIP code 54937 observes the CST timezone.