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🇺🇸 United States ZIP Code

STANDARD

54935

Fond Du Lac

ZIP Code 54935 is a standard zip code serving Fond Du Lac, Fond Du Lac, Wisconsin (WI), in Fond du Lac County, United States. It has an estimated population of 41,651 with a median household income of $46,468. The area falls within the America/Chicago timezone.

Median Household Income vs. National Average

$0 National: $37,585 $150K+ $46,468

Location

Country
🇺🇸 United States
State / Province
Wisconsin (WI)
County
Fond du Lac
City
Fond Du Lac
Timezone
America/Chicago

Coordinates

Latitude
43.774200
Longitude
-88.435200

Geographic Details

Land Area
15.78 mi²
Water Area
0.91 mi²
Population Density
2639.0 people per mi² (85th percentile)
Bounding Box
43.819780°N, 43.733278°S, -88.379321°E, -88.482508°W

With 41,651 residents spread across 15.78 square miles, this area has a population density of 2639.0 people per square mile.

Demographics

41,651

Population

95th percentile

$46,468

Median Income

45th percentile

$124,800

Median Home Value

50th percentile

15.78 mi²

Land Area

The median household income in 54935 is $46,468, and the median home value is $124,800.

Housing

18,776

Total Units

17,582

Occupied Units

93.6%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Fond Du Lac, WI.

54936

Fond Du Lac

 54937

Fond Du Lac

Similar ZIP Codes in Wisconsin

ZIP codes with similar median household income in Wisconsin.

53007

Butler

$43,631

 53019

Eden

$52,417

 53034

Hustisford

$52,784

 53039

Juneau

$52,010

 53046

Lannon

$52,083

 53048

Lomira

$49,767

 53061

New Holstein

$44,625

 53081

Sheboygan

$42,333

Frequently Asked Questions

What information is available for each ZIP code?
Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).
What are the different types of ZIP codes?
There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.
How often is ZIP code data updated?
ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.
What is population density and why does it matter?
Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.
How are ZIP code boundaries determined?
ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.
What does median household income tell me about a ZIP code?
Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.