RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Wisconsin >> Fond du Lac County >> Fond du LacIndex...










Learn About
The Commemorative
Quarter for
Wisconsin


The Commemorative Quarter for Wisconsin







Welcome to Fond du Lac ...

The city of Fond du Lac is located in Fond du Lac County<1> and is the County Seat for Fond du Lac County.

While we don't have a date for the founding of Fond du Lac, you might consider that their post office opened  in 1837.

From the  Census Estimates for 2019, Fond du Lac has a population of 43,158 people<2> (see below for details).

Fond du Lac is 760 feet [232 m] above sea level.<3>.

Time Zone: Fond du Lac lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Area Codes for Fond du Lac: 920 & 274<4>

The ZIP codes for Fond du Lac: 54935-54937<5>

Population Details ...

Taken from the 2019 Census Estimates, Fond du Lac had an population of 43,158 people. This is an increase of 0.32% since the 2010 Census (or an increase of 2.26% since the 2000 Census).

At the time of the 2010 Census, Fond du Lac had a population of 43,021 people (which is 42.35% of the total population of Fond du Lac County). This makes Fond du Lac the county's most populous community.

The population of Fond du Lac represents 0.76% of the population of Wisconsin (which has 5,686,986 people), making it the state's 15th most populous community.

With a 2010 count of 43,021 people, the population of Fond du Lac increased 1.94% from the 2000 Census (with a count of 42,203 people).

More information can be found on the Census Page for Fond du Lac.

Communities Also Named Fond du Lac ...

Using our Gazetteer, we found that there are 4 communities that are also named Fond du Lac - they are located in Illinois, Kansas, Minnesota and Saskatchewan.

For more information, see our Tidbits & Trivia Page for Fond du Lac.

Websites for Fond du Lac ...

Official Website:   www.ci.fond-du-lac.wi.us/

Chamber of Commerce:   www.fdlac.com/

Communities near Fond du Lac ...

We have created a list of 10 communities that are near Fond du Lac.

  • Oshkosh
    (18 miles [29 km] to the north)
  • Waupun
    (17 miles [27.4 km] to the southwest)
    • Note: The GPS coordinates that we are using for Waupun have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Waupun
    • Waupun is located in Dodge County
    • Population from the 2020 Census: 11,271 people
  • Mayville
    (19 miles [30.6 km] to the south)
    • Note: The GPS coordinates that we are using for Mayville have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Mayville
    • Mayville is located in Dodge County
    • Population from the 2020 Census: 4,829 people
  • Lomira
    (12 miles [19.3 km] to the south)
  • Campbellsport
    (14 miles [22.5 km] to the southeast)
  • Theresa
    (17 miles [27.4 km] to the south)
  • Oakfield
    (7 miles [11.3 km] to the southwest)
  • Rosendale
    (11 miles [17.7 km] to the west)
    • Note: The GPS coordinates that we are using for Rosendale have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Rosendale
    • Rosendale is located in Fond du Lac County
    • Population from the 2020 Census: 1,026 people
  • Eden
    (6 miles [9.7 km] to the southeast)
    • Note: The GPS coordinates that we are using for Eden have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Eden
    • Eden is located in Fond du Lac County
    • Population from the 2020 Census: 943 people
  • Kekoskee
    (17 miles [27.4 km] to the south)
    • Note: The GPS coordinates that we are using for Kekoskee have been provided by the GNIS.<6> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Kekoskee
    • Kekoskee is located in Dodge County
    • Population from the 2020 Census: 891 people

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Fond du Lac. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Fond du Lac.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Fond du Lac. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Fond du Lac.

We also have a detailed list of newspapers that have been published in the area around Fond du Lac. Our list includes 46 papers. See our Newspapers Page for Fond du Lac.

Adding Fond du Lac to Our Gazetteer ...

We originally found mention of Fond du Lac in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Fond du Lac was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<7>

X2X - From that list, the Fond du Lac post office opened in 1837.

We also found Fond du Lac in the book titled U.S. Post Offices (Oct. 1846).

For more details, see References and Mentions for Fond du Lac.

The official website for Fond du Lac: www.ci.fond-du-lac.wi.us/

The official website for Fond du Lac County: www.co.fond-du-lac.wi.us/

The official website for State of Wisconsin: https://www.wisconsin.gov/

Footnotes ...

<1>If you're interested in how the shape of Wisconsin's counties, including Fond du Lac, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>Population counts have been provided by the U.S. Census Bureau. For more detail, please visit our Census Page for Fond du Lac.
<3>The elevation is an estimate for the area around Fond du Lac - it will be higher in some places and lower in others.
<4>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 920 code has been Overlayed with the 274 area code. New phone numbers in the Fond du Lac area will be assigned with one of these codes: 920 or 274. As a result, placing a call in the Fond du Lac area will require 10-digit dialing (where you enter both the area code and then the phone number).
<5>ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a city (such as Fond du Lac). When looking for a ZIP Code, whether Fond du Lac or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

Our list of ZIP Codes for Fond du Lac includes: 54935, 54936 & 54937.
<6>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<7>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/









 

Copyright 2025
All Rights Reserved

Thank you for visiting our website.

In closing, please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.

If you've found an error or have additional information that you would like to share, please don't hesitate to write: Click here to contact us.

This page was last modified/updated: 29 Apr 2025