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Last reviewed: June 04, 2026 · Methodology: all Fond Du Lac County record-source URLs verified against the official local and Wisconsin state publishers on the review date. 5 primary .gov / official sources cited below.

Fond Du Lac County — Key Numbers (2026)

Population, demographics, and county-seat data for Fond Du Lac County, Wisconsin — verified against U.S. Census 2024 estimates.
104,269
Population
Census estimate
42,368
Households
Census estimate
$70,368
Median income
Annual household
$195,800
Median home value
Census ACS
Fond du Lac
County seat
In Wisconsin
Fond Du Lac County Records Availability Map
Criminal records
3 sources
Court records
2 sources
Wants & warrants
1 source
Property records
2 sources
Vital records
2 sources
Voter records
2 sources
Professional licenses
see state portal
Recorded documents
2 sources
Count of verified official sources per record type. Multiple sources   One source   Use state portal

Fond Du Lac County Records at a Glance

Record typeFond Du Lac County verified sources
Court recordsSite help
Probate Records - Research Help - Archives - UW-Green Bay
Criminal recordsFond du Lac County Sheriff Sales
Jail | Fond du Lac County
Wants & warrantsFond Du Lac County Sheriff Office, WI, Arrest Warrants Searc…
Property recordsAssessment Data | Fond du Lac County
Real Estate and Tax Data Search | Fond du Lac County
Vital recordsDeath Certificates | Fond du Lac County
Genealogy | Fond du Lac County - Wisconsin.gov
Voter recordsFond du Lac County, Wisconsin Public Records Lookup | Fonddu…
Election Information | Fond du Lac County
Professional licensesNo verified source — see Fond Du Lac County state portal below
Recorded documentsRegister of Deeds | Fond du Lac County
Fond du Lac County, Wisconsin Property Records | FondduLacRe…
Fond Du Lac County — Verified Record Sources by Type (2026)
Court records2Criminal records3Wants & warrants1Property records2Vital records2Voter records2Licenses0Recorded docs2
Count of officially verified .gov / .us record sources cataloged for Fond Du Lac County. Data verified June 04, 2026.

What Changed in 2026 — Fond Du Lac County Records

2026
Fond Du Lac County official government portal active
The official Fond Du Lac County government website at www.fdlco.wi.gov continues to serve as the canonical local source.
2026
Fond Du Lac County court records portal verified
State court system links for Fond Du Lac County verified against the Wisconsin judiciary portal in 2026.
2026
Fond Du Lac County criminal records access
State criminal records repository for Fond Du Lac County (statewide system, not county-specific) confirmed active in 2026.
2026
Fond Du Lac County property records online
Fond Du Lac County property assessment and recorder office online portal active in 2026.

The 4-Step Fond Du Lac County Records Pathway

1
Step 1 — Start at the Fond Du Lac County clerk/courthouse
For most local records (court cases, property deeds, marriage licenses), the Fond Du Lac County clerk's office is the first stop.
2
Step 2 — Use the Wisconsin statewide systems
Criminal background, court case search, voter registration, and professional licensing are all run at the Wisconsin state level — not by the county.
3
Step 3 — Federal sources for federal records
Federal court cases (PACER), federal tax liens (IRS), military records (NPRC), and immigration data (ICE) are all federal — not held by the county.
4
Step 4 — Cross-check before relying on data
Most county portals lag 24-48 hours behind the courthouse. For time-sensitive verification, call the clerk directly.

Five Things People Get Wrong About Fond Du Lac County Records

❌ Myth: "Fond Du Lac County maintains all criminal records."
✓ Truth: False. Criminal records for Fond Du Lac County are held by the Wisconsin state repository, NOT the county. The county sheriff has only the local arrest log.
❌ Myth: "Records sealed in Fond Du Lac County are gone everywhere."
✓ Truth: False. Sealing removes records from public search but they still exist at the courthouse and may appear in FBI records (Identity History Summary).
❌ Myth: "Free 'instant background' sites have Fond Du Lac County data."
✓ Truth: False. Only the official Wisconsin state repository has verified, current Fond Du Lac County data. Free sites often have stale data.
❌ Myth: "The Fond Du Lac County assessor's value is what I'll sell my home for."
✓ Truth: False. The Fond Du Lac County assessor's value is for property tax purposes only — usually below market value.
❌ Myth: "All county records older than 50 years are public."
✓ Truth: Partially false. Public-records rules vary by record type AND state. Court records and deeds are usually older-public; vital records remain restricted longer (often 75-125 years).

Primary Sources (All Verified)

Related — Fond Du Lac County & Wisconsin Records

For records not specific to Fond Du Lac County, use Wisconsin's statewide system or the national hub.
📍 Wisconsin statewide record systems:
🇺🇸 National hubs:
Related Public Records
Other counties in Wisconsin: Eau Claire · Florence · Forest · Grant · Green

About Fond Du Lac County, Wisconsin

Fond Du Lac County is located in Southeast Wisconsin. The county seat is Fond du Lac (official site: http://www.fdlco.wi.gov/).

  • Population: 104,269
  • Households: 42,368
  • Median household income: $70,368
  • Median home value: $195,800
  • Below poverty line: 8.6%
  • Land area: 719.6 sq mi
  • Population density: 144.9 people / sq mi
  • Public libraries indexed: 7
  • NCES schools indexed: 41
CR
Fond du Lac County Sheriff Sales
Official Free
To access all publicly available case information, you will need to log into Public Access to Court Electronic Records (PACER).
CR
Jail | Fond du Lac County
Official Free
The Fond du Lac County Sheriff’s Office holds active warrant(s) for the individuals listed on the Warrants tab on our home page. This list is current at the time of posting. All warrants must be verified through the Fond du Lac County Sheriff’s Office before any individual will be apprehended.
CR
Criminal Complaints Filed Against Two in Fond du Lac County for Homicide, Felon in Possession of a Firearm, Straw…
Official Free
FOND DU LAC, Wis. – Attorney General Josh Kaul today announced that criminal charges have been filed against Denell Logan for first degree intentional homicide, felon in passion of a firearm, repeater, and possession of THC, repeater . Charges were also filed against Callie Bender for two ...
CR
VINE Emergency Override Procedures
Official Free
You will need to perform the instructions below only if an offender is no longer in custody (escapes, releases, transfers, etc.) during this outage period. In addition to any overrides, please continue with your normal updates through your Jail Management System.
CT
Site help
Official Free
If your search results in multiple rows, you can move through the records by selecting the "Next" or "Previous" link. To return to the list, select the "Return to search results" link. Some WCCA reports and the case court record also display in printable (PDF) format.
CT
Probate Records - Research Help - Archives - UW-Green Bay
Official Free
Some probate documents may be found in case files, while others were copied into books by the probate clerk . One example of a bound record is an order book, which records the judge's final decisions. If a will does not exist, this is another source that documents names and relationships of ...
VR
Death Certificates | Fond du Lac County
Official Free
Departments » Departments M - Z » Register of Deeds » Vital Records (Birth, Death, Marriage, Divorce Certificates) · WHO MAY OBTAIN A DEATH CERTIFICATE
VR
Genealogy | Fond du Lac County - Wisconsin.gov
Official Free
Departments » Departments M - Z » Register of Deeds » Vital Records (Birth, Death, Marriage, Divorce Certificates) The Area Research Center on the UW-Oshkosh Campus (Polk Library) has the naturalization and historical records for a five-county region in Wisconsin.
VR
Local History & Genealogy - Fond du Lac Public Library
Official Free
Explore Fond Du Lac, Wisconsin Records Fond Du Lac Obituaries Records | Fond Du Lac Arrest Records | Fond Du Lac Birth Records | Fond Du Lac Military Records | Fond Du Lac Marriage Records | Fond Du Lac Divorce Records This resource is provided by the Winnefox Library System. Historical newspapers archive from the 1700s – 2000s containing thousands of well-known regional, state, and small local newspapers in the United States and other countries
VT
Election Information | Fond du Lac County
Official Free
The My Vote Wisconsin website is designed for Wisconsin voters, both registered and non-registered. The website provides voters with registration, sample ballot, municipal clerk and polling place information.
VR
My Ballot
Official Free
Search by name to view your registration information, voting history, vote absentee or make updates to your registration. *=Required Field · Search by address to find your polling place, see what will be on your ballot, find your next election or learn about absentee voting. *=Required Field
RD
Register of Deeds | Fond du Lac County
Official Free
Departments » Departments M - Z · Register of Deeds Mission Statement
RD
How to apply for vital records in Wisconsin
Official Free
These Register of Deeds require a money order, certified bank or cashier’s check payable to "Register of Deeds" Barron (out-of-state residents only) Brown (out-of-state residents only) Chippewa (out-of-state residents only) Columbia · Dane · Dodge (out-of-state residents only) Eau Claire · Fond du Lac · Kenosha · La Crosse · Manitowoc · Marathon · Portage · Racine · Rock · Trempealeau · Waupaca · Wood · Or check or money order payable to: Ozaukee - Make check out to Ozaukee County​ ·
BZ
Fond du Lac County
Official Free
Field notes are the narrative record of the cadastral survey . They are written in tabular format and contain the detailed descriptions of entire survey process including the instrumentation and procedures utilized, calling all physical evidence evaluated in the survey process, and listing all ...
PR
Assessment Data | Fond du Lac County
Official Free
Departments » Departments G - L » Land Information » Real Property Listing · The Land Information Department oversees and manages local assessment data for all Towns, Villages and Cities within the County. Only the assessed value for land and improvements is collected from the local Assessors.
PR
Real Estate and Tax Data Search | Fond du Lac County
Official Free
Departments » Departments M - Z » Treasurer · This new website was designed to complement the County's GIS Mapping site by providing faster and easier access to County Land Information through a database format. This site provides information regarding land ownership and property taxes to ...
PR
Real Estate and Tax Data Search | Fond du Lac County
Official Free
Departments » Departments M - Z » Treasurer · This new website was designed to complement the County's GIS Mapping site by providing faster and easier access to County Land Information through a
WW
Officer Involved Death Investigation in Fond du Lac County, Wis. | Wisconsin Department of Justice
Official Free
– The Wisconsin Department of Justice (DOJ) Division of Criminal Investigation (DCI) is conducting an officer involved death investigation in the Town of Fond du Lac, Wis. that occurred on the evening of Monday, Feb. 24, 2025. On Monday evening, Fond du Lac County Sheriff’s deputies contacted ...
LC
Credential/License Search - Wisconsin DSPS
Official Free
The credential holder must respond during the renewal process. See Wis. Stat. § 227.51(2). Consistent with The Joint Commission and NCQA standards for primary source verification. Data on this page is refreshed hourly. Send questions or comments to dsps@wisconsin.g

Frequently Asked Questions

How do I look up court cases in Fond Du Lac County?
Fond Du Lac County court cases are searchable through the Site help portal: https://wcca.wicourts.gov/site.html. Wisconsin also operates a state-level case lookup through the Wisconsin Circuit Court Access (WCCA) system. For federal matters, see PACER.
Can I find out if someone is divorced in Wisconsin?
Yes. Search the court case index for the person's name in the county where they lived. Most Wisconsin counties offer free online case-search portals. The state vital records office also issues divorce verifications for a fee.
What's the difference between sealing and expunging a record in Wisconsin?
In Wisconsin, a sealed record is hidden from public view but still exists and remains visible to law enforcement, licensing boards, and some employers. An expunged record is treated by Wisconsin law as if it never happened — though FBI and federal records may persist regardless of state action. The relief process runs through the sentencing court.
Does a county sheriff have to honor ICE detainers?
No federal law forces a county to honor an ICE detainer. Multiple federal courts have ruled that detainers are non-binding requests. Some counties honor every detainer, others honor none, and many honor them only when ICE provides a judicial warrant. Policy is set at the county or sheriff level.