Direct links to official Platte County, Wyoming public records: courts, criminal, vital, property, business, licenses, and more.
Searching Platte County: what to expect
Searches in Platte County run on two layers: a few county-run sources (1 below) and Wyoming's statewide databases for everything else. Wyoming courts search county by county, and Platte County has no public online docket listed — case records mean the clerk's office, or the statewide options on the Wyoming court records page. The standout local source is plattecountywyoming.com, covering parcel and property-tax data. One gap: criminal records aren't published by the county itself. Use the Wyoming criminal records page for those.
Last reviewed: June 04, 2026 · Methodology: all Platte County record-source URLs verified against the official local and Wyoming state publishers on the review date. 3 primary .gov / official sources cited below.
Platte County — Key Numbers (2026)
Population, demographics, and county-seat data for Platte County, Wyoming — verified against U.S. Census 2024 estimates.
8,512
Population
Census estimate
3,861
Households
Census estimate
$64,753
Median income
Annual household
$237,100
Median home value
Census ACS
Wheatland
County seat
In Wyoming
Platte County Records Availability Map
Criminal records
2 sources
Court records
2 sources
Wants & warrants
see state portal
Property records
1 source
Vital records
see state portal
Voter records
see state portal
Professional licenses
see state portal
Recorded documents
see state portal
Count of verified official sources per record type. Multiple sources One source Use state portal
Step 1 — Start at the Platte County clerk/courthouse
For most local records (court cases, property deeds, marriage licenses), the Platte County clerk's office is the first stop.
2
Step 2 — Use the Wyoming statewide systems
Criminal background, court case search, voter registration, and professional licensing are all run at the Wyoming 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 Platte County Records
MYTH"Platte County maintains all criminal records."
FACTCriminal records for Platte County are held by the Wyoming state repository, NOT the county. The county sheriff has only the local arrest log.
MYTH"Records sealed in Platte County are gone everywhere."
FACTSealing 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 Platte County data."
FACTOnly the official Wyoming state repository has verified, current Platte County data. Free sites often have stale data.
MYTH"The Platte County assessor's value is what I'll sell my home for."
FACTThe Platte County assessor's value is for property tax purposes only — usually below market value.
MYTH"All county records older than 50 years are public."
FACTPartially 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).
Platte County District Court hears felony criminal cases, civil cases including divorce proceedings, and probate cases including settlements of estates, guardianships, involuntary hospitalizations and adoptions. Unless noted, indexes to case files have been retained by the court. Please contact the Clerk of Court for docket numbers before requesting case files.
They must be attorneys admitted to the Wyoming State Bar and qualified electors of the state, and their judicial positions are full-time. A circuit court judge may submit names to the county commissioners for the appointment of magistrates to assist the judge. A full-time magistrate may be appointed in each county where a circuit court judge does not reside. There are full-time magistrates in Big Horn, Johnson, Niobrara and Platte counties.
PACER covers the federal side: cases from Platte County appear here when they were filed in U.S. district or bankruptcy court. Searching the official side is free.
Operations: Special Agents are assigned to DCI Headquarters in Cheyenne and field offices located in Afton, Casper, Evanston, Gillette, Laramie, Powell, Rawlins, Riverton, Rock Springs and Sheridan. State Crime Laboratory: The State Crime Laboratory provides a wide range of advanced forensic services to the criminal justice community in Wyoming.
Affidavits & Forms Assessment Calendar Assessor FAQ's GIS/Mapping Language of Assessment Valuation & Mills Notices of Value Tax Relief Programs It is the statutory duty of the Assessor’s Office to locate, identify and value all taxable property (real property and personal property used by businesses). To accomplish this, we use industry-accepted mass appraisal procedures and methodologies. Our office strives to value properties accurately, fairly, and uniformly according to guidelines from Wyoming Statutes and the Wyoming Department of Revenue.
Platte County court cases are searchable through the Collection: Guide to the Platte County District Court Records | ArchivesSpace Public Interface portal: https://wyocomet.wyo.gov/repositories/2/resources/943. Wyoming also operates a state-level case lookup through the Wyoming Courts system. For federal matters, see PACER.
Does an active warrant show up on a background check in Wyoming?
Yes. Active warrants in Wyoming appear on name-based criminal background checks through the Wyoming DCI system the moment they are entered. Some employers also run a separate NCIC warrant query, which catches federal warrants as well.
Are Wyoming marriage records public?
Marriage records in Wyoming are generally public — anyone can verify that a marriage occurred and request a non-certified copy. Certified copies (needed for legal purposes like name changes or immigration) may be restricted to the spouses, immediate family, or those with a court order.
How do I run a Wyoming background check?
Wyoming background checks are handled by the Wyoming DCI. Name-based searches are available through the official state portal (per-search fee applies). Fingerprint-based checks — required for licensing, foster care, and many employers — must be submitted through an approved vendor.