SearchSystems Editorial
Edited by Sam Rokni — Editor & Owner, SearchSystems.net. Public records professional since 1999. NAPBS founding member. Full bio & credentials.
Last reviewed: June 04, 2026 · Methodology: all Natrona County record-source URLs verified against the official local and Wyoming state publishers on the review date. 6 primary .gov / official sources cited below.
Natrona County — Key Numbers (2026)
Population, demographics, and county-seat data for Natrona County, Wyoming — verified against U.S. Census 2024 estimates.
80,410
Population
Census estimate
32,895
Households
Census estimate
$69,104
Median income
Annual household
$247,600
Median home value
Census ACS
Casper
County seat
In Wyoming
Criminal records
3 sources
Court records
2 sources
Wants & warrants
see state portal
Property records
2 sources
Vital records
1 source
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
Natrona County Records at a Glance
| Record type | Natrona County verified sources |
|---|---|
| Court records | Court Navigator Services - Wyoming Judicial Branch Sheriff Office Warrants |
| Criminal records | Sex Offenders Detention Center | Natrona County, WY |
| Wants & warrants | No verified source — see Natrona County state portal below |
| Property records | Treasurer Tax Bill Search - Natrona County Natrona County Property & Ownership Data |
| Vital records | Vital Record Services - Wyoming Department of Health |
| Voter records | No verified source — see Natrona County state portal below |
| Professional licenses | No verified source — see Natrona County state portal below |
| Recorded documents | No verified source — see Natrona County state portal below |
Count of officially verified .gov / .us record sources cataloged for Natrona County. Data verified June 04, 2026.
What Changed in 2026 — Natrona County Records
2026
Natrona County official government portal active
The official Natrona County government website at www.natronacounty-wy.gov continues to serve as the canonical local source.
2026
Natrona County court records portal verified
State court system links for Natrona County verified against the Wyoming judiciary portal in 2026.
2026
Natrona County criminal records access
State criminal records repository for Natrona County (statewide system, not county-specific) confirmed active in 2026.
2026
Natrona County property records online
Natrona County property assessment and recorder office online portal active in 2026.
The 4-Step Natrona County Records Pathway
1
Step 1 — Start at the Natrona County clerk/courthouse
For most local records (court cases, property deeds, marriage licenses), the Natrona 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 Natrona County Records
❌ Myth: "Natrona County maintains all criminal records."
✓ Truth: False. Criminal records for Natrona County are held by the Wyoming state repository, NOT the county. The county sheriff has only the local arrest log.
❌ Myth: "Records sealed in Natrona 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 Natrona County data."
✓ Truth: False. Only the official Wyoming state repository has verified, current Natrona County data. Free sites often have stale data.
❌ Myth: "The Natrona County assessor's value is what I'll sell my home for."
✓ Truth: False. The Natrona 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)
- www.natronacounty-wy.gov — Official Natrona County government website
- www.courts.state.wy.us — Court records — official source
- wyomingdci.wyo.gov — Criminal records — official source
- treasurersearch.natronacounty-wy.gov — Property records — official source
- health.wyo.gov — Vital records — official source
- fbi.gov — FBI Identity History Summary (federal record)
Related — Natrona County & Wyoming Records
For records not specific to Natrona County, use Wyoming's statewide system or the national hub.
📍 Wyoming statewide record systems:
- Wyoming Court Records →
- Wyoming Criminal Records →
- Wyoming Property Records →
- Wyoming Vital Records →
- Wyoming Voter Records →
- Wyoming Wants & Warrants →
- Wyoming Licenses →
- Wyoming Recorded Documents →
🇺🇸 National hubs:
Related Public Records
Wyoming statewide records: Court records · Criminal records · Wants & warrants · Property records · Vital records · Voter records · Licenses · Recorded docs
National directories: Court records · Criminal records · Property records · Vital records · Federal databases
About Natrona County, Wyoming
Natrona County is located in central Wyoming. The county seat is Casper (official site: http://www.natronacounty-wy.gov ).
- Population: 80,410
- Households: 32,895
- Median household income: $69,104
- Median home value: $247,600
- Below poverty line: 9.1%
- Land area: 5,340.5 sq mi
- Population density: 15.1 people / sq mi
- Public libraries indexed: 4
- NCES schools indexed: 36
About | iDoc
Official Free
iDoc Market is a site created by Tyler Technologies to enable our counties to offer online services for recorded documents · Our site uses features only found in modern browsers. For the best experience, we recommend upgrading your browser to one of these:
Assessor Property Search - Natrona County
Official Free
For comments and questions on the Assessor property search tool please use this form. The feedback form for the Treasurer tax bill search tool can be found here We would like your feedback We would like your feedback. The information that is supplied by the Natrona County Treasurer’s and ...
Detention Center | Natrona County, WY
Official Free
The operating philosophy of the Natrona County Detention Center is to provide for community safety, facility security, and the welfare of staff and inmates. The Detention Center's function is to safely and securely detain both pre-trial detainees and sentenced inmates.
Home
Official Free
The mission of DCI is to provide exceptional service to our criminal justice partners and the citizens of Wyoming through leadership, teamwork, and cooperation while exhibiting a positive attitude with Dedication, Courage and Integrity. Jurisdiction: Pursuant to Wyo.Stat. § 9-1-618(a), DCI may conduct criminal investigations at the request of a local police department, sheriff's office or the county or district attorney of jurisdiction.
Court Navigator Services - Wyoming Judicial Branch
Official Free
At present, the Court Navigator Program is in its pilot stage, offering services exclusively for cases within Natrona, Uinta, and Lincoln County District and Circuit Court. The Wyoming Judicial Branch aspires to broaden the scope of the court navigator’s services in the near future, extending assistance to a wider range of jurisdictions across the state.
Sheriff Office Warrants
Official Free
This website can be used to search Warrants issued by the 7th Judicial District Court and the 7th Judicial Circuit Court.
Treasurer Tax Bill Search - Natrona County
Official Free
The feedback form for the Treasurer tax bill search tool can be found here We would like your feedback We would like your feedback. The information that is supplied by the Natrona County Treasurer’s and the Natrona County Assessor’s office is public information and must be used with the ...
Natrona County Property & Ownership Data
Official Free
GeoSMART is the platform for exploring and downloading GIS data maintained by the NRGC regional partners . Please utilize this portal to locate data relevant to your project, research or special interest specific to Natrona County, Wyoming.
Vital Record Services - Wyoming Department of Health
Official Free
Open to the public: Mon-Thur: 9am to 4pm Friday: By appointment only Excluding Holidays Vital Statistics Services helps the public file and access vital records . Vital records include birth, death, fetal death, marriage, divorce and other related data. Vital events are filed with the registrar
About the Western States Marriages Records Index
Official Free
Most of the pre-1900 marriages are included in the index for Arizona, Idaho, and Nevada. Many counties for those same states have been extracted into the 1930s and some, much later. A significant number of marriages from selected counties in California, western Colorado, Montana, Oregon, Utah, eastern Washington, and Wyoming are also included.
Agendas & Minutes
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 ...
Natrona County, WY | Official Website
Official Free
Contact a Natrona County Department · Report a Concern · /QuickLinks.aspx · A resolution establishing Election Districts. Read on... Are you a long time Wyoming resident and over the age of 65? You may qualify for a 2026 property tax exemption. The deadline to apply is the 4th Monday in May.
Frequently Asked Questions
How do I look up court cases in Natrona County?
Natrona County court cases are searchable through the Sheriff Office Warrants portal: https://warrants.natronacounty-wy.gov/SearchWarrants.aspx. Wyoming also operates a state-level case lookup through the Wyoming Courts system. For federal matters, see PACER.
Can I find out if someone is divorced in Wyoming?
Yes. Search the court case index for the person's name in the county where they lived. Most Wyoming 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 Wyoming?
In Wyoming, 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 Wyoming 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.
What's the difference between a court record and a criminal record in Wyoming?
A court record shows everything filed in a specific case — pleadings, motions, judgments. A criminal record (rap sheet) is a person-centric history from the Wyoming DCI that aggregates arrests and dispositions across all courts in Wyoming. Court records are searched by case; criminal records by person.