Blog · October 14, 2026 · Wyoming
Sheridan County Plat Book, Wyoming
What a Sheridan County plat book is, where to find one around Clearmont, and the free map that covers the gaps.
Main page: Sheridan County, WY GIS & Parcel Viewer (official map link, Sheridan County facts and neighboring maps).
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A Sheridan County plat book is the township-by-township atlas farmers, hunters and land buyers around Dayton have kept in the truck for generations. Below is how to track one down for Sheridan County, WY, and what the online map does better.
Plat books vs. recorded plats in Sheridan County
Think of the Sheridan County plat book as a bound, printed version of ownership: township pages, owner names on each tract, and road maps for places like Dayton. Deeds and recorded plats, not the atlas, still govern land near Big Horn in the county.
The county map you'll pair it with
The county's own public map is the Sheridan County parcel viewer, and it opens without an account for parcels in Ranchester and the rest of the county. Click any Sheridan County parcel near Ranchester to open its record: owner, parcel ID and assessed acreage are usually listed. Our Sheridan County, WY page keeps the official link and the maps next door to Clearmont in one place.
Finding a printed Sheridan County plat book
Try the library in Ranchester or a local historical society for older Sheridan County editions; libraries sometimes keep past atlases for reference. Collectors and genealogists prize old Sheridan County atlases because they show farm names and owners near Big Horn long before online maps.
Atlas details and limits
Many atlases add rural residence listings and road maps, handy on back roads near Big Horn. Owner names in an older Sheridan County edition may be decades out of date, so confirm on the county map before contacting anyone near Big Horn. For a land purchase near Ranchester, rely on the county parcel record and a title search, not an atlas.
Old atlases and family history in Sheridan County
Farm families near Dayton frequently keep successive editions of the Sheridan County plat book, which together show how ownership shifted over decades. If you cannot find a printed edition, a screenshot of each township from the county map makes a serviceable homemade atlas for the area around Dayton.
Work and land use in Sheridan County
County Business Patterns counted 2,286 business establishments in Sheridan County for 2022, led by professional and technical services, retail trade, and construction. Compared with national shares, Sheridan County leans toward support activities for mining and drilling and mining (except oil and gas), which shapes demand for land near Dayton.
The lay of the land around Sheridan
From Sheridan, the seat of the county, the map spreads out to Clearmont, Dayton, and Ranchester. Smaller places such as Arvada, Big Horn, and Parkman appear on the county map as little clusters of lots. Sheridan County had an estimated 32,519 people in 2023 (Census Bureau), spread across about 2,523 square miles. Outside Dayton, most of the county map is farm, ranch or timber ground with large, irregular tracts.
Tracts that cross the Sheridan County line
A farm near the county line can carry separate records in Big Horn County, MT, Powder River County, MT, and Big Horn County as well. Every map bordering Sheridan County is listed on our Wyoming directory.
Sheridan County land records
For land near Dayton, the deed itself lives in the county recording office, and the map is an index to it. Copy the parcel number and legal description from the county record before you request a deed for land near Clearmont.
The free online alternative
Between editions, use the Sheridan County parcel viewer; it shows owners, acreage and parcel IDs for land near Dayton at no cost. Pair the county map with a road atlas for the back roads near Dayton.
Sheridan County, WY: common questions
What is the difference between a plat book and a plat in Sheridan County?
No; a lot in Ranchester answers to its recorded plat, and the county atlas is just a reference.
Are older plat books for Sheridan County, Wyoming online?
Check the library in Ranchester, local historical groups and estate sales for older Sheridan County editions.
Can I use a plat book to find lot lines near Ranchester?
Only roughly; a Sheridan County plat book is a reference, so a survey decides the real line.
Should I use the Sheridan County, Wyoming parcel map instead of a plat book?
For current owners near Dayton, yes; the county parcel viewer updates as deeds are processed.
Can I buy a new plat book for Sheridan County, Wyoming?
Editions come and go; inquire at the courthouse, extension office or farm supply stores in Ranchester.
Open the official Sheridan County, WY parcel map Sheridan County in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.