Blog · October 8, 2026 · Illinois
Using the Richland County Parcel Map
The free official parcel map for Richland County, how to search it, and what the parcel data does and doesn't tell you about owners, acreage and property lines.
Main page: Richland County, IL GIS & Parcel Viewer (official map link, Richland County facts and neighboring maps).
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If you're pricing land, checking a fence line or tracking down an owner for hunting permission, start with the Richland County parcel map. The official parcel map for Richland County, Illinois is free and opens without a login.
This guide walks through the official link, the kinds of land you'll find around Parkersburg, and what to do when the map and the ground don't agree.
Opening the Richland County parcel map
Richland County's public parcel map is the Richland County WTH GIS map, hosted on a WTH Technology GIS parcel site. Zoom until the lot lines show up around Calhoun, then click; the pop-up gives the parcel ID, owner and acreage. The same link lives on our Richland County county page, along with links for the surrounding area.
What the map covers, from Olney to the back roads
Besides Olney, which serves as the county seat, the map covers Calhoun, Claremont, Noble, and Parkersburg. Don't overlook unincorporated places like Dundas, Berryville, and Elbow, where rural homesites often come up. The county's land area is about 360 square miles, and the Census Bureau estimated 15,488 residents there in 2023. Most of the land area is agricultural or wooded, and the parcel lines get bigger and more irregular as you move away from Claremont.
Who's clicking on Richland County parcels
Homesteaders eyeing the country near Stringtown use acreage and frontage on the record to narrow a long list to a few tracts worth visiting. Investors comb the area around Parkersburg for unbuilt parcels and absentee owners, two clues that a tract might be for sale. For a hunter with permission on one farm near Calhoun, the parcel map shows exactly where that permission stops.
Acreage and vacant lot search
A vacant-land search near Olney, step by step:
- Zoom out over the countryside around Calhoun with the aerial layer on, and look for parcels with no structures.
- Open the record for each empty tract near Calhoun and note whether the owner's mailing address is outside Richland County.
- Compare land values on similar Richland County tracts to see whether an asking price is in the ballpark.
- Confirm legal access. In Richland County, as anywhere, a parcel with no road frontage depends on an easement.
- Ask the local offices serving Calhoun about building permits and septic rules before you buy.
Are the Richland County property lines accurate?
A Richland County parcel map is built for assessment, not construction. In Richland County, as in most places, the lines are a best fit of old deed calls onto modern aerial photos. Legal descriptions in Illinois usually lean on the section grid, so learning to read 'NE 1/4 of Section 12' pays off quickly around Claremont. For walking the corners yourself, our guide to finding property corners helps; for a legal answer, call an Illinois licensed surveyor.
Behind the map: land records in Richland County
Every line on the Richland County map traces back to a recorded deed or plat, and the county's recording office keeps those documents. The office title varies by state (register of deeds, recorder, county clerk or clerk of court), so check the Richland County government website for the right one. Rural tracts near Stringtown may go back through several deeds; the instrument number on the record is the first link in that chain.
The Richland County economy in brief
Richland County had 430 business establishments in 2022 (County Business Patterns), led by other services, retail trade, and health care and social assistance. Compared with the nation, the county has an unusually high share of businesses in support activities for mining and drilling, nursing and residential care, and heavy and civil engineering construction. Buyers looking around Olney should ask a title company whether minerals were reserved in an earlier deed. That context helps when you read the parcel pattern around Claremont: jobs and land use move together.
Neighboring counties
Richland County shares borders with Clay County, Crawford County, Edwards County, Jasper County, and Lawrence County, and each one runs its own parcel map and recording office. Neighboring maps for Richland County are a click away on our Illinois page.
Quick answers
How do I look up a property owner in Richland County, IL?
Every parcel in the Richland County viewer shows an owner of record. Rural tracts near Stringtown can be found by panning and clicking.
Is the Richland County parcel map free?
It costs nothing to look. Anyone can open the Richland County WTH GIS map and click parcels in Richland County.
Where can I get a Richland County plat book?
Whether a current printed edition exists for Richland County varies; the free online map covering Claremont and the rest of the county is the dependable option.
How do I find property lines in Richland County?
Find the tract near Claremont on the parcel map, note the legal description, and compare it with the recorded deed. If you need certainty, an Illinois licensed surveyor can stake the corners.
Open the official Richland County, IL parcel map Richland 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.