Blog · October 14, 2026 · Illinois
Boone County Township Map in Illinois
Civil and survey townships in Boone County, with the free map, starting near Candlewick Lake.
Main page: Boone County, IL GIS & Parcel Viewer (official map link, Boone County facts and neighboring maps).
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A Boone County township map answers two different questions around Argyle: which local township a property sits in, and where it falls on the survey grid. This guide covers the free Boone County, IL options and how to read them.
How to use the Boone County township map
Where civil townships exist in the county, they are named local units, and their duties near Belvidere depend on Illinois law. The survey township cited in deeds near Argyle follows the federal survey grid, in which each township is about 36 square miles, split into 36 sections of about 640 acres.
Search Boone County parcels by owner, address or ID
For land around Candlewick Lake, open the Boone County ArcGIS parcel map (an Esri ArcGIS web map); it's the map Boone County itself publishes. Most people track down their Boone County tract fastest by searching an address in Candlewick Lake, then clicking the outline. If the official address for the Boone County, IL map ever changes, our directory page carries the current link for Argyle and the rest of the county.
How to look up a township in Boone County
The Boone County ArcGIS parcel map is the quickest Boone County township map for most people: switch on boundaries and click a parcel near Garden Prairie. For the survey grid, look for section, township and range in the legal description on the Boone County record.
Tracts that cross the Boone County line
Boone County borders DeKalb County, McHenry County, Ogle County, Winnebago County, and Rock County, WI, and each keeps its own parcel map and records. Our Illinois page links each map neighboring Boone County.
Why the township matters
Township lines near Belvidere can matter more than the mailing town, and the county record is the better guide than an address. The township on the county record also decides which local office keeps meeting notices and ordinances for land near Garden Prairie.
Reading sections near Candlewick Lake
For land around Argyle, sections are numbered from 1 in the northeast corner, and the numbering ends at 36 in the southeast corner. Quarter-quarter descriptions in Boone County are read from the end: the final quarter listed is the largest piece. Correction lines and irregular sections exist, so a section near Argyle may not be exactly 640 acres.
Old names and overlapping districts in Boone County
If a county deed near Garden Prairie cites a township that no longer appears on the map, the county recorder can most commonly explain the change. Election maps, school districts and fire districts in Boone County don't always follow township lines near Candlewick Lake, so check each one separately.
The Boone County economy in brief
County Business Patterns counted 879 business establishments in Boone County for 2022, led by construction, transportation and warehousing, and retail trade. Compared with national shares, Boone County leans toward transportation equipment manufacturing and fabricated metal product manufacturing, which shapes demand for land near Belvidere.
Deeds and plats behind the Boone County map
Deeds and plats behind the Boone County map are kept by the county's recording office; the official Boone County website names which office that is. Easements and access rights near Argyle live in recorded documents, so read the deed, not just the county map.
The lay of the land around Belvidere
Courthouse business for Boone County runs through Belvidere. Unincorporated communities in the county, including Argyle, Candlewick Lake, and Garden Prairie, display up as small groups of parcels along the roads. Boone County had an estimated 53,202 people in 2023 (Census Bureau), spread across about 281 square miles. Platted neighborhoods near Candlewick Lake give way to rural acreage elsewhere in the county.
Boone County, IL: common questions
What do township and range mean on a deed near Argyle?
It's a Public Land Survey System block about 6 miles square with 36 sections, used to describe Boone County land.
How big is a quarter section near Belvidere?
Roughly 640 acres per section in Boone County; real sections vary a bit because of survey corrections.
How do I track down what township a property in Boone County is in?
Click the parcel on the Boone County ArcGIS parcel map; the Boone County record most commonly names the township.
Can I see township boundaries near Belvidere online?
Usually; turn on boundary layers in the county viewer and zoom toward Belvidere.
Why is my mailing address in Argyle but my township different?
Postal towns and township lines in Boone County don't always match; the parcel record displays the township for taxes.
Open the official Boone County, IL parcel map Boone 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.