County · code 55123
Vernon CountyWisconsin
Vernon County is a county in Wisconsin, with its seat in Viroqua. The county was formed on May 19, 1851.
- Founded1851
- County seatViroqua
- Named forMount Vernon, Virginia
- Land area792 sq mi + 25 sq mi water
- Population30,714 2020 Census
- Parcels mapped35,583 checked 14 October 2026
Where it is
Vernon on the map of Wisconsin
Wisconsin has 72 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1851 from Crawford County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Vernon County was created from Crawford County on May 19, 1851, and was originally named Bad Ax. It was renamed Vernon on May 1, 1862, after Mount Vernon. In 1939, the county gained a small area from Monroe County.
- 1851Vernon County created Bad Ax (now Vernon) created from Crawford. · Wis. Laws 1851, ch. 131, secs. 2, 6/pp. 105-106 and ch. 132, secs. 1-2/pp. 107-108
- 1862Renamed Bad Ax renamed Vernon.formerly Bad Ax· Wis. Laws 1862, gen., ch. 137, secs. 1-2/p. 79
- 1939Gained territory Vernon gained small area from Monroe. · Wis. Laws 1939, ch. 192, secs. 1, 6/pp. 327-328
- 1943Boundary clarified Vernon boundaries were clarified (no change).no change· Wis. Laws 1943, ch. 177/pp. 253-255
Land and parcels
What the maps cover in Vernon
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 35,583 parcels from Vernon County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 14 October 2026 -
Address points Missing
No public address points layer found for Vernon County yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Vernon by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Vernon County's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Vernon County.
See your own lot on these maps
Open Vernon County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Vernon County
- When was Vernon County founded?
- Vernon County was founded in 1851, formed from Crawford County, and named after Mount Vernon, Virginia.
- What is the county seat of Vernon County?
- The county seat of Vernon County is Viroqua.
- Is there an online parcel map for Vernon County?
- Yes. Vernon County publishes a parcel map of 35,583 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Vernon County's boundary or name changed?
- Vernon County was created in 1851 from Crawford County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Bad Ax County and Monroe County. It was formerly called Bad Ax.
- Is my lot in a flood zone?
- We do not have flood maps for Vernon County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby