County · code 55065
Lafayette CountyWisconsin
Lafayette County is a county in Wisconsin with its seat in Darlington. It was created in 1847 and named after Gilbert du Motier, Marquis de Lafayette.
- Founded1847
- County seatDarlington
- Named forGilbert du Motier, Marquis de Lafayette
- Land area634 sq mi + 1 sq mi water
- Population16,611 2020 Census
- Parcels mapped21,583 checked 15 October 2026
Where it is
Lafayette 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 1847 from Iowa County
An old deed may name a county that no longer exists, or a boundary that has since moved.
The Wisconsin Territory Legislature authorized creation of Lafayette County from Iowa in 1846, subject to a local referendum. Lafayette County was created by Wisconsin Territory from Iowa on May 1, 1847, and became a county in the state of Wisconsin on May 29, 1848.
- 1846Changed Legislature authorized creation of Lafayette from Iowa, dependent upon a local referendum (that passed) and legislative implementation. · Kellogg, "Organization," 189; Wis. Terr. Laws 1846, pp. 41-43
- 1847Lafayette County created Lafayette created by Wisconsin Territory from Iowa. · Kellogg, "Organization," 201-202; Wis. Terr. Laws 1846, pp. 41-43; Wis. Terr. Laws 1847, reg. sess., pp. 57-63
- 1848Became part of Wisconsin Lafayette became a county in the state of Wisconsin. · U.S. Stat., vol. 9, ch. 89 [1846]/pp. 56-58, and ch. 50 [1848]/pp. 233-235; Van Zandt, 128, 130
Land and parcels
What the maps cover in Lafayette
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Good enough
Lot lines and tax-map numbers for 21,583 parcels from Lafayette County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 15 October 2026 -
Address points Missing
No public address points layer found for Lafayette County yet.
-
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
Lafayette 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
Lafayette 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 Lafayette County.
See your own lot on these maps
Open Lafayette 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 Lafayette County
- When was Lafayette County founded?
- Lafayette County was founded in 1847, formed from Iowa County, and named after Gilbert du Motier, Marquis de Lafayette.
- What is the county seat of Lafayette County?
- The county seat of Lafayette County is Darlington.
- Is there an online parcel map for Lafayette County?
- Yes. Lafayette County publishes a parcel map of 21,583 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Lafayette County's boundary or name changed?
- Lafayette County was created in 1847 from Iowa County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Iowa County.
- Is my lot in a flood zone?
- We do not have flood maps for Lafayette County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby