County · code 36013
Chautauqua CountyNew York
Chautauqua County is a county in New York with its seat at Mayville, formed in 1808.
- Founded1808
- County seatMayville
- Named forChautauqua Lake, New York
- Land area1,060 sq mi + 440 sq mi water
- Population127,657 2020 Census
- Parcels mapped89,266 checked 15 October 2026
Where it is
Chautauqua on the map of New York
New York has 62 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1808 from Genesee County and Niagara County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Chautauqua County was created from Genesee County on March 11, 1808, and initially attached to Niagara County for administrative and judicial purposes. The county was fully organized and detached from Niagara County on February 9, 1811. The county is named after Chautauqua Lake.
- 1808Chautauqua County created Chautauqua created from Genesee; Chautauqua not fully organized, attached to Niagara for administrative and judicial purposes. · N.Y. Laws 1808, 31st sess., ch. 40, secs. 1-2/p. 266
- 1811
Land and parcels
What the maps cover in Chautauqua
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 89,266 parcels from Chautauqua County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 15 October 2026 -
Address points Official
One point per address, 82,630 in all from NYS Office of Information Technology Services (ITS), Geospatial Services / GIS Program Office (AGOL org 'ShareGIS NY', owner NYSGIS_GPO).
edited 25 September 2026 · checked 14 October 2026 -
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
Chautauqua 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
Chautauqua 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 Chautauqua County.
See your own lot on these maps
Open Chautauqua 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 Chautauqua County
- When was Chautauqua County founded?
- Chautauqua County was founded in 1808, formed from Genesee County and Niagara County, and named after Chautauqua Lake, New York.
- What is the county seat of Chautauqua County?
- The county seat of Chautauqua County is Mayville.
- Is there an online parcel map for Chautauqua County?
- Yes. Chautauqua County publishes a parcel map of 89,266 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Chautauqua County's boundary or name changed?
- Chautauqua County was created in 1808 from Genesee County and Niagara County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Niagara County.
- Is my lot in a flood zone?
- We do not have flood maps for Chautauqua County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby