County · code 42035
Clinton CountyPennsylvania
Clinton County is in Pennsylvania and has its county seat in Lock Haven. It was formed on June 21, 1839, from parts of Centre and Lycoming counties and named after DeWitt Clinton.
- Founded1839
- County seatLock Haven
- Named forDeWitt Clinton
- Land area888 sq mi + 9 sq mi water
- Population37,450 2020 Census
- Parcels mapped33,359 checked 15 October 2026
Where it is
Clinton on the map of Pennsylvania
Pennsylvania has 67 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1839 from Centre County and Lycoming County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Clinton County lost territory to the creation of Cameron County in 1860 and to Lycoming County in 1867, but gained land back from Lycoming in 1868.
- 1839Clinton County created Clinton created from Centre and Lycoming. · Pa. Laws 1838-1839, no. 145, sec. 1/p. 362
- 1860Lost territory Clinton lost to the creation of Cameron. · Pa. Laws 1860, no. 598, secs. 1-2/pp. 697-698
- 1867Lost territory Clinton lost to Lycoming. · Lycoming County Road Docket, 1859-1868, vol. 6, p. 530
- 1868Gained territory Clinton gained from Lycoming. · Pa. Laws 1868, no. 486, secs. 1-2/p. 526
Land and parcels
What the maps cover in Clinton
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 33,359 parcels from Clinton 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 Clinton 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
Clinton 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
Clinton 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 Clinton County.
See your own lot on these maps
Open Clinton 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 Clinton County
- When was Clinton County founded?
- Clinton County was founded in 1839, formed from Centre County and Lycoming County, and named after DeWitt Clinton.
- What is the county seat of Clinton County?
- The county seat of Clinton County is Lock Haven.
- Is there an online parcel map for Clinton County?
- Yes. Clinton County publishes a parcel map of 33,359 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Clinton County's boundary or name changed?
- Clinton County was created in 1839 from Centre County and Lycoming County. Since then the Atlas of Historical County Boundaries records 3 later changes, chiefly involving Lycoming County and Cameron County.
- Is my lot in a flood zone?
- We do not have flood maps for Clinton County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby