County · code 30051
Liberty CountyMontana
Liberty County is a county in Montana with its seat in Chester. It was created in 1920.
- Founded1920
- County seatChester
- Named forliberty
- Land area1,430 sq mi + 17 sq mi water
- Population1,959 2020 Census
- Parcels mapped4,797 checked 14 October 2026
Where it is
Liberty on the map of Montana
Montana has 56 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1920 from Chouteau County and Hill County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Liberty County was created on February 11, 1920, by petition and election from Chouteau County and Hill County. The county is named after liberty.
- 1920Liberty County created Liberty created by petition and election from Chouteau and Hill. · Mont. Rev. Code 1921, sec. 4329/pp. 1587-1588; Burlingame, 17-20
Land and parcels
What the maps cover in Liberty
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 4,797 parcels. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 14 October 2026 -
Address points Official
One point per address, 1,642 in all from Montana State Library.
edited 13 October 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
Liberty 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
Liberty 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 Liberty County.
See your own lot on these maps
Open Liberty 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 Liberty County
- When was Liberty County founded?
- Liberty County was founded in 1920, formed from Chouteau County and Hill County, and named after liberty.
- What is the county seat of Liberty County?
- The county seat of Liberty County is Chester.
- Is there an online parcel map for Liberty County?
- Yes. A public source publishes a parcel map of 4,797 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Liberty County's boundary or name changed?
- Liberty County was created in 1920 from Chouteau County and Hill County. The Atlas of Historical County Boundaries records no boundary change since.
- Is my lot in a flood zone?
- We do not have flood maps for Liberty County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby