County · code 30045
Judith Basin CountyMontana
Judith Basin County is a county in Montana with its seat in Stanford, formed in 1920.
- Founded1920
- County seatStanford
- Named forJudith River
- Land area1,870 sq mi + 0.8 sq mi water
- Population2,023 2020 Census
- Parcels mapped7,292 checked 14 October 2026
Where it is
Judith Basin 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 Cascade County, Fergus County and Chouteau County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Judith Basin County was created on December 10, 1920, from parts of Cascade, Fergus, and Chouteau Counties. The county was named after the Judith River. In 1925, it gained additional territory from Fergus County.
- 1920Judith Basin County created Judith Basin created by petition and election from Cascade, Fergus, and a small area of Chouteau. · Mont. Rev. Code 1921, sec. 4327/pp. 1584-1586; Burlingame, 17-20
- 1925Gained territory Judith Basin gained from Fergus. · Mont. Laws 1925, 19th leg., ch. 93, sec. 2/pp. 127-130; "State ex rel. Foot v. Burr et al.," in Mont. Rpts., 73: 586-590
- 1951Boundary clarified Judith Basin boundaries redefined to correct mistake in the 1935 and 1947 Revised Codes of Montana (no change).no change· Mont. Laws 1951, 32d leg., ch. 173/pp. 342-349
Land and parcels
What the maps cover in Judith Basin
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 7,292 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, 1,796 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
Judith Basin 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
Judith Basin 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 Judith Basin County.
See your own lot on these maps
Open Judith Basin 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 Judith Basin County
- When was Judith Basin County founded?
- Judith Basin County was founded in 1920, formed from Cascade County, Fergus County and Chouteau County, and named after Judith River.
- What is the county seat of Judith Basin County?
- The county seat of Judith Basin County is Stanford.
- Is there an online parcel map for Judith Basin County?
- Yes. A public source publishes a parcel map of 7,292 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Judith Basin County's boundary or name changed?
- Judith Basin County was created in 1920 from Cascade County, Fergus County and Chouteau County. Since then the Atlas of Historical County Boundaries records 1 later change, chiefly involving Fergus County.
- Is my lot in a flood zone?
- We do not have flood maps for Judith Basin County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby