When was Pondera County founded?

Pondera County was founded in 1919, formed from Chouteau County and Teton County.

What is the county seat of Pondera County?

The county seat of Pondera County is Conrad.

Is there an online parcel map for Pondera County?

Yes. A public source publishes a parcel map of 8,356 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.

Has Pondera County's boundary or name changed?

Pondera County was created in 1919 from Chouteau County and Teton 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 Pondera County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

County · code 30073

Pondera CountyMontana

Pondera County is in Montana and has its county seat in Conrad. The county was created in 1919 from parts of Chouteau and Teton Counties.

Founded1919
County seatConrad
Land area1,625 sq mi + 17 sq mi water
Population5,898 2020 Census
Parcels mapped8,356 checked 14 October 2026

Open the free map Click any parcel in Pondera County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated 19 October 2026

Census outline · seat marked

History

Formed in 1919 from Chouteau County and Teton County

An old deed may name a county that no longer exists, or a boundary that has since moved.

Pondera County was created by an act passed on 17 February 1919 that took effect on 1 April 1919, formed from Chouteau County and Teton County.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

1919
Pondera County created Pondera created from Chouteau and Teton. Act passed 17 February 1919; took effect 1 April 1919.
from Chouteau from Teton
1 April 1919 · Mont. Laws 1919, 16th leg., ch. 22/pp. 38-45

Land and parcels

What the maps cover in Pondera

Who publishes each layer, how good it is, and when we last checked.

Parcels Good enough

Lot lines and tax-map numbers for 8,356 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, 3,975 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

Pondera by the Census

Population

5,898 2020 Census count

Housing units

2,759 2020 Census count

Land area

1,625 square miles

Water area

17 square miles

People per sq mi

4 population ÷ land area

Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.

Rules and offices

Pondera 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 Pondera County.
ponderacountymontana.org

See your own lot on these maps

Open Pondera 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.

Open the free map no sign-in Pro early access

Questions

Common questions about Pondera County

When was Pondera County founded?: Pondera County was founded in 1919, formed from Chouteau County and Teton County.
What is the county seat of Pondera County?: The county seat of Pondera County is Conrad.
Is there an online parcel map for Pondera County?: Yes. A public source publishes a parcel map of 8,356 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Pondera County's boundary or name changed?: Pondera County was created in 1919 from Chouteau County and Teton 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 Pondera County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby