Pondera County area

Pondera County, Montana covers 1,641.5 square miles: 1,624.6 square miles of land and 17 square miles of water. Its county seat is Conrad. An estimated 6,072 people lived there in 2025.

Official Census measurements · GEOID 300732026 Gazetteer · retrieved September 27, 2026
Land area1,624.6 mi²
Water area17 mi²
Population (2025)6,072
People per mi²3.7

County outline

Generalized outline of Pondera County, Montana
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Pondera County is located

Pondera County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 99% of Pondera County’s measured area and water for 1%. Its combined area converts to 4,251.6 square kilometers or approximately 1,050,591 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,624.5674,207.6091,039,722.9
Water16.98143.98110,867.8
Total1,641.5484,251.591,050,590.7

How Pondera County compares

By original Census land area, Pondera County ranks #44 of 56 in Montana and #374 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.687 times the Montana county-equivalent median of 2,363.3 square miles. It accounts for 1.1% of the combined county land area in the state.

See the complete Montana ranking · What counts as a county equivalent?

Population and density of Pondera County

The Census Bureau estimates that 6,072 people lived in Pondera County on July 1, 2025. That ranks #2,801 of 3,222 county equivalents nationally and #33 of 56 in Montana. Since the April 1, 2020 estimates base of 5,908, the population has grown by 164 (+2.8%), compared with +5.6% for Montana as a whole.

With 1,624.6 square miles of land, that is 3.7 people per square mile (1.4 per km²), placing Pondera County #2,927 nationally for density and #23 in Montana. The median county equivalent has 47 people per square mile; the Montana median is 2.8. Put another way, there are about 171 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate5,8836,0226,0946,0986,0656,072
Change—+139+72+4−33+7

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Pondera County

2 incorporated places lie at least partly in Pondera County. Together they are home to 2,930 people (48.3%); the other 3,142 (51.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Conrad city, with 2,393 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Conrad cityCounty seat2,393+2.7%1.272
Valier town537+2.7%0.865

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Pondera County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Pondera County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

6 ZIP Code Tabulation Areas have land in Pondera County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.

594165942559432594485945659486

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Pondera County

Pondera County shares a land border with 6 county equivalents. It has more land than 1 of them. The largest neighbor is Flathead County (5,087.3 mi²) and the smallest is Liberty County (1,430 mi²). Together with its neighbors, Pondera County forms a block of 19,296 mi² of land, of which it holds 8.4%.

Map of Pondera County and the 6 county equivalents that border it Teton County, Montana: 2,271.6 mi² landGlacier County, Montana: 2,995.2 mi² landToole County, Montana: 1,914.9 mi² landFlathead County, Montana: 5,087.3 mi² landChouteau County, Montana: 3,972.5 mi² landLiberty County, Montana: 1,430 mi² land
Pondera County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. PonderaCompare
Flathead County5,087.33.1× largerCompare
Chouteau County3,972.52.4× largerCompare
Glacier County2,995.21.8× largerCompare
Teton County2,271.61.4× largerCompare
Toole County1,914.91.2× largerCompare
Liberty County1,4301.1× smallerCompare

How big is Pondera County compared with U.S. states?

Pondera County has more land than 1 of the 50 states. It is about 1.6 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.2 times as much land (1,948.6 mi²). Montana’s county land could hold about 90 areas the size of Pondera County.

Land area: Pondera County and the closest-sized states
Rhode Island1,033.9 mi²
Pondera County1,624.6 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 40.3 miles (64.9 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Pondera County?

Pondera County has more land than 2,848 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Pondera County1,624.6 mi²
Montana median2,363.3 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Pondera County at #410 nationally by total area, 36 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.

Its water share is 1%, compared with a national county-equivalent median of 1.2% — 0.1 percentage points lower. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Pondera County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#373Curry County, Oregon1,628.4Compare
#374Pondera County, Montana1,624.6This county
#375Fallon County, Montana1,620.6Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 48.221367, -112.225322. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 4,207,608,364 m²; AWATER: 43,980,663 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Pondera County?

Pondera County, Montana has 1,624.6 square miles (4,207.6 km²) of land and 17 square miles of water, for a total area of 1,641.5 square miles. It ranks #374 of 3,222 U.S. county equivalents by land area.

Is Pondera County the largest county in Montana?

No. Pondera County ranks #44 of 56 in Montana by land area. The largest is Beaverhead County, with 5,542.7 square miles of land.

What counties border Pondera County?

Pondera County shares a land border with Teton County, Glacier County, Toole County, Flathead County, Chouteau County, and Liberty County.

What is the population of Pondera County?

The Census Bureau estimates Pondera County had 6,072 residents on July 1, 2025, ranking #2,801 of 3,222 county equivalents. That is 3.7 people per square mile of land.

What is the county seat of Pondera County?

The county seat of Pondera County is Conrad.

What cities and towns are in Pondera County?

Pondera County has 2 incorporated places. The most populous are Conrad city and Valier town; 3,142 residents live outside any incorporated place.

Is Pondera County part of a metropolitan area?

No. Pondera County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Pondera County?

6 ZIP Code Tabulation Areas have land in Pondera County, and 5 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Pondera County compare with U.S. states?

It has more land than 1 of the 50 states, including Rhode Island (1,033.9 square miles of land).

How many acres of land are in Pondera County?

The land measurement converts to approximately 1,039,723 acres. Including water, total area is approximately 1,050,591 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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