Golden Valley County area

Golden Valley County, North Dakota covers 1,002.5 square miles: 1,000.9 square miles of land and 1.6 square miles of water. Its county seat is Beach. An estimated 1,808 people lived there in 2025.

Official Census measurements · GEOID 380332026 Gazetteer · retrieved September 27, 2026
Land area1,000.9 mi²
Water area1.6 mi²
Population (2025)1,808
People per mi²1.8

County outline

Generalized outline of Golden Valley County, North Dakota
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 Golden Valley County is located

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

Area breakdown

Land accounts for 99.8% of Golden Valley County’s measured area and water for 0.2%. Its combined area converts to 2,596.4 square kilometers or approximately 641,592 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,000.8872,592.285640,567.7
Water1.64.1441,024
Total1,002.4872,596.429641,591.7

How Golden Valley County compares

By original Census land area, Golden Valley County ranks #38 of 53 in North Dakota and #679 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.861 times the North Dakota county-equivalent median of 1,161.8 square miles. It accounts for 1.5% of the combined county land area in the state.

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

Population and density of Golden Valley County

The Census Bureau estimates that 1,808 people lived in Golden Valley County on July 1, 2025. That ranks #3,131 of 3,222 county equivalents nationally and #49 of 53 in North Dakota. Since the April 1, 2020 estimates base of 1,735, the population has grown by 73 (+4.2%), compared with +2.6% for North Dakota as a whole.

With 1,000.9 square miles of land, that is 1.8 people per square mile (0.7 per km²), placing Golden Valley County #3,083 nationally for density and #47 in North Dakota. The median county equivalent has 47 people per square mile; the North Dakota median is 3.7. Put another way, there are about 354 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate1,7251,7631,7551,7561,7741,808
Change—+38−8+1+18+34

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 Golden Valley County

3 incorporated places lie at least partly in Golden Valley County. Together they are home to 1,151 people (63.7%); the other 657 (36.3%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Beach city, with 994 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Beach cityCounty seat994+1.4%2.552
Golva city88+10%0.32
Sentinel Butte city69+6.2%1.03

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

Metropolitan area

Golden Valley 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

4 ZIP Code Tabulation Areas have land in Golden Valley County; 3 of them have most of their land inside the county, and the others mainly cover neighboring areas.

58621586325864558654

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 Golden Valley County

Golden Valley County shares a land border with 5 county equivalents, including 2 in Montana. It has more land than 1 of them. The largest neighbor is McKenzie County (2,760.1 mi²) and the smallest is Wibaux County (889.6 mi²). Together with its neighbors, Golden Valley County forms a block of 8,634.9 mi² of land, of which it holds 11.6%.

Map of Golden Valley County and the 5 county equivalents that border it Billings County, North Dakota: 1,148.5 mi² landWibaux County, Montana: 889.6 mi² landSlope County, North Dakota: 1,215.3 mi² landMcKenzie County, North Dakota: 2,760.1 mi² landFallon County, Montana: 1,620.6 mi² land
Golden Valley 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. Golden ValleyCompare
McKenzie County2,760.12.8× largerCompare
Fallon CountyMontana1,620.61.6× largerCompare
Slope County1,215.31.2× largerCompare
Billings County1,148.51.1× largerCompare
Wibaux CountyMontana889.61.1× smallerCompare

How big is Golden Valley County compared with U.S. states?

Golden Valley County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1 times as much. North Dakota’s county land could hold about 69 areas the size of Golden Valley County.

Land area: Golden Valley County and the closest-sized states
Golden Valley County1,000.9 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 31.6 miles (50.9 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 Golden Valley County?

Golden Valley County has more land than 2,543 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Golden Valley County1,000.9 mi²
North Dakota median1,161.8 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 Golden Valley County at #773 nationally by total area, 94 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 0.2%, compared with a national county-equivalent median of 1.2% — 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 Golden Valley County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#678Otsego County, New York1,001.7Compare
#679Golden Valley County, North Dakota1,000.9This county
#680Grant County, Oklahoma1,000.7Compare

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 46.938924, -103.844612. 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: 2,592,286,023 m²; AWATER: 4,143,285 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 Golden Valley County?

Golden Valley County, North Dakota has 1,000.9 square miles (2,592.3 km²) of land and 1.6 square miles of water, for a total area of 1,002.5 square miles. It ranks #679 of 3,222 U.S. county equivalents by land area.

Is Golden Valley County the largest county in North Dakota?

No. Golden Valley County ranks #38 of 53 in North Dakota by land area. The largest is McKenzie County, with 2,760.1 square miles of land.

What counties border Golden Valley County?

Golden Valley County shares a land border with Billings County, Wibaux County, Montana, Slope County, McKenzie County, and Fallon County, Montana.

What is the population of Golden Valley County?

The Census Bureau estimates Golden Valley County had 1,808 residents on July 1, 2025, ranking #3,131 of 3,222 county equivalents. That is 1.8 people per square mile of land.

What is the county seat of Golden Valley County?

The county seat of Golden Valley County is Beach.

What cities and towns are in Golden Valley County?

Golden Valley County has 3 incorporated places. The most populous are Beach city, Golva city, and Sentinel Butte city; 657 residents live outside any incorporated place.

Is Golden Valley County part of a metropolitan area?

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

How many ZIP codes are in Golden Valley County?

4 ZIP Code Tabulation Areas have land in Golden Valley County, and 3 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Golden Valley County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1 times as much land.

How many acres of land are in Golden Valley County?

The land measurement converts to approximately 640,568 acres. Including water, total area is approximately 641,592 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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