Ramsey County area

Ramsey County, North Dakota covers 1,301 square miles: 1,185.4 square miles of land and 115.6 square miles of water. Its county seat is Devils Lake. An estimated 11,530 people lived there in 2025.

Official Census measurements · GEOID 380712026 Gazetteer · retrieved September 27, 2026
Land area1,185.4 mi²
Water area115.6 mi²
Population (2025)11,530
People per mi²9.7

County outline

Generalized outline of Ramsey 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 Ramsey County is located

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

Area breakdown

Land accounts for 91.1% of Ramsey County’s measured area and water for 8.9%. Its combined area converts to 3,369.6 square kilometers or approximately 832,644 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land1,185.3673,070.086758,634.9
Water115.639299.50474,009
Total1,301.0063,369.59832,643.8

How Ramsey County compares

By original Census land area, Ramsey County ranks #26 of 53 in North Dakota and #515 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.02 times the North Dakota county-equivalent median of 1,161.8 square miles. It accounts for 1.7% 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 Ramsey County

The Census Bureau estimates that 11,530 people lived in Ramsey County on July 1, 2025. That ranks #2,388 of 3,222 county equivalents nationally and #12 of 53 in North Dakota. Since the April 1, 2020 estimates base of 11,606, the population has declined by 76 (−0.7%), compared with +2.6% for North Dakota as a whole.

With 1,185.4 square miles of land, that is 9.7 people per square mile (3.8 per km²), placing Ramsey County #2,655 nationally for density and #10 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 66 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate11,57411,61011,53411,49511,52611,530
Change—+36−76−39+31+4

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 Ramsey County

7 incorporated places lie at least partly in Ramsey County. Together they are home to 7,760 people (67.3%); the other 3,770 (32.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Devils Lake city, with 7,333 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Devils Lake cityCounty seat7,333+0.1%6.959
Edmore city138−2.8%0.295
Crary city112−1.8%0.949
Starkweather city97−2%0.13
Brocket city34−2.9%0.756
Hampden city28−3.4%0.172
Lawton city180%0.912

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

Metropolitan area

Ramsey 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

12 ZIP Code Tabulation Areas have land in Ramsey County; 9 of them have most of their land inside the county, and the others mainly cover neighboring areas.

582295830158321583255832758330583385834458345583625837758382

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 Ramsey County

Ramsey County shares a land border with 5 county equivalents. It has more land than 2 of them. The largest neighbor is Cavalier County (1,489.1 mi²) and the smallest is Nelson County (981.8 mi²). Together with its neighbors, Ramsey County forms a block of 7,351.6 mi² of land, of which it holds 16.1%.

Map of Ramsey County and the 5 county equivalents that border it Benson County, North Dakota: 1,388.6 mi² landNelson County, North Dakota: 981.8 mi² landCavalier County, North Dakota: 1,489.1 mi² landWalsh County, North Dakota: 1,281.6 mi² landTowner County, North Dakota: 1,025.1 mi² land
Ramsey 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. RamseyCompare
Cavalier County1,489.11.3× largerCompare
Benson County1,388.61.2× largerCompare
Walsh County1,281.61.1× largerCompare
Towner County1,025.11.2× smallerCompare
Nelson County981.81.2× smallerCompare

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

Ramsey County has more land than 1 of the 50 states. It is about 1.1 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.6 times as much land (1,948.6 mi²). North Dakota’s county land could hold about 58 areas the size of Ramsey County.

Land area: Ramsey County and the closest-sized states
Rhode Island1,033.9 mi²
Ramsey County1,185.4 mi²
Delaware1,948.6 mi²

Another way to picture it: the same land area would fill a square about 34.4 miles (55.4 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 Ramsey County?

Ramsey County has more land than 2,707 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Ramsey County1,185.4 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 Ramsey County at #531 nationally by total area, 16 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 8.9%, compared with a national county-equivalent median of 1.2% — 7.7 percentage points higher. 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 Ramsey County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#514Broadwater County, Montana1,192.4Compare
#515Ramsey County, North Dakota1,185.4This county
#516Bennett County, South Dakota1,184.6Compare

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 48.266163, -98.739031. 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: 3,070,086,518 m²; AWATER: 299,504,062 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 Ramsey County?

Ramsey County, North Dakota has 1,185.4 square miles (3,070.1 km²) of land and 115.6 square miles of water, for a total area of 1,301 square miles. It ranks #515 of 3,222 U.S. county equivalents by land area.

Is Ramsey County the largest county in North Dakota?

No. Ramsey County ranks #26 of 53 in North Dakota by land area. The largest is McKenzie County, with 2,760.1 square miles of land.

What counties border Ramsey County?

Ramsey County shares a land border with Benson County, Nelson County, Cavalier County, Walsh County, and Towner County.

What is the population of Ramsey County?

The Census Bureau estimates Ramsey County had 11,530 residents on July 1, 2025, ranking #2,388 of 3,222 county equivalents. That is 9.7 people per square mile of land.

What is the county seat of Ramsey County?

The county seat of Ramsey County is Devils Lake.

What cities and towns are in Ramsey County?

Ramsey County has 7 incorporated places. The most populous five are Devils Lake city, Edmore city, Crary city, Starkweather city, and Brocket city; 3,770 residents live outside any incorporated place.

Is Ramsey County part of a metropolitan area?

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

How many ZIP codes are in Ramsey County?

12 ZIP Code Tabulation Areas have land in Ramsey County, and 9 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Ramsey 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 Ramsey County?

The land measurement converts to approximately 758,635 acres. Including water, total area is approximately 832,644 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

Download the complete CSV or JSON dataset