McDonald County area

McDonald County, Missouri covers 539.6 square miles: 539.4 square miles of land and 0.201 square miles of water. Its county seat is Pineville. An estimated 23,992 people lived there in 2025.

Official Census measurements · GEOID 291192026 Gazetteer · retrieved September 27, 2026
Land area539.4 mi²
Water area0.201 mi²
Population (2025)23,992
People per mi²44

County outline

Generalized outline of McDonald County, Missouri
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 McDonald County is located

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

Area breakdown

Land accounts for 100% of McDonald County’s measured area and water for 0%. Its combined area converts to 1,397.7 square kilometers or approximately 345,373 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land539.4451,397.156345,244.8
Water0.2010.521128.6
Total539.6461,397.677345,373.4

How McDonald County compares

By original Census land area, McDonald County ranks #71 of 115 in Missouri and #1938 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.911 times the Missouri county-equivalent median of 592 square miles. It accounts for 0.8% of the combined county land area in the state.

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

Population and density of McDonald County

The Census Bureau estimates that 23,992 people lived in McDonald County on July 1, 2025. That ranks #1,697 of 3,222 county equivalents nationally and #46 of 115 in Missouri. Since the April 1, 2020 estimates base of 23,301, the population has grown by 691 (+3%), compared with +1.9% for Missouri as a whole.

With 539.4 square miles of land, that is 44 people per square mile (17 per km²), placing McDonald County #1,657 nationally for density and #42 in Missouri. The median county equivalent has 47 people per square mile; the Missouri median is 31. Put another way, there are about 14 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate23,28123,43723,60023,98523,82523,992
Change—+156+163+385−160+167

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 McDonald County

8 incorporated places lie at least partly in McDonald County. Together they are home to 8,197 people (34.2%); the other 15,795 (65.8%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Noel city, with 2,181 residents in the county. The county seat, Pineville city, has 836 residents. By land, Pineville city is the largest at 3.292 mi². Among places with at least 1,000 residents in 2020, Goodman city grew fastest since then (+10%).

Incorporated placePopulation 2025Since 2020Land mi²
Noel city2,181+2.4%2.025
Anderson city2,073+1.6%2.271
Goodman city1,320+10%1.327
Southwest City town969+5.2%1.463
Pineville cityCounty seat836+5.4%3.292
Jane town405+13.4%2.975
Lanagan town379+1.1%0.94
Ginger Blue village340%0.261

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

Metropolitan area

McDonald 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

15 ZIP Code Tabulation Areas have land in McDonald County; 10 of them have most of their land inside the county, and the others mainly cover neighboring areas.

648316484364847648506485464856648616486364865648676486865647657306574565772

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 McDonald County

McDonald County shares a land border with 5 county equivalents, including 3 in Arkansas and Oklahoma. It has more land than 1 of them. The largest neighbor is Benton County (847.7 mi²) and the smallest is Ottawa County (470.8 mi²). Together with its neighbors, McDonald County forms a block of 3,998.5 mi² of land, of which it holds 13.5%.

Map of McDonald County and the 5 county equivalents that border it Newton County, Missouri: 624.8 mi² landBenton County, Arkansas: 847.7 mi² landBarry County, Missouri: 778.1 mi² landDelaware County, Oklahoma: 737.7 mi² landOttawa County, Oklahoma: 470.8 mi² land
McDonald 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. McDonaldCompare
Benton CountyArkansas847.71.6× largerCompare
Barry County778.11.4× largerCompare
Delaware CountyOklahoma737.71.4× largerCompare
Newton County624.81.2× largerCompare
Ottawa CountyOklahoma470.81.1× smallerCompare

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

McDonald County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.9 times as much. Missouri’s county land could hold about 127 areas the size of McDonald County.

Land area: McDonald County and the closest-sized states
McDonald County539.4 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 23.2 miles (37.4 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 McDonald County?

McDonald County has more land than 1,284 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
McDonald County539.4 mi²
Missouri median592 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 McDonald County at #2,043 nationally by total area, 105 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%, compared with a national county-equivalent median of 1.2% — 1.1 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 McDonald County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1937Harvey County, Kansas539.8Compare
#1938McDonald County, Missouri539.4This county
#1939Boyd County, Nebraska539.4Compare

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 36.622810, -94.352252. 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: 1,397,155,455 m²; AWATER: 520,250 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 McDonald County?

McDonald County, Missouri has 539.4 square miles (1,397.2 km²) of land and 0.201 square miles of water, for a total area of 539.6 square miles. It ranks #1938 of 3,222 U.S. county equivalents by land area.

Is McDonald County the largest county in Missouri?

No. McDonald County ranks #71 of 115 in Missouri by land area. The largest is Texas County, with 1,177.3 square miles of land.

What counties border McDonald County?

McDonald County shares a land border with Newton County, Benton County, Arkansas, Barry County, Delaware County, Oklahoma, and Ottawa County, Oklahoma.

What is the population of McDonald County?

The Census Bureau estimates McDonald County had 23,992 residents on July 1, 2025, ranking #1,697 of 3,222 county equivalents. That is 44 people per square mile of land.

What is the county seat of McDonald County?

The county seat of McDonald County is Pineville.

What cities and towns are in McDonald County?

McDonald County has 8 incorporated places. The most populous five are Noel city, Anderson city, Goodman city, Southwest City town, and Pineville city; 15,795 residents live outside any incorporated place.

Is McDonald County part of a metropolitan area?

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

How many ZIP codes are in McDonald County?

15 ZIP Code Tabulation Areas have land in McDonald County, and 10 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 1.9 times as much land.

How many acres of land are in McDonald County?

The land measurement converts to approximately 345,245 acres. Including water, total area is approximately 345,373 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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