Dent County area

Dent County, Missouri covers 754.5 square miles: 752.8 square miles of land and 1.745 square miles of water. Its county seat is Salem. An estimated 14,584 people lived there in 2025.

Official Census measurements · GEOID 290652026 Gazetteer · retrieved September 27, 2026
Land area752.8 mi²
Water area1.745 mi²
Population (2025)14,584
People per mi²19

County outline

Generalized outline of Dent 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 Dent County is located

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

Area breakdown

Land accounts for 99.8% of Dent County’s measured area and water for 0.2%. Its combined area converts to 1,954.2 square kilometers or approximately 482,884 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land752.7611,949.642481,767
Water1.7454.521,116.8
Total754.5061,954.162482,883.8

How Dent County compares

By original Census land area, Dent County ranks #20 of 115 in Missouri and #1170 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.271 times the Missouri county-equivalent median of 592 square miles. It accounts for 1.1% of the combined county land area in the state.

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

Population and density of Dent County

The Census Bureau estimates that 14,584 people lived in Dent County on July 1, 2025. That ranks #2,182 of 3,222 county equivalents nationally and #71 of 115 in Missouri. Since the April 1, 2020 estimates base of 14,420, the population has grown by 164 (+1.1%), compared with +1.9% for Missouri as a whole.

With 752.8 square miles of land, that is 19 people per square mile (7.5 per km²), placing Dent County #2,347 nationally for density and #83 in Missouri. The median county equivalent has 47 people per square mile; the Missouri median is 31. Put another way, there are about 33 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate14,39214,46114,47014,64714,66114,584
Change—+69+9+177+14−77

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 Dent County

2 incorporated places lie at least partly in Dent County. Together they are home to 4,774 people (32.7%); the other 9,810 (67.3%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Salem city, with 4,674 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Salem cityCounty seat4,674+0.6%3.479
Bunker cityAlso in 1 other county100+1%0.663

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

Metropolitan area

Dent 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

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

6362965401654406546265501655416554265560

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 Dent County

Dent County shares a land border with 6 county equivalents. It has more land than 3 of them. The largest neighbor is Texas County (1,177.3 mi²) and the smallest is Iron County (550.3 mi²). Together with its neighbors, Dent County forms a block of 5,706.9 mi² of land, of which it holds 13.2%.

Map of Dent County and the 6 county equivalents that border it Phelps County, Missouri: 671.8 mi² landCrawford County, Missouri: 742.5 mi² landReynolds County, Missouri: 808.5 mi² landShannon County, Missouri: 1,003.8 mi² landTexas County, Missouri: 1,177.3 mi² landIron County, Missouri: 550.3 mi² land
Dent 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. DentCompare
Texas County1,177.31.6× largerCompare
Shannon County1,003.81.3× largerCompare
Reynolds County808.51.1× largerCompare
Crawford County742.5about the sameCompare
Phelps County671.81.1× smallerCompare
Iron County550.31.4× smallerCompare

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

Dent County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.4 times as much. Missouri’s county land could hold about 91 areas the size of Dent County.

Land area: Dent County and the closest-sized states
Dent County752.8 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 27.4 miles (44.2 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 Dent County?

Dent County has more land than 2,052 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Dent County752.8 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 Dent County at #1,274 nationally by total area, 104 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% — 0.9 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 Dent County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1169Shelby County, Tennessee752.8Compare
#1170Dent County, Missouri752.8This county
#1171Salt Lake County, Utah752.7Compare

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 37.603072, -91.489717. 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: 1,949,641,190 m²; AWATER: 4,518,778 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 Dent County?

Dent County, Missouri has 752.8 square miles (1,949.6 km²) of land and 1.745 square miles of water, for a total area of 754.5 square miles. It ranks #1170 of 3,222 U.S. county equivalents by land area.

Is Dent County the largest county in Missouri?

No. Dent County ranks #20 of 115 in Missouri by land area. The largest is Texas County, with 1,177.3 square miles of land.

What counties border Dent County?

Dent County shares a land border with Phelps County, Crawford County, Reynolds County, Shannon County, Texas County, and Iron County.

What is the population of Dent County?

The Census Bureau estimates Dent County had 14,584 residents on July 1, 2025, ranking #2,182 of 3,222 county equivalents. That is 19 people per square mile of land.

What is the county seat of Dent County?

The county seat of Dent County is Salem.

What cities and towns are in Dent County?

Dent County has 2 incorporated places. The most populous are Salem city and Bunker city; 9,810 residents live outside any incorporated place.

Is Dent County part of a metropolitan area?

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

How many ZIP codes are in Dent County?

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

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

It has less land than every state. Rhode Island, the smallest, has 1.4 times as much land.

How many acres of land are in Dent County?

The land measurement converts to approximately 481,767 acres. Including water, total area is approximately 482,884 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