Pulaski County area

Pulaski County, Missouri covers 551.6 square miles: 547.2 square miles of land and 4.368 square miles of water. Its county seat is Waynesville. An estimated 54,442 people lived there in 2025.

Official Census measurements · GEOID 291692026 Gazetteer · retrieved September 27, 2026
Land area547.2 mi²
Water area4.368 mi²
Population (2025)54,442
People per mi²99

County outline

Generalized outline of Pulaski 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 Pulaski County is located

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

Area breakdown

Land accounts for 99.2% of Pulaski County’s measured area and water for 0.8%. Its combined area converts to 1,428.6 square kilometers or approximately 353,014 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land547.2161,417.283350,218.2
Water4.36811.3132,795.5
Total551.5841,428.596353,013.8

How Pulaski County compares

By original Census land area, Pulaski County ranks #68 of 115 in Missouri and #1907 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.924 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 Pulaski County

The Census Bureau estimates that 54,442 people lived in Pulaski County on July 1, 2025. That ranks #968 of 3,222 county equivalents nationally and #22 of 115 in Missouri. Since the April 1, 2020 estimates base of 53,950, the population has grown by 492 (+0.9%), compared with +1.9% for Missouri as a whole.

With 547.2 square miles of land, that is 99 people per square mile (38 per km²), placing Pulaski County #1,002 nationally for density and #20 in Missouri. The median county equivalent has 47 people per square mile; the Missouri median is 31. Put another way, there are about 6.4 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate54,00553,82053,78153,75453,89254,442
Change—−185−39−27+138+550

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 Pulaski County

5 incorporated places lie at least partly in Pulaski County. Together they are home to 14,859 people (27.3%); the other 39,583 (72.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is St. Robert city, with 5,602 residents in the county. The county seat, Waynesville city, has 5,558 residents. Among places with at least 1,000 residents in 2020, St. Robert city grew fastest since then (+8.2%).

Incorporated placePopulation 2025Since 2020Land mi²
St. Robert city5,602+8.2%8.422
Waynesville cityCounty seat5,558+2.6%7.153
Richland cityAlso in 2 other counties1,558+0.1%2.277
Dixon city1,222−0.6%1.044
Crocker city919−0.8%1.232

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

Metropolitan area

Pulaski County is a central county of the Fort Leonard Wood, MO Micropolitan Statistical Area. Pulaski County is the area’s only county equivalent, so the micro area has the same 547.2 square miles of land. By combined land it ranks #404 of 542 micropolitan areas, and #196 by population.

ZIP codes

11 ZIP Code Tabulation Areas have land in Pulaski County; 7 of them have most of their land inside the county, and the others mainly cover neighboring areas.

6545265457654596546165473655346555065552655566558365584

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 Pulaski County

Pulaski County shares a land border with 6 county equivalents. It has more land than 1 of them. The largest neighbor is Texas County (1,177.3 mi²) and the smallest is Maries County (526.9 mi²). Together with its neighbors, Pulaski County forms a block of 4,936.4 mi² of land, of which it holds 11.1%.

Map of Pulaski County and the 6 county equivalents that border it Phelps County, Missouri: 671.8 mi² landLaclede County, Missouri: 764.7 mi² landTexas County, Missouri: 1,177.3 mi² landMiller County, Missouri: 592.7 mi² landCamden County, Missouri: 655.8 mi² landMaries County, Missouri: 526.9 mi² land
Pulaski 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. PulaskiCompare
Texas County1,177.32.2× largerCompare
Laclede County764.71.4× largerCompare
Phelps County671.81.2× largerCompare
Camden County655.81.2× largerCompare
Miller County592.71.1× largerCompare
Maries County526.9about the sameCompare

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

Pulaski 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 126 areas the size of Pulaski County.

Land area: Pulaski County and the closest-sized states
Pulaski County547.2 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 23.4 miles (37.6 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 Pulaski County?

Pulaski County has more land than 1,315 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Pulaski County547.2 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 Pulaski County at #2,003 nationally by total area, 96 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 0.8%, compared with a national county-equivalent median of 1.2% — 0.4 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 Pulaski County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1906Atchison County, Missouri547.3Compare
#1907Pulaski County, Missouri547.2This county
#1908Colquitt County, Georgia547.1Compare

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 37.824835, -92.207022. 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: 1,417,283,363 m²; AWATER: 11,314,201 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 Pulaski County?

Pulaski County, Missouri has 547.2 square miles (1,417.3 km²) of land and 4.368 square miles of water, for a total area of 551.6 square miles. It ranks #1907 of 3,222 U.S. county equivalents by land area.

Is Pulaski County the largest county in Missouri?

No. Pulaski County ranks #68 of 115 in Missouri by land area. The largest is Texas County, with 1,177.3 square miles of land.

What counties border Pulaski County?

Pulaski County shares a land border with Phelps County, Laclede County, Texas County, Miller County, Camden County, and Maries County.

What is the population of Pulaski County?

The Census Bureau estimates Pulaski County had 54,442 residents on July 1, 2025, ranking #968 of 3,222 county equivalents. That is 99 people per square mile of land.

What is the county seat of Pulaski County?

The county seat of Pulaski County is Waynesville.

What cities and towns are in Pulaski County?

Pulaski County has 5 incorporated places. The most populous are St. Robert city, Waynesville city, Richland city, Dixon city, and Crocker city; 39,583 residents live outside any incorporated place.

Is Pulaski County part of a metropolitan area?

Yes. It is a central county of the Fort Leonard Wood, MO Micropolitan Statistical Area.

How many ZIP codes are in Pulaski County?

11 ZIP Code Tabulation Areas have land in Pulaski County, and 7 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Pulaski 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 Pulaski County?

The land measurement converts to approximately 350,218 acres. Including water, total area is approximately 353,014 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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