Lawrence County area

Lawrence County, Missouri covers 613.4 square miles: 611.8 square miles of land and 1.625 square miles of water. Its county seat is Mount Vernon. An estimated 39,401 people lived there in 2025.

Official Census measurements · GEOID 291092026 Gazetteer · retrieved September 27, 2026
Land area611.8 mi²
Water area1.625 mi²
Population (2025)39,401
People per mi²64

County outline

Generalized outline of Lawrence 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 Lawrence County is located

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

Area breakdown

Land accounts for 99.7% of Lawrence County’s measured area and water for 0.3%. Its combined area converts to 1,588.6 square kilometers or approximately 392,562 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land611.7531,584.433391,521.9
Water1.6254.2091,040
Total613.3781,588.642392,561.9

How Lawrence County compares

By original Census land area, Lawrence County ranks #52 of 115 in Missouri and #1582 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.033 times the Missouri county-equivalent median of 592 square miles. It accounts for 0.9% of the combined county land area in the state.

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

Population and density of Lawrence County

The Census Bureau estimates that 39,401 people lived in Lawrence County on July 1, 2025. That ranks #1,226 of 3,222 county equivalents nationally and #30 of 115 in Missouri. Since the April 1, 2020 estimates base of 38,003, the population has grown by 1,398 (+3.7%), compared with +1.9% for Missouri as a whole.

With 611.8 square miles of land, that is 64 people per square mile (25 per km²), placing Lawrence County #1,330 nationally for density and #31 in Missouri. The median county equivalent has 47 people per square mile; the Missouri median is 31. Put another way, there are about 9.9 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate37,99038,27438,67138,90239,20939,401
Change—+284+397+231+307+192

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 Lawrence County

10 incorporated places lie at least partly in Lawrence County. Together they are home to 21,281 people (54%); the other 18,120 (46%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Aurora city, with 7,686 residents in the county. The county seat, Mount Vernon city, has 4,835 residents. By land, Monett city is the largest at 8.787 mi² across all its counties. Among places with at least 1,000 residents in 2020, Mount Vernon city grew fastest since then (+6.9%).

Incorporated placePopulation 2025Since 2020Land mi²
Aurora city7,686+5.6%6.395
Mount Vernon cityCounty seat4,835+6.9%4.132
Monett cityAlso in 1 other county3,680+5.6%8.787
Marionville city2,108+2.3%1.785
Pierce City cityAlso in 1 other county1,275+2%1.29
Miller city715+1.7%0.767
Verona town520+3%0.868
Freistatt village182+1.1%0.212
Stotts City city175+2.3%0.512
Halltown village105+1.9%0.21

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

Metropolitan area

Lawrence 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

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

647486484864862648736560465605656106561265646656546566465682657056570765708657126572365738657526575665769

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 Lawrence County

Lawrence County shares a land border with 7 county equivalents. It has more land than 3 of them. The largest neighbor is Barry County (778.1 mi²) and the smallest is Stone County (463.8 mi²). Together with its neighbors, Lawrence County forms a block of 4,844.9 mi² of land, of which it holds 12.6%.

Map of Lawrence County and the 7 county equivalents that border it Barry County, Missouri: 778.1 mi² landDade County, Missouri: 490 mi² landJasper County, Missouri: 638.5 mi² landGreene County, Missouri: 675.3 mi² landNewton County, Missouri: 624.8 mi² landChristian County, Missouri: 562.6 mi² landStone County, Missouri: 463.8 mi² land
Lawrence 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. LawrenceCompare
Barry County778.11.3× largerCompare
Greene County675.31.1× largerCompare
Jasper County638.5about the sameCompare
Newton County624.8about the sameCompare
Christian County562.61.1× smallerCompare
Dade County4901.2× smallerCompare
Stone County463.81.3× smallerCompare

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

Lawrence County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.7 times as much. Missouri’s county land could hold about 112 areas the size of Lawrence County.

Land area: Lawrence County and the closest-sized states
Lawrence County611.8 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 24.7 miles (39.8 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 Lawrence County?

Lawrence County has more land than 1,640 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Lawrence County611.8 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 Lawrence County at #1,700 nationally by total area, 118 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 0.3%, 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 Lawrence County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1581Crittenden County, Arkansas611.8Compare
#1582Lawrence County, Missouri611.8This county
#1583Brown County, Minnesota611.3Compare

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 37.106517, -93.830034. 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: 1,584,432,020 m²; AWATER: 4,208,587 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 Lawrence County?

Lawrence County, Missouri has 611.8 square miles (1,584.4 km²) of land and 1.625 square miles of water, for a total area of 613.4 square miles. It ranks #1582 of 3,222 U.S. county equivalents by land area.

Is Lawrence County the largest county in Missouri?

No. Lawrence County ranks #52 of 115 in Missouri by land area. The largest is Texas County, with 1,177.3 square miles of land.

What counties border Lawrence County?

Lawrence County shares a land border with Barry County, Dade County, Jasper County, Greene County, Newton County, Christian County, and Stone County.

What is the population of Lawrence County?

The Census Bureau estimates Lawrence County had 39,401 residents on July 1, 2025, ranking #1,226 of 3,222 county equivalents. That is 64 people per square mile of land.

What is the county seat of Lawrence County?

The county seat of Lawrence County is Mount Vernon.

What cities and towns are in Lawrence County?

Lawrence County has 10 incorporated places. The most populous five are Aurora city, Mount Vernon city, Monett city, Marionville city, and Pierce City city; 18,120 residents live outside any incorporated place.

Is Lawrence County part of a metropolitan area?

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

How many ZIP codes are in Lawrence County?

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

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

It has less land than every state. Rhode Island, the smallest, has 1.7 times as much land.

How many acres of land are in Lawrence County?

The land measurement converts to approximately 391,522 acres. Including water, total area is approximately 392,562 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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