Montgomery County area

Montgomery County, North Carolina covers 501.5 square miles: 491.5 square miles of land and 9.995 square miles of water. Its county seat is Troy. An estimated 26,403 people lived there in 2025.

Official Census measurements · GEOID 371232026 Gazetteer · retrieved September 27, 2026
Land area491.5 mi²
Water area9.995 mi²
Population (2025)26,403
People per mi²54

County outline

Generalized outline of Montgomery County, North Carolina
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 Montgomery County is located

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

Area breakdown

Land accounts for 98% of Montgomery County’s measured area and water for 2%. Its combined area converts to 1,299 square kilometers or approximately 320,980 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land491.5371,273.075314,583.7
Water9.99525.8876,396.8
Total501.5321,298.962320,980.5

How Montgomery County compares

By original Census land area, Montgomery County ranks #45 of 100 in North Carolina and #2117 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 1.068 times the North Carolina county-equivalent median of 460.3 square miles. It accounts for 1% of the combined county land area in the state.

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

Population and density of Montgomery County

The Census Bureau estimates that 26,403 people lived in Montgomery County on July 1, 2025. That ranks #1,607 of 3,222 county equivalents nationally and #74 of 100 in North Carolina. Since the April 1, 2020 estimates base of 25,740, the population has grown by 663 (+2.6%), compared with +7.2% for North Carolina as a whole.

With 491.5 square miles of land, that is 54 people per square mile (21 per km²), placing Montgomery County #1,483 nationally for density and #81 in North Carolina. The median county equivalent has 47 people per square mile; the North Carolina median is 116. Put another way, there are about 12 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate25,70025,83425,86526,22726,34826,403
Change—+134+31+362+121+55

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 Montgomery County

5 incorporated places lie at least partly in Montgomery County. Together they are home to 7,741 people (29.3%); the other 18,662 (70.7%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Troy town, with 3,020 residents in the county. By land, Mount Gilead town is the largest at 4.568 mi². Among places with at least 1,000 residents in 2020, Troy town grew fastest since then (+5.9%).

Incorporated placePopulation 2025Since 2020Land mi²
Troy townCounty seat3,020+5.9%3.838
Biscoe town1,887+2.6%2.913
Mount Gilead town1,187+1.2%4.568
Star town824+1%1.447
Candor townAlso in 1 other county823+1.4%2.025

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

Metropolitan area

Montgomery 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

9 ZIP Code Tabulation Areas have land in Montgomery County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.

272092722927247272812730627341273562737128127

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 Montgomery County

Montgomery County shares a land border with 5 county equivalents. It has more land than 2 of them. The largest neighbor is Randolph County (782.4 mi²) and the smallest is Stanly County (395.1 mi²). Together with its neighbors, Montgomery County forms a block of 3,393.3 mi² of land, of which it holds 14.5%.

Map of Montgomery County and the 5 county equivalents that border it Stanly County, North Carolina: 395.1 mi² landMoore County, North Carolina: 697.6 mi² landRichmond County, North Carolina: 473.7 mi² landRandolph County, North Carolina: 782.4 mi² landDavidson County, North Carolina: 553 mi² land
Montgomery 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. MontgomeryCompare
Randolph County782.41.6× largerCompare
Moore County697.61.4× largerCompare
Davidson County5531.1× largerCompare
Richmond County473.7about the sameCompare
Stanly County395.11.2× smallerCompare

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

Montgomery County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.1 times as much. North Carolina’s county land could hold about 99 areas the size of Montgomery County.

Land area: Montgomery County and the closest-sized states
Montgomery County491.5 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 22.2 miles (35.7 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 Montgomery County?

Montgomery County has more land than 1,105 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Montgomery County491.5 mi²
North Carolina median460.3 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 Montgomery County at #2,176 nationally by total area, 59 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 2%, compared with a national county-equivalent median of 1.2% — 0.8 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 Montgomery County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#2116Burt County, Nebraska491.6Compare
#2117Montgomery County, North Carolina491.5This county
#2118McLeod County, Minnesota491.5Compare

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 35.327685, -79.910626. 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: 1,273,075,061 m²; AWATER: 25,887,300 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 Montgomery County?

Montgomery County, North Carolina has 491.5 square miles (1,273.1 km²) of land and 9.995 square miles of water, for a total area of 501.5 square miles. It ranks #2117 of 3,222 U.S. county equivalents by land area.

Is Montgomery County the largest county in North Carolina?

No. Montgomery County ranks #45 of 100 in North Carolina by land area. The largest is Robeson County, with 947.3 square miles of land.

What counties border Montgomery County?

Montgomery County shares a land border with Stanly County, Moore County, Richmond County, Randolph County, and Davidson County.

What is the population of Montgomery County?

The Census Bureau estimates Montgomery County had 26,403 residents on July 1, 2025, ranking #1,607 of 3,222 county equivalents. That is 54 people per square mile of land.

What is the county seat of Montgomery County?

The county seat of Montgomery County is Troy.

What cities and towns are in Montgomery County?

Montgomery County has 5 incorporated places. The most populous are Troy town, Biscoe town, Mount Gilead town, Star town, and Candor town; 18,662 residents live outside any incorporated place.

Is Montgomery County part of a metropolitan area?

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

How many ZIP codes are in Montgomery County?

9 ZIP Code Tabulation Areas have land in Montgomery County, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

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

It has less land than every state. Rhode Island, the smallest, has 2.1 times as much land.

How many acres of land are in Montgomery County?

The land measurement converts to approximately 314,584 acres. Including water, total area is approximately 320,980 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