Montgomery County, Texas

County seat: Conroe · Population 781,194 (2025) · 1,042 sq mi

Montgomery County is the 11th most populous of Texas's 254 counties, with 781,194 people (2025 estimate). Its county seat is Conroe. It is part of the Gulf Coast region, one of the 12 Texas Comptroller economic regions. The map shows its 17 cities and towns and the 6 neighboring counties.

Map of Montgomery County, Texas with cities, towns and the county boundary
Montgomery County, Texas with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
Download PDF (Letter) 181 KBPNG image 106 KBTexas county map

Montgomery County facts

County seat
Conroe
Population (2025 estimate)
781,194 +25.9% since 2020
Land area
1,042 sq mi 65th largest of 254
Water area
35 sq mi
Population density
750 per sq mi
Established
1837
Named after
Montgomery city in Montgomery County, Texas, United States
Largest city
Conroe 119,564
Median household income
$97,701
Cities and towns
17 plus 5 CDPs
ZIP codes
27
Time zone
Central
FIPS code
48339

Cities and towns in Montgomery County

Montgomery County has 17 incorporated cities, towns and villages. Populations count the people living inside Montgomery County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Conroe (county seat)City119,564
MagnoliaCity8,095
WillisCity7,652
HoustonCity6,301Fort Bend, Harris and Waller counties
ShenandoahCity3,833
MontgomeryCity3,105
Oak Ridge NorthCity2,991
Panorama VillageCity2,522
Roman ForestCity2,347
SplendoraCity2,146
Patton VillageCity2,069
WoodbranchCity1,624
Cut and ShootCity1,141
StagecoachTown606
WoodlochTown177
ClevelandCity58Liberty and San Jacinto counties
TomballCity0Harris County

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
The Woodlands102,039Harris County
Pinehurst4,266
Deerwood2,366
Porter Heights987
Grangerland920

ZIP codes in Montgomery County

27 ZIP codes reach into Montgomery County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Montgomery County, 2020–2025

Montgomery County grew by 160,643 people (+25.9%) between April 2020 and July 2025: 18,344 more births than deaths and a net gain of 142,163 people from migration.

Year (July 1)Population
2020625,369
2021650,934
2022681,285
2023715,961
2024751,183
2025781,194

Neighboring counties

Printable Montgomery County map

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Sources

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