Montgomery County GIS Maps
Montgomery County, Texas, has 620,443 residents across 316,269 parcels and covers 1,042.6 square miles. The population grew 36.1% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Montgomery County is 48339.
Conroe is the county's largest population center. Montgomery County also includes 22 zip codes, 9 public school districts and 14 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show parcel data, population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers, Parcels and sample data. Paid packages add full layers, analytics and database files.
Montgomery County Trends
- Population
- 620,443▴
- Median Home Value
- $317,500▴
- K-12 Enrollment
- 167,814▴
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Montgomery County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Montgomery County Parcels
Montgomery County has 316,269 mapped parcels covering 626,157 acres. The median assessed value is $275,658. The records carry 239,940 distinct owner names. About 4% of parcels list an owner mailing address outside Texas. Owner names, mailing addresses, site addresses, assessed values and lot sizes are on nearly every parcel. Browse the interactive Montgomery County Parcel viewer here.
Montgomery County Parcel Data Coverage
| Field | Parcels | Coverage |
|---|---|---|
| Parcel ID | 316,270 | 100% |
| Owner name | 314,370 | 99.4% |
| Owner mailing address | 316,270 | 100% |
| Site address | 316,270 | 100% |
| Land use code | 0 | 0% |
| Land use description | 0 | 0% |
| Assessed value | 316,270 | 100% |
| Land value | 316,270 | 100% |
| Improvement value | 316,270 | 100% |
| Acreage | 316,270 | 100% |
| Parcel boundary | 316,269 | 99.9% |
| Download all Montgomery County parcels. | ||
Field coverage measured across all Montgomery County parcel records.
Montgomery County Population
Montgomery County had 620,443 residents in 2020. That was 36.1% higher than in 2010. Montgomery County added 326,675 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 595 people per square mile. Some of the county's most populated postal areas include Spring, Porter and Magnolia.
Population Trend in Montgomery County TX
Montgomery County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Montgomery County Zip Codes
Montgomery County has 22 zip codes. Some of the county's most populated zip codes include Spring (77386), Porter (77365) and Magnolia (77354). Spring is the largest zip by population, with about 66,058 residents or 11% of the county total. Together, the three largest zips account for about 24% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Montgomery County TX
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 77386 | Spring | 66,058 | ▴ 81.4% |
| 77365 | Porter | 42,086 | ▴ 63.3% |
| 77354 | Magnolia | 40,625 | ▴ 34.5% |
| 77382 | Spring | 37,755 | ▴ 6.7% |
| 77304 | Conroe | 35,969 | ▴ 68.8% |
| Download all zip code data | |||
Montgomery County Zip Code populations and trends per most recent census data.
Montgomery County Demographics
Montgomery County has a median age of 37.2, which makes the county a little older than Texas overall. About 26.1% of residents are under 18, while 13.5% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 33.5% of the population, which points to a solid working-age base. About 37.9% of adults have a bachelor's degree or higher, above the statewide figure of 33.1%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.
Key Demographics for Montgomery County TX
Median Age
37.2
Under 18
26.1%
Age 65+
13.5%
Bachelor's+
37.9%
Montgomery County School Districts
Montgomery County is served by 9 public school districts with 167,814 students enrolled in 2024. The largest districts on the county map are Conroe Independent, Tomball Independent and New Caney Independent. Those three districts account for about 69% of public school enrollment in the map area. Total enrollment has grown modestly since 2017 across the districts shown on the county map.
Largest School Districts by Enrollment in Montgomery County TX
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Conroe Independent School District | 72,914 | 43.4% | ▴ 0.8% |
| Tomball Independent School District | 22,913 | 13.7% | ▴ 2.9% |
| New Caney Independent School District | 19,420 | 11.6% | ▴ 2.3% |
| Magnolia Independent School District | 14,916 | 8.9% | ▴ 3.1% |
| Cleveland Independent School District | 12,513 | 7.5% | ▴ 4.5% |
| Download all school district data | |||
Montgomery County school district enrollment and trends per most recent NCES reporting data.
Montgomery County Housing & Real Estate
Montgomery County has a median home value of $317,500 and a median gross rent of $1,471. About 72% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run above the Texas median, while rents come in above the state average. In March 2026, the median listing price was $375,000 and homes spent about 46 days on the market.
Montgomery County Housing Mix
Montgomery County housing mix: owner, renter and vacant units.
Montgomery County Housing Trends
Montgomery County median home value and rent trend (last 5 years).
Businesses in Montgomery County, TX
Montgomery County has 26,541 business listings across 1,109 categories. The largest categories in Montgomery County business listings are Real Estate Agents (539, 2.0%), Churches & Religious Organizations (405, 1.5%), and Insurance Agencies (402, 1.5%). The full Montgomery County business listings dataset includes names, categories, addresses and contact details where available. Montgomery County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Montgomery County, TX
| Category | Businesses | Share |
|---|---|---|
| Real Estate Agents | 539 | 2.0% |
| Churches & Religious Organizations | 405 | 1.5% |
| Insurance Agencies | 402 | 1.5% |
| Gas Stations | 400 | 1.5% |
| Contractors | 396 | 1.5% |
| Auto Repair | 365 | 1.4% |
| Medical Offices | 340 | 1.3% |
| Beauty Salons | 338 | 1.3% |
| Professional Services | 296 | 1.1% |
| Hair Salons | 295 | 1.1% |
Montgomery County Business Listings
| Business | Category | City |
|---|---|---|
| T-Shirts Ink and More - Production (not retail) | 3D Printing Service | Spring |
| Magnolia City Detox | Abuse And Addiction Treatment | Conroe |
| Discovery at Kingwood | Accommodation | Houston |
| Timothy W. Morgan CPA | Accountant | Montgomery |
| The Recreation Center at Bear Branch Park | Active Life | Spring |
| The Woodlands Acupuncture & Herbal Clinic | Acupuncture | The Woodlands |
| Addiction Treatment Conroe | Addiction Rehabilitation Center | Conroe |
| Arrow Child & Family Ministries | Adoption Services | Spring |
| Adam and Eve | Adult Entertainment | Spring |
| Passions Emporium | Adult Store | Cut and Shoot |
| Download Montgomery County business listings | ||
Montgomery County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Montgomery County Basemaps
Montgomery County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Montgomery County Data Package
This page shows a preview of what's included in the Montgomery County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for parcels, zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Montgomery County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.