Montgomery County

Montgomery County, Texas
Montgomery County is on Interstate 45 forty miles north of downtown Houston in the East Texas Timberlands Region. The center of the county is at 30°18' north latitude and 95°23' west longitude, near the county seat of Conroe. The county is bounded on the north by Walker and San Jacinto counties, on the east by Liberty County, on the south by Harris County, and on the west by Waller and Grimes counties. Montgomery County covers 1,047 square miles of flat to gently rolling terrain, with elevations ranging from 150 to 300 feet. To the south and west soils are light-colored and loamy with deep, reddish, clayey to loamy subsoils. The remainder of the county has reddish soils with loamy surfaces and very deep, clayey subsoils. Vegetation is typical of the Piney Woods area, with thick stands of longleaf, shortleaf, and loblolly pines and hickory, maple, sweet and black gum, oak, and magnolia trees. Grasses include Virginia wildrye, blackseed needlegrass, and purpletop. Wildlife in the county includes eastern gray and fox squirrels, various species of bats and skunks, and small herbivores such as gophers, mice, rabbits, and armadillos, as well as raccoons, white-tailed deer, opossum, bobcat, coyote, and red and grey fox. Alligators, frogs, toads, and numerous species of snake, including the poisonous copperhead, cottonmouth, coral snakes, and rattlesnake, are found in abundance. A wide variety of birds-mockingbirds, cardinals, doves, quail, bluejays, and roadrunners, to name a few-are also native to the area. Natural resources include timber, lakes, gravel, and oil; the Conroe oilfield was once the third largest in the United States. The county's principal water source is the San Jacinto River basin drainage system, which includes Peach, Caney, Spring, and Bushy creeks. The Lake Conroe Reservoir, seven miles northwest of Conroe, drains an area of 445 square miles; its surface area covers 20,118 acres, and its storage capacity is 380,400 acre-feet. The climate is subtropical humid, with warm summers and mild winters. The average annual relative humidity is 73 percent, and the average rainfall is 47.44 inches. The average annual temperature is 68° F. Temperatures in January range from an average low of 39° to an average high of 61° F and in July range from 72° to 95° F. The growing season averages 270 days per year, with the last freeze in early March and the first freeze in late November.
Adapted from the official Handbook of Texas, a state encyclopedia developed by the Texas State Historical Association (TSHA). It is an authoritative source of trusted historical records.
Christopher Long, Kameron K. Searle | © Texas State Historical Association
Montgomery County at a Glance
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County Map of Texas
Montgomery County
- Montgomery County
Currently Exists
Yes
Place type
Montgomery County is classified as a County
Altitude Range
50 ft – 430 ft
Places of Montgomery County
Photos of Montgomery County and surrounding areas

Montgomery County, Texas
The Montgomery County Courthouse is housed in the Conroe, Texas, the county seat. Photograph by Larry D. Moore.

Montgomery County, Texas
Map of Montgomery County, Texas Map Credit: Robert Plocheck.
Conroe, Texas
View of downtown Conroe, the seat of Montgomery County, Texas. Photograph by HIM Nguyen. Conroe

Houston, Texas
Houston, Texas Photo by Efrain Alonso from Pexels Houston

A beautiful morning on Lake Conroe
Photo by Katie Hougland Bowen, Flickr, CC2 Lake Conroe

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Montgomery County by the Numbers
Population & Civilian Labor Counts
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Population Counts
Montgomery County
Pop. | Year | Source |
---|---|---|
607,391 | 2019 | United States Census Bureau |
Civilian Labor Counts
Montgomery County
People | Year | Source |
---|---|---|
278,703 | 2019 | Texas Workforce Commission |
Per Capita Income
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Per Capita Income (USD) | Year | Source |
---|---|---|
$63,605 | 2019 | U.S. Bureau of Economic Analysis |
Property Values, Retail Sales, and Wages
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Property Values
Montgomery County
USD ($) | Year | Source |
---|---|---|
65,695,892,720 | 2019 | State Property Tax Board |
Retail Sales
Montgomery County
USD ($) | Year | Source |
---|---|---|
12,139,111,563 | 2019 | State Comptroller of Public Accounts |
Wages
Montgomery County
USD ($) | Year | Source |
---|---|---|
2,851,359,810 | 2019 | Texas Workforce Commission |
Unemployment
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Unemployment Percentage | Year | Source |
---|---|---|
8.7 | 2019 | Texas Workforce Commission |
Rainfall
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Rainfall (inches) | Year | Source |
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48.8 | 2019 | National Oceanic and Atmospheric Administration |
Temperature Ranges
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Min. (January Average, °F) | Max. (July Average, °F) | Year | Source |
---|---|---|---|
40.4 | 93.5 | 2019 | National Oceanic and Atmospheric Administration |
Land Area & Total Area
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Land Area
Montgomery County
Area (square miles) | Year | Source |
---|---|---|
1,041.7 | 2019 | United States Census Bureau |
Total Area
Montgomery County
Area (square miles) | Year | Source |
---|---|---|
1,076.9 | 2019 | United States Census Bureau |