According to theUnited States Census Bureau, the county has a total area of 1,076.885 square miles (2,789.12 km2), of which 34.706 sq mi (89.89 km2) (3.22%) are covered by water.[6] It is the 65th largest county in Texas by total area.
As of the fourth quarter of 2024, the median home value in Montgomery County was $371,646.[22]
As of the 2023American Community Survey, an estimated 235,474 households in Montgomery County have an average of 2.77 persons per household. The county has a median household income of $97,266. About 10.1% of the county's population lives at or below thepoverty line. Montgomery County has an estimated 64.6% employment rate, with 37.9% of the population holding a bachelor's degree or higher and 90.2% holding a high-school diploma.[2]
The top-five reported ancestries (people were allowed to report up to two ancestries, thus the figures will generally add to more than 100%) were English (73.0%), Spanish (21.3%), Indo-European (2.8%), Asian and Pacific Islander (1.9%), and other (1.0%). The median age in the county was 37.3 years.
Montgomery County, Texas – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
As of the 2023 estimate, 711,354 people and 235,474 households were residing in the county. The 280,357 housing units had an average density of 269.01 per square mile (103.9/km2). The racial makeup of the county was 85.0% White, 7.8% African American, 1.0% Native American, 3.8% Asian, 0.1% Pacific Islander, and 2.3% from two or more races. Hispanic or Latino people of any race were 28.3% of the population.[25]
As of the2020 census, 620,443 people, 219,796 households, and 164,212 families resided in the county. Thepopulation density was 595.3 inhabitants per square mile (229.8/km2).[26]
The median age was 37.2 years, 26.1% of residents were under the age of 18, and 13.9% of residents were 65 years of age or older. For every 100 females there were 97.1 males, and for every 100 females age 18 and over there were 94.7 males age 18 and over.[27]
77.1% of residents lived in urban areas, while 22.9% lived in rural areas.[29]
There were 219,796 households in the county, of which 38.0% had children under the age of 18 living in them. Of all households, 57.7% were married-couple households, 14.9% were households with a male householder and no spouse or partner present, and 22.0% were households with a female householder and no spouse or partner present. About 20.8% of all households were made up of individuals and 7.9% had someone living alone who was 65 years of age or older.[27]
There were 238,489 housing units, of which 7.8% were vacant. Among occupied housing units, 71.3% were owner-occupied and 28.7% were renter-occupied. The homeowner vacancy rate was 1.8% and the rental vacancy rate was 10.5%.[27]
As of the 2010 census, 455,746 people, 162,530 households, and 121,472 families lived in the county. Thepopulation density was 423 people per square mile (163 people/km2). The were 177,647 housing units had an average density of 165 per square mile (64/km2).
In 2010, the racial makeup of the county was 83.5% White, 4.3% Black or African American, 0.7% Native American, 2.1% Asian, 0.1% Pacific Islander, 7.0% from other races, and 2.3% from two or more races. About 20.8% of the population were Hispanics or Latinos of any race.
At the 2010 census, of the 162,530 households, 36.2% had children under 18 living with them, 59.5% were married couples living together, 10.6% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 25.3% were not families. About 20.6% of all households were made up of individuals, and 6.5% had someone living alone who was 65 or older. The average household size was 2.78 and the average family size was 3.22.
In the county, the age distributiob was 27.6% under 18, 8.0% from 18 to 24, 27.4% from 25 to 44, 26.6% from 45 to 64, and 10.4% who were 65 or older. The median age was 36.1 years. For every 100 females, there were 98.29 males. For every 100 females 18 and over, there were 95.94 males.
As of the 2000 census, the median income for a household in the county was $50,864 and for a family was $58,983. Males had a median income of $42,400 versus $28,270 for females. Theper capita income for the county was $24,544. About 7.1% of families and 9.4% of the population were below thepoverty line, including 10.9% of those under 18 and 10.1% of those 65 or over.
The closest Catholic high school isFrassati Catholic High School in north Harris County; the planners of the school intended for it to serve The Woodlands.[32]
Lone Star College's service area under Texas law includes, in Montgomery County: Conroe, Magnolia, Montgomery, New Caney, Splendora, Tomball, and Willis ISDs. The portion in Richards ISD is zoned toBlinn Junior College District.[33]
Montgomery County has given Republican candidates 70 percent or more of the vote since 2000, and a Democratic presidential candidate has not won the county since1964, when native Texan and favorite sonLyndon Johnson won 60.9% of the county's vote.[35]
In2004, county voters gave 78.1 percent of their vote to Republican candidateGeorge W. Bush, who served as Governor of Texas from 1995 to 2000.[36] In2008, 75.8% of the voters supported the Republican ticket ofJohn McCain andSarah Palin.[37]
In2016, Montgomery County was the only county in the United States where Republican nomineeDonald Trump won against Democratic nomineeHillary Clinton by a margin of greater than 100,000 votes.[38] In 2020, Trump won Montgomery County again, with an expanded margin of 119,000 votes.[39] In 2024, Trump won Montgomery County once again, with another expanded margin of about 140,000 votes.[40]
United States presidential election results for Montgomery County, Texas[41]
The county operates theMontgomery County Memorial Library System. The public library system has been the subject of multiple book banning controversies, including a change to the book review process lobbied by local right-wing group Two Moms and Some Books that removed librarians from the review process. Under this new policy, any children books challenged but immediate be placed in the adult sections.[43]
In 1938, the Montgomery County Hospital, a public institution, opened, the first public hospital in the county. It had 25 beds.[44] The Montgomery County Hospital District opened in the 1970s, and the purpose of the district was making a new hospital, which opened in 1982 and replaced the former hospital.[45]
Montgomery County has several toll roads within its borders, most of which are operated as "pass-through toll roads"[47] orshadow toll roads.
There are two "true" toll roads within Montgomery County. One toll road consists of a section of mainlanes ofState Highway 249 between the Harris County line atSpring Creek to FM 1774 inPinehurst and is signed asMCTRA 249 Tollway (maintained by the Montgomery County Toll Road Authority).[48] North of Pinehurst, the toll road continues as theTxDOT maintainedAggie Expressway (SH 249 Toll) up north to FM 1774 nearTodd Mission then as a two-lane freeway up toState Highway 105 nearNavasota.[49] The other toll road within Montgomery County (also maintained by TxDOT) isGrand Parkway (State Highway 99) between the Harris County line at Spring Creek, with an interchange at I-69/US 59 near New Caney, and reentering Harris County before continuing intoLiberty andChambers Counties.
Lonestar College – The Lone Star College System, formerly known as the North Harris Montgomery Community College District, is accredited through the Commission on Colleges of the Southern Association of Colleges and Schools (SACS).
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