Montgomery County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 11th-largest in Texas
The population of Montgomery County, Texas is 654,722 as of the 2023 American Community Survey, making it the 11th-largest county in Texas. The median household income is $97,266, the median home value is $317,500, and the median age is 37.2.
The population of Montgomery County has grown 63.2% since 2010 (459,223 → 749,613), a +3.56% annualized rate.
654,722
Population
+3.56%
Annual growth
628
People / sq mi
$97,266
Median Income
$317,500
Median Home Value
Montgomery County covers 1,042 sq mi of land at 628.2 people per square mile.
About Montgomery County, TX
What sets Montgomery County apart is money: median household income runs $97,266, above the US median of $78,538. Montgomery County is a county in Texas with a population of 654,722. It ranks #11 among counties in Texas by population.
Income is a real outlier — the median household pulls in $97,266, putting Montgomery County near the top of US counties. Poverty runs at 7.1%, below the national 12.4%. A typical home is worth $317,500, with typical rent around $1,471.
The population is unusually well-credentialed for US counties — 37.9% of adults have a four-year degree, above the national 35.0%. Remote work is on the higher side at 14.1%, close to the national 14.0%, and the average commute runs about 32 minutes each way.
Taken together, the income and housing figures place Montgomery County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Montgomery County Population History (2010-2024)
The county of Montgomery County had a population of 459,223 in 2010 and 749,613 in 2024, a 63.2% growth over 14 years. The peak was 749,613 in 2024. Average annual growth rate: 3.56%.
749,613
Population (2024)
459,223
Population (2010)
749,613
Peak (2024)
3.56%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 459,223 |
| 2011 | 471,456 |
| 2012 | 484,627 |
| 2013 | 498,488 |
| 2014 | 517,262 |
| 2015 | 535,913 |
| 2016 | 555,338 |
| 2017 | 571,542 |
| 2018 | 590,127 |
| 2019 | 607,583 |
| 2020 | 625,420 |
| 2021 | 650,960 |
| 2022 | 680,824 |
| 2023 | 715,345 |
| 2024 | 749,613 |
Race & Ethnicity
| White | 71.3% |
| Black or African American | 6.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Age & Sex
37.2
Median Age
50.3%
Female
49.7%
Male
13.4%
Age 65+
Age Distribution
Children (under 15): 21.4% · Seniors (65+): 13.4%
Income & Poverty
| Median household income | $97,266+$20,974 vs state |
| Mean household income | $133,981 |
| Per-capita income | $48,550 |
| Poverty rate | 7.1%-3.4% vs state |
| Unemployment rate | 3.0% |
| Employment-to-population | 61.6% |
Top Industries by Employment
The largest employment sector in Montgomery County is professional & business services, accounting for 19.5% of workers.
How residents commute
0.8%
Drive alone
0.9%
Carpool
74.2%
Public transit
14.1%
Work from home
31.7 min
Avg commute
Housing
$317,500+$57,100 vs state
Median home value
$1,471
Median rent
71.7%
Homeownership rate
253,801
Total housing units
92.8%
Occupied
7.2%
Vacant
28.3%
Renter-occupied
Social & access
85.3%
With health insurance
97.9%
With broadband internet
29.6%
Foreign-born
6.9%
Veterans (18+)
10.2%
With a disability
75.9%
Speak language other than English at home
Education
90.2%
High School+
37.9%
Bachelor's+
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County rankings
Common questions about Montgomery County, TX
Frequently Asked Questions
Montgomery County, Texas has a population of 654,722 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 11th-largest county in Texas. Population density is 628 people per square mile.
The population of Montgomery County has grown 63.2% since 2010 (459,223 → 749,613), a +3.56% annualized rate.
The median household income in Montgomery County, Texas is $97,266, with mean (average) household income of $133,981 and per-capita income of $48,550. 7.1% of residents live below the federal poverty level.
In Montgomery County, the largest racial and ethnic groups are White (71.3%), Black or African American (6.0%), Hispanic or Latino (1.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Montgomery County, Texas is 37.2 years. Residents are 50.3% female and 49.7% male.
The median home value in Montgomery County is $317,500 and median monthly rent is $1,471. 71.7% of occupied housing units are owner-occupied. The county has 253,801 total housing units, 7.2% of which are vacant.
The largest employment sector in Montgomery County, Texas is professional, scientific, and management services, employing 19.5% of workers. The unemployment rate is 3.0%.
Houston is among the largest cities associated with Montgomery County, Texas, with a population of 2,300,419.
Montgomery County, TX Climate
Montgomery County, TX has an average annual temperature of 19.6°C (67°F) and receives about 1162 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
19.6°C
Avg Temp
1162
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 10° / 49° | 88 mm |
| February | 12° / 53° | 79 mm |
| March | 16° / 60° | 74 mm |
| April | 19° / 67° | 88 mm |
| May | 23° / 74° | 132 mm |
| June | 27° / 80° | 112 mm |
| July | 28° / 83° | 83 mm |
| August | 28° / 83° | 86 mm |
| September | 26° / 78° | 125 mm |
| October | 21° / 69° | 92 mm |
| November | 15° / 59° | 105 mm |
| December | 11° / 52° | 98 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Montgomery County, TX
The most comfortable months to visit Montgomery County, TX are typically October, April and March, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 34°C high). The coldest is January (near 4°C low). May is usually the wettest month.
Where to stay near Montgomery County
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Top-rated places to stay near Montgomery County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.