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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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.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.