Montgomery County, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 46th-largest in New York
The population of Montgomery County, New York is 49,461 as of the 2023 American Community Survey, making it the 46th-largest county in New York. The median household income is $62,923, the median home value is $141,600, and the median age is 40.1.
The population of Montgomery County has declined 1.3% since 2010 (50,312 → 49,648), a -0.09% annualized rate.
49,461
Population
-0.09%
Annual growth
123
People / sq mi
$62,923
Median Income
$141,600
Median Home Value
Montgomery County covers 403 sq mi of land at 122.7 people per square mile.
About Montgomery County, NY
Montgomery County is a county in New York with a population of 49,461. It ranks #46 among counties in New York by population. The median age is 40.1, older than the national median. The population is 49.7% male and 50.3% female.
The median household income in Montgomery County is $62,923, below the US median of $74,580. 10.7% of residents live below the federal poverty level. Home values sit at a median of $141,600, with monthly rent averaging $921. The homeownership rate of 69.3% is higher than the national rate of 64.8%.
Educational attainment in Montgomery County reflects 20.5% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 24.1 minutes each way.
Montgomery County Population History (2010-2024)
The county of Montgomery County had a population of 50,312 in 2010 and 49,648 in 2024, a -1.3% growth over 14 years. The peak was 50,312 in 2010. Average annual growth rate: -0.09%.
49,648
Population (2024)
50,312
Population (2010)
50,312
Peak (2010)
-0.09%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 50,312 |
| 2011 | 49,919 |
| 2012 | 49,836 |
| 2013 | 49,754 |
| 2014 | 49,689 |
| 2015 | 49,576 |
| 2016 | 49,242 |
| 2017 | 49,203 |
| 2018 | 49,502 |
| 2019 | 49,355 |
| 2020 | 49,487 |
| 2021 | 49,490 |
| 2022 | 49,434 |
| 2023 | 49,580 |
| 2024 | 49,648 |
Race & Ethnicity
| White | 83.0% |
| Black or African American | 3.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
40.1
Median Age
50.3%
Female
49.7%
Male
18.9%
Age 65+
Age Distribution
Children (under 15): 18.9% · Seniors (65+): 18.9%
Income & Poverty
| Median household income | $62,923$-21,655 vs state |
| Mean household income | $79,106 |
| Per-capita income | $31,975 |
| Poverty rate | 10.7%+0.9% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 58.1% |
Top Industries by Employment
The largest employment sector in Montgomery County is professional & business services, accounting for 27.0% of workers.
How residents commute
0.2%
Drive alone
2.5%
Carpool
76.7%
Public transit
7.9%
Work from home
24.1 min
Avg commute
Housing
$141,600$-261,400 vs state
Median home value
$921
Median rent
69.3%
Homeownership rate
22,944
Total housing units
83.8%
Occupied
16.2%
Vacant
30.7%
Renter-occupied
Social & access
93.5%
With health insurance
88.9%
With broadband internet
13.3%
Foreign-born
7.0%
Veterans (18+)
16.3%
With a disability
88.0%
Speak language other than English at home
Education
88.5%
High School+
20.5%
Bachelor's+
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Part of New York
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County rankings
Frequently Asked Questions
Montgomery County, New York has a population of 49,461 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 46th-largest county in New York. Population density is 123 people per square mile.
The population of Montgomery County has declined 1.3% since 2010 (50,312 → 49,648), a -0.09% annualized rate.
The median household income in Montgomery County, New York is $62,923, with mean (average) household income of $79,106 and per-capita income of $31,975. 10.7% of residents live below the federal poverty level.
In Montgomery County, the largest racial and ethnic groups are White (83.0%), Black or African American (3.1%), Hispanic or Latino (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Montgomery County, New York is 40.1 years. Residents are 50.3% female and 49.7% male.
The median home value in Montgomery County is $141,600 and median monthly rent is $921. 69.3% of occupied housing units are owner-occupied. The county has 22,944 total housing units, 16.2% of which are vacant.
The largest employment sector in Montgomery County, New York is professional, scientific, and management services, employing 27.0% of workers. The unemployment rate is 2.9%.
New York is among the largest cities associated with Montgomery County, New York, with a population of 8,516,202.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.