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 distinguished by its share of foreign-born residents, 13.3% of the population. Montgomery County is a county in New York with a population of 49,461. It ranks #46 among counties in New York by population.
Household earnings are middling, with a median of $62,923 — below the US median of $78,538. Poverty runs at 10.7%, below the national 12.4%. Homes carry a median value of $141,600, with typical rent around $921.
20.5% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Around 7.9% of workers work from home, below the national 14.0%, and the average commute runs about 24 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.