Census-designated place · New York
Mahopac, New York
Mahopac, census-designated place, in Putnam County, New York. Mahopac had 9,039 people in the ACS 2020-2024 5-year estimates (±1,045). GEOID 3644534.
Residents, 2020-2024
9,039
±1,045 (90% margin)
2020 Census count: 8,932
Median household income
$110,023
±$13,012 (90% margin)
New York: $85,974
Median home value
$470,900
±$23,485 (90% margin)
New York: $423,800
Median gross rent
$1,931
±$465 (90% margin)
New York: $1,621
Where is Mahopac and what county is it in?
Mahopac is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Putnam County, New York. It covers 6.1 square miles of land, 1,457 residents per square mile in 2020.
Mahopac is in the New York-Newark-Jersey City, NY-NJ metropolitan statistical area, which takes in 22 counties (Census Bureau delineation, July 2023).
Mahopac lies entirely within the Town of Carmel, a town with its own local government (2020 census blocks).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Mahopac, and is it growing?
The 2020-2024 American Community Survey puts Mahopac's population at 9,039 (±1,045). The 2020 Census counted 8,932 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; Mahopac is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Mahopac | Putnam County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 9,039 ±1,045 | 98,107 | no clear change |
| Households | 3,393 ±358 | 35,545 | no clear change |
| Average household size | 2.66 ±0.15 | 2.68 | no clear change |
| Housing units | 3,666 ±364 | 38,450 | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Mahopac?
The median resident of Mahopac is 41.7 years old; 18.9% are under 18 and 18.8% are 65 or older. The largest group is non-Hispanic white residents at 69.7%, then Hispanic or Latino residents (of any race) at 19.5%. 13.3% of residents were born outside the United States.
| Measure | Mahopac | Putnam County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 41.7 ±5.4 | 44.0 | no clear change |
| Under 18 years | 18.9% ±2.7 pts | 19.4% | – |
| 65 years and over | 18.8% ±3.5 pts | 19.3% | – |
| Male | 48.0% ±2.9 pts | 50.4% | – |
| Hispanic or Latino (any race) | 19.5% ±6.0 pts | 20.0% | +6.9 pts |
| White alone, not Hispanic | 69.7% ±6.3 pts | 70.9% | −13.1 pts |
| Black or African American alone, not Hispanic | 3.1% ±2.8 pts | 2.8% | – |
| Asian alone, not Hispanic | 4.1% ±2.2 pts | 2.3% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.5 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.5 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.8% ±1.8 pts | 3.0% | – |
| Some other race alone, not Hispanic | 0.8% ±0.8 pts | 0.9% | – |
| Born outside the United States | 13.3% ±3.8 pts | 13.9% | no clear change |
| Speak a language other than English at home (age 5+) | 21.7% ±5.9 pts | 21.4% | – |
| Civilian veterans (age 18+) | 3.1% ±1.2 pts | 4.3% | – |
| With a disability | 9.9% ±2.7 pts | 10.1% | – |
| No health insurance coverage | 1.1% ±0.8 pts | 3.6% | – |
| High school graduate or higher (age 25+) | 89.8% ±5.1 pts | 93.2% | – |
| Bachelor's degree or higher (age 25+) | 43.4% ±6.3 pts | 45.5% | no clear change |
| Graduate or professional degree (age 25+) | 19.4% ±3.7 pts | 20.4% | – |
| Lived in the same house a year earlier | 90.2% ±4.6 pts | 92.3% | – |
| Moved from another state in the past year | 2.7% ±2.6 pts | 1.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Mahopac earn?
Half of Mahopac's 3,393 households earn less than $110,023 a year (±$13,012), against $126,257 in Putnam County and $85,974 in New York. In 2015-2019 it was $109,747 in 2024 dollars; the margins of error cannot tell the two periods apart.
| Measure | Mahopac | Putnam County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $110,023 ±$13,012 | $126,257 | no clear change |
| Mean household income | $132,975 ±$11,875 | $153,855 | – |
| Per capita income | $52,299 ±$4,644 | $56,593 | no clear change |
| People below the poverty line | 4.5% ±3.5 pts | 7.1% | – |
| Children under 18 below the poverty line | 6.0% ±6.5 pts | 5.9% | – |
| Households receiving SNAP | 5.9% ±4.9 pts | 3.2% | – |
| Households with a computer | 99.2% ±0.9 pts | 96.6% | – |
| Households with a broadband subscription | 97.2% ±1.8 pts | 94.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Mahopac?
Owners occupy 80.8% of Mahopac's occupied homes and renters 19.2%. The median owner-occupied home is valued at $470,900 by its owner (±$23,485). The median renter pays $1,931 a month including utilities, and 75.6% of renters pay 35% or more of their income on rent.
| Measure | Mahopac | Putnam County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $470,900 ±$23,485 | $471,300 | no clear change |
| Median gross rent | $1,931 ±$465 | $1,775 | no clear change |
| Renters paying 35% or more of income on rent | 75.6% ±17.2 pts | 55.6% | +29.4 pts |
| Median monthly owner costs, with a mortgage | $3,380 ±$241 | $3,122 | – |
| Owner-occupied homes | 80.8% ±6.5 pts | 83.8% | +12.1 pts |
| Renter-occupied homes | 19.2% ±6.5 pts | 16.2% | – |
| Housing units | 3,666 ±364 | 38,450 | no clear change |
| Homeowner vacancy rate | 0.0% ±1.5 pts | 0.6% | – |
| Rental vacancy rate | 3.1% ±5.5 pts | 1.6% | – |
| Single-family detached homes | 69.9% ±6.4 pts | 77.2% | – |
| Mobile homes | 0.6% ±0.8 pts | 0.7% | – |
| Built 2020 or later | 0.0% ±1.2 pts | 0.3% | – |
| Built 2010 to 2019 | 1.1% ±0.9 pts | 2.8% | – |
| Built 1939 or earlier | 18.6% ±5.4 pts | 17.4% | – |
| Households with no vehicle | 4.1% ±1.9 pts | 4.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Mahopac work and get to work?
67.0% of Mahopac's workers drive alone and 14.7% work from home. The average trip to work takes 43.1 minutes. The unemployment rate in 2020-2024 averaged 3.5%.
| Measure | Mahopac | Putnam County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 65.4% ±6.1 pts | 64.3% | – |
| Unemployment rate | 3.5% ±2.1 pts | 4.4% | no clear change |
| Drove alone to work | 67.0% ±7.7 pts | 69.2% | – |
| Carpooled | 10.0% ±4.7 pts | 7.4% | – |
| Public transportation | 6.4% ±3.7 pts | 5.8% | – |
| Walked | 0.5% ±0.5 pts | 1.8% | – |
| Worked from home | 14.7% ±6.5 pts | 14.4% | – |
| Mean travel time to work | 43.1 min ±5.2 | 39.3 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Mahopac?
3 census tracts lie mostly in Mahopac, and 1 more reaches into it (2020 census blocks). Their median household incomes run from $111,149 (Tract 114) to $140,213 (Tract 112.02).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 113Putnam County | 4,494 | $117,193 |
| Tract 114Putnam County | 5,104 | $111,149 |
| Tract 112.02Putnam County | 3,719 | $140,213 |
| Tract 116Putnam County | 5,639 | $139,208 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Mahopac) · Census block assignment files
How does Mahopac compare with other places in New York?
Mahopac ranks 412th of 1,623 places in New York with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 387th | 1,657 |
| Residents per square mile | 572nd | 1,657 |
| Median household income | 412th | 1,623 |
| Per capita income | 490th | 1,653 |
| Median home value | 371st | 1,637 |
| Median gross rent | 298th | 1,515 |
| Bachelor's degree or higher | 480th | 1,640 |
| Median age | 1,024th | 1,654 |
| Owner-occupied share | 746th | 1,639 |
| Work from home | 510th | 1,350 |
| Travel time to work | 38th | 1,652 |
Mahopac's figures with every place in New York (CSV)
Every place in New York, sortable · Compare Mahopac with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Mahopac?
15 of the 57 figures for Mahopac on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Mahopac are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.