Town · New York

Town of North Castle, New York

North Castle (town), town, in Westchester County, New York. North Castle (town) had 12,360 residents on July 1, 2025 by the Census Bureau's estimate, down 0.3% since 2020; the 2020 Census counted 12,408 and the ACS 2020-2024 5-year estimates put it at 12,228 (±27). GEOID 3611951693.

Residents, July 2025 estimate

12,360

Census Bureau estimate (no margin published)
2020 Census count: 12,408 · ACS 2020-2024: 12,228 ±27

Median household income

$208,156

±$35,156 (90% margin)
New York: $85,974

Median home value

$1,088,500

±$102,943 (90% margin)
New York: $423,800

Median gross rent

$2,268

±$210 (90% margin)
New York: $1,621

Where is North Castle (town) and what county is it in?

North Castle (town) is a town in Westchester County, New York. It covers 23.7 square miles of land, 523 residents per square mile in 2020.

One place lies inside the Town of North Castle: Armonk (CDP, 4,495 in 2020).

North Castle (town) is in the New York-Newark-Jersey City, NY-NJ metropolitan statistical area, which takes in 22 counties (Census Bureau delineation, July 2023).

North Castle (town) (marked with a dot) in Westchester County, New York. Boundaries: Census Bureau 2024.

Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files

How many people live in North Castle (town), and is it growing?

The Census Bureau estimates that 12,360 people lived in North Castle (town) on July 1, 2025, down 0.3% since 2020, a smaller fall than New York's (−1.0%). The 2020 Census counted 12,408 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 12,228 (±27).

  • July 2020→2021 −80 (12,276)
  • 2021→2022 −131 (12,145)
  • 2022→2023 −23 (12,122)
  • 2023→2024 +177 (12,299)
  • 2024→2025 +61 (12,360)
ACS 2020-2024 5-year estimates (counts) with the change from 2015-2019
MeasureNorth Castle (town)Westchester CountyNew YorkChange since 2015-2019
Total population12,228±27999,67719,852,366no clear change
Households4,121±304372,8837,722,646no clear change
Average household size2.94±0.222.612.49no clear change
Housing units4,402±309394,3588,585,241no clear change

North Castle (town)'s population since 2000

From 10,849 in 2000 to 12,360 in 2025: up 13.9%. The 2000, 2010 and 2020 figures are census counts, each for North Castle (town) as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 10,849
  • 2005 (estimate) 11,289
  • 2010 Census 11,841
  • 2015 (estimate) 12,213
  • 2020 Census 12,408
  • 2025 (estimate) 12,360

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

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 North Castle (town)?

The median resident of North Castle (town) is 42.2 years old; 26.1% are under 18 and 15.8% are 65 or older. The largest group is non-Hispanic white residents at 69.7%, then Hispanic or Latino residents (of any race) at 16.4%. 18.3% of residents were born outside the United States.

Age, origin, education and moves, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureNorth Castle (town)Westchester CountyNew YorkChange since 2015-2019
Median age42.2±2.341.839.8no clear change
Under 18 years26.1%±2.2 pts21.3%20.5%–
65 years and over15.8%±1.7 pts18.2%17.9%–
Male52.2%±2.6 pts48.8%48.8%–
Hispanic or Latino (any race)16.4%±4.7 pts27.4%19.8%no clear change
White alone, not Hispanic69.7%±4.4 pts49.2%52.8%−8.7 pts
Black or African American alone, not Hispanic2.9%±2.0 pts12.7%13.4%–
Asian alone, not Hispanic5.9%±1.5 pts6.2%9.0%no clear change
American Indian and Alaska Native alone, not Hispanic0.0%±0.3 pts0.1%0.2%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.3 pts0.0%0.0%–
Two or more races, not Hispanic3.4%±1.6 pts3.3%3.8%–
Some other race alone, not Hispanic1.8%±1.3 pts1.2%1.0%–
Born outside the United States18.3%±3.0 pts26.1%22.8%no clear change
Speak a language other than English at home (age 5+)26.9%±4.2 pts34.8%30.9%–
Civilian veterans (age 18+)1.6%±0.7 pts2.9%3.7%–
With a disability6.3%±1.4 pts10.7%12.6%–
No health insurance coverage1.5%±0.8 pts5.1%5.1%no clear change
High school graduate or higher (age 25+)94.5%±1.6 pts89.4%88.0%–
Bachelor's degree or higher (age 25+)75.1%±4.0 pts53.1%40.2%no clear change
Graduate or professional degree (age 25+)37.2%±4.1 pts26.7%17.9%–
Lived in the same house a year earlier91.8%±2.7 pts91.0%90.1%–
Moved from another state in the past year1.1%±0.9 pts1.2%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 North Castle (town) earn?

Half of North Castle (town)'s 4,121 households earn less than $208,156 a year (±$35,156), against $118,976 in Westchester County and $85,974 in New York. In 2015-2019 it was $229,636 in 2024 dollars; the margins of error cannot tell the two periods apart. 3.8% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates; 2015-2019 dollars adjusted with the R-CPI-U-RS
MeasureNorth Castle (town)Westchester CountyNew YorkChange since 2015-2019
Median household income$208,156±$35,156$118,976$85,974no clear change
Mean household income$320,056±$30,945$192,041$128,247–
Per capita income$109,769±$10,715$72,705$50,712no clear change
People below the poverty line3.8%±1.8 pts9.0%14.0%no clear change
Children under 18 below the poverty line4.5%±3.3 pts10.5%18.3%–
Households receiving SNAP1.9%±1.2 pts9.4%15.6%–
Households with a computer98.5%±1.5 pts96.3%94.7%–
Households with a broadband subscription98.1%±1.6 pts93.7%90.8%–

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 North Castle (town)?

Owners occupy 85.7% of North Castle (town)'s occupied homes and renters 14.3%. The median owner-occupied home is valued at $1,088,500 by its owner (±$102,943). The median renter pays $2,268 a month including utilities, and 41.1% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates. Home values are owners' own estimates.
MeasureNorth Castle (town)Westchester CountyNew YorkChange since 2015-2019
Median home value (owner-occupied)$1,088,500±$102,943$663,200$423,800no clear change
Median gross rent$2,268±$210$1,951$1,621no clear change
Renters paying 35% or more of income on rent41.1%±19.3 pts44.5%43.1%no clear change
Median monthly owner costs, with a mortgage$4,000 or more$4,000$2,555–
Owner-occupied homes85.7%±4.6 pts61.8%54.3%no clear change
Renter-occupied homes14.3%±4.6 pts38.2%45.7%–
Housing units4,402±309394,3588,585,241no clear change
Homeowner vacancy rate0.6%±0.9 pts0.8%1.1%–
Rental vacancy rate19.5%±13.7 pts2.5%3.8%–
Single-family detached homes82.6%±3.5 pts43.4%41.2%–
Mobile homes0.2%±0.3 pts0.2%2.1%–
Built 2020 or later1.0%±1.1 pts1.0%0.8%–
Built 2010 to 20196.1%±3.2 pts4.2%5.3%–
Built 1939 or earlier12.3%±3.0 pts27.5%30.3%–
Households with no vehicle2.2%±2.0 pts14.3%29.2%–

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 many new homes is North Castle (town) building?

Builders took permits for 8 new housing units in North Castle (town) in 2025 (8 in single-family houses), 0.6 per 1,000 residents against 1.9 across New York.

  • 2019 10 units
  • 2020 (8 months) 14 units
  • 2021 6 units
  • 2022 9 units
  • 2023 33 units
  • 2024 (11 months) 11 units
  • 2025 8 units

Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.

Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in North Castle (town) work and get to work?

57.9% of North Castle (town)'s workers drive alone and 21.1% work from home. The average trip to work takes 37.4 minutes. The unemployment rate in 2020-2024 averaged 3.1%.

Work and commuting, ACS 2020-2024 5-year estimates (workers 16 and over)
MeasureNorth Castle (town)Westchester CountyNew YorkChange since 2015-2019
In the labor force (age 16+)64.4%±3.6 pts65.1%62.7%–
Unemployment rate3.1%±1.7 pts6.1%6.4%no clear change
Drove alone to work57.9%±5.7 pts50.4%48.8%–
Carpooled5.4%±2.2 pts7.1%6.3%–
Public transportation14.3%±3.2 pts17.3%21.6%–
Walked0.9%±0.9 pts3.7%5.6%–
Worked from home21.1%±4.0 pts19.1%14.9%+12.2 pts
Mean travel time to work37.4 min±2.834.6 min32.6 minno 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 North Castle (town)?

3 census tracts lie mostly in North Castle (town) (2020 census blocks). Their median household incomes run from $85,900 (Tract 123.01) to $250,000 or more (Tract 123.04).

Census tracts in North Castle (town), ACS 2020-2024 5-year estimates
TractResidents, 2020-2024Median household incomeMedian home valueShare of tract in North Castle (town)
Tract 123.03Westchester County5,011 $227,578 $1,100,700100%
Tract 123.04Westchester County4,873 $250,000 or more $1,285,600100%
Tract 123.01Westchester County2,344 $85,900 $678,700100%

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 North Castle (town)) · Census block assignment files

How does North Castle (town) compare with other places in New York?

By the Census Bureau's July 2025 estimates, North Castle (town) is the 1,008th-most populous of the 16,079 U.S. towns and townships that have one and the 127th-most populous of 924 in New York.

North Castle (town) ranks 54th of 1,623 places in New York with 1,000 or more residents and a reliable estimate, by median household income.

North Castle (town)'s rank in New York (1 = highest): by population among the state's towns and townships with a 2025 estimate; by the other measures among places of 1,000+ residents with a reliable estimate
MeasureRankOf
Population, July 2025 estimate127th924
Growth 2020-2025 (PEP)395th1,225
Residents per square mile846th1,657
Median household income54th1,623
Per capita income43rd1,653
Median home value58th1,637
Median gross rent176th1,515
Poverty rate1,236th1,331
Bachelor's degree or higher50th1,640
Median age977th1,654
Owner-occupied share490th1,639
Work from home192nd1,350
Travel time to work138th1,652

North Castle (town)'s figures with every place in New York (CSV)

Every place in New York, sortable · Compare North Castle (town) 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 North Castle (town)?

12 of the 57 figures for North Castle (town) 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 North Castle (town) 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.