Demographics
Change in Total Population

Using the charts: Items in the legend below the chart can be clicked on and off to aid in analysis. The chart can also be printed or exported as an image or document using the menu at the top right of the chart. See a Guide to the Westchester Index Website for more information.





Source: U.S. Census Bureau

What does this measure?

The total change in the number of people living in a geographic area since 2010.

Why is this important?

Changes in total population can indicate the overall health of a community and its ability to attract and retain residents.

How is Westchester County performing?

From 2010 to 2024, the total population of Westchester County increased 6%, with more than 1 million residents calling the area home in 2024. This compares to growth of 3% in the state and 10% in the nation. Rockland County experienced the highest level of regional growth, at 12%, while Nassau County grew by 4% and Putnam County decreased by 1%.

The largest locality in Westchester County is the City of Yonkers, with a population of approximately 211,000 in 2024. Other population centers include Mount Vernon (157,500), Greenburgh (94,000) and New Rochelle (85,500). The fastest growing places since 2010 were Sleepy Hollow (which grew 16%), Harrison (14%) and Ardsley (14%). The population fell in seven places including: Briarcliff Manor (-5%), Bedford (-5%), Lewisboro (-3%) and Pound Ridge (-2%).

Notes about the data

None.

Change in Total Population
201020112012201320142015201620172018201920202021202220232024
Westchester CountyN/A0.7%1.1%1.6%1.9%2.1%2.2%2.2%2.0%1.9%5.8%5.4%4.7%5.0%6.0%
Nassau CountyN/A0.5%0.7%0.9%1.1%1.1%1.2%1.3%1.3%1.3%4.2%3.9%3.5%3.4%3.9%
Putnam CountyN/A0.2%-0.0%-0.1%-0.2%-0.5%-0.9%-0.8%-0.8%-1.3%-2.0%-1.4%-1.4%-1.7%-1.2%
Rockland CountyN/A1.2%1.8%2.4%3.0%3.6%3.7%4.1%4.4%4.5%8.5%9.0%9.3%10.1%11.7%
New York StateN/A0.6%1.0%1.3%1.4%1.4%1.3%1.1%0.8%0.4%4.3%2.4%1.7%1.9%2.5%
Mount VernonN/A0.6%0.8%1.2%1.3%1.4%1.4%1.0%0.5%0.0%9.8%8.2%6.9%6.4%7.0%
New RochelleN/A0.8%1.6%2.8%2.9%3.0%3.0%2.6%2.2%1.9%3.4%5.6%7.0%9.2%10.9%
PeekskillN/A0.7%0.8%1.3%1.4%1.5%1.5%1.7%2.5%3.0%7.9%9.6%8.5%8.5%9.2%
Rye CityN/A0.6%0.7%1.2%1.3%1.4%1.3%0.8%0.4%-0.1%5.7%4.7%3.9%3.8%4.8%
White PlainsN/A0.6%0.7%1.4%1.5%2.0%2.0%2.7%2.2%2.2%4.7%5.0%4.9%8.7%10.0%
YonkersN/A0.8%1.0%1.4%1.7%1.9%2.1%2.0%2.0%2.2%7.9%7.2%6.5%6.6%7.7%
Westchester County Towns
BedfordN/A0.7%1.1%2.4%2.2%2.7%2.3%2.2%1.9%1.2%-0.8%-3.8%-5.0%-5.3%-4.5%
CortlandtN/A0.7%1.4%1.8%1.9%2.1%2.3%2.1%2.0%1.7%2.3%1.0%-0.2%-0.4%0.4%
EastchesterN/A0.7%0.8%1.3%1.6%1.7%1.7%2.5%2.2%1.8%7.1%5.7%4.4%4.1%4.7%
GreenburghN/A0.8%2.0%2.5%2.7%3.0%3.7%3.8%3.4%3.0%8.0%6.6%5.7%5.5%6.3%
HarrisonN/A0.6%1.0%1.4%2.0%1.7%1.8%1.7%1.6%5.4%2.7%8.1%7.8%13.2%14.1%
LewisboroN/A0.6%0.8%1.3%1.7%1.9%2.1%1.7%1.3%0.9%-1.2%-2.4%-2.8%-3.3%-2.6%
MamaroneckN/A0.7%0.8%1.4%2.0%2.1%2.3%1.9%1.5%1.2%9.0%7.7%6.5%6.3%7.2%
Mount KiscoN/A0.6%0.8%1.3%1.4%1.6%1.5%1.0%0.6%0.1%1.7%0.4%-0.9%-1.3%-0.8%
Mount PleasantN/A1.0%1.1%1.2%1.7%2.7%2.9%3.0%3.0%2.8%1.7%3.2%2.5%2.0%3.1%
New CastleN/A0.8%1.0%1.6%1.8%2.0%2.5%2.1%1.7%1.3%4.2%2.8%1.5%1.4%2.9%
North CastleN/A0.8%1.2%2.0%2.3%2.6%3.2%2.8%2.7%2.8%4.2%3.2%2.0%1.7%3.1%
North SalemN/A0.6%0.6%1.0%1.1%1.2%1.2%0.7%0.4%-0.1%2.2%1.2%-0.3%0.0%0.5%
OssiningN/A0.7%0.5%0.7%0.9%-0.0%-0.2%-0.7%0.6%0.1%6.4%4.5%4.0%3.3%4.1%
PelhamN/A0.7%0.8%1.3%1.4%1.5%1.5%1.1%0.7%0.8%5.6%4.3%3.5%3.0%6.6%
Pound RidgeN/A0.8%1.0%1.5%1.7%1.9%1.9%1.5%1.2%0.8%0.0%-1.3%-2.3%-2.4%-1.5%
RyeN/A0.6%0.8%1.3%1.5%1.7%1.9%1.5%1.4%1.1%8.0%6.8%5.6%5.1%5.8%
ScarsdaleN/A1.0%1.6%2.3%2.9%3.6%4.1%4.4%4.4%4.4%6.6%5.4%4.5%4.3%5.3%
SomersN/A1.5%1.6%2.1%3.2%3.4%3.7%5.9%5.6%5.2%5.0%4.1%3.2%2.8%3.5%
YorktownN/A0.6%0.8%1.3%1.5%1.7%1.7%1.3%0.9%0.5%1.3%-0.0%-1.2%-1.7%-1.0%
Westchester County Villages
ArdsleyN/A0.8%1.0%1.5%1.6%3.1%3.4%2.9%2.6%2.8%16.2%14.7%13.2%12.9%13.6%
Briarcliff ManorN/A0.8%0.8%0.8%1.2%-4.1%-4.9%-5.2%3.6%3.1%-3.4%-4.8%-5.7%-6.1%-5.2%
BronxvilleN/A0.6%0.7%1.1%1.3%1.4%1.3%3.0%2.6%2.2%6.0%4.6%3.2%2.7%3.3%
BuchananN/A0.7%0.7%1.2%1.4%1.4%1.5%1.3%1.1%0.7%3.7%2.2%0.9%0.5%1.0%
Croton-on-HudsonN/A0.6%0.7%1.3%1.4%1.5%1.4%1.1%0.7%0.3%3.2%1.9%0.7%1.5%2.0%
Dobbs FerryN/A0.6%0.8%1.3%1.6%1.7%1.7%1.3%0.8%0.9%5.6%4.7%4.1%4.2%5.4%
ElmsfordN/A0.7%1.4%1.5%1.7%2.1%6.8%12.0%11.7%11.4%12.6%11.1%9.7%9.7%10.4%
Village of HarrisonN/A0.6%1.0%1.4%2.0%1.7%1.8%1.7%1.6%5.4%2.7%8.1%7.8%13.2%14.1%
Hastings-on-HudsonN/A0.6%0.6%1.3%1.5%1.5%1.5%1.1%0.7%0.2%9.6%8.2%6.9%6.6%7.2%
IrvingtonN/A0.7%1.1%1.6%1.8%2.0%2.0%1.7%1.2%0.9%3.7%2.3%1.0%0.7%1.3%
LarchmontN/A0.6%0.8%1.4%4.0%4.2%4.4%3.9%3.7%3.8%13.2%11.8%11.0%11.4%13.3%
Village of MamaroneckN/A0.6%0.8%1.3%1.5%1.7%2.0%1.7%1.4%1.2%6.8%5.5%4.3%3.9%4.6%
Village of Mount KiscoN/A0.6%0.8%1.3%1.4%1.6%1.5%1.0%0.6%0.1%1.7%0.4%-0.9%-1.3%-0.8%
Village of OssiningN/A0.6%0.3%0.5%0.7%0.8%0.8%0.3%-0.2%-1.0%9.9%7.5%7.3%6.6%7.4%
Village of PelhamN/A0.6%0.7%1.1%1.3%1.4%1.5%1.0%0.7%1.3%6.8%5.5%5.1%4.7%10.5%
Pelham ManorN/A0.8%0.9%1.4%1.6%1.6%1.5%1.1%0.7%0.3%4.2%2.8%1.5%1.0%1.7%
PleasantvilleN/A0.8%0.8%1.4%1.6%1.7%1.7%1.9%2.2%2.6%6.3%4.9%3.6%3.2%3.9%
Port ChesterN/A0.7%0.8%1.3%1.5%1.7%1.8%1.5%1.1%0.7%9.6%8.1%6.7%6.2%6.8%
Rye BrookN/A0.6%0.7%1.1%1.3%1.6%1.9%1.5%2.3%2.3%7.3%6.9%6.2%5.7%6.4%
Village of ScarsdaleN/A1.0%1.6%2.3%2.9%3.6%4.1%4.4%4.4%4.4%6.6%5.4%4.5%4.3%5.3%
Sleepy HollowN/A0.7%0.8%1.3%3.1%3.2%2.9%2.5%2.0%1.8%1.1%11.5%11.7%11.7%15.8%
TarrytownN/A0.7%1.0%1.5%1.8%2.0%2.2%1.8%1.5%1.2%5.3%4.3%5.0%4.6%5.3%
TuckahoeN/A0.6%0.8%1.3%1.6%1.7%1.6%1.1%1.2%0.8%9.1%7.7%6.3%6.8%7.5%

Source: U.S. Census Bureau
Notes: Rate is percentage change since 2000.




Total Population
201020112012201320142015201620172018201920202021202220232024
Westchester County949,218956,262959,585964,567967,044968,773970,267969,689968,213967,5061,004,4651,000,036993,488996,9261,006,447
Nassau County1,339,8801,346,2231,349,6161,352,1931,354,7051,354,8401,355,9521,357,2931,357,5341,356,9241,395,8051,392,0581,386,8251,386,0521,392,438
Putnam County99,65499,82799,62599,57299,43899,18598,76198,85698,81498,32097,67498,23598,27497,98898,409
Rockland County311,691315,452317,196319,284321,119322,919323,258324,622325,522325,789338,329339,828340,756343,310348,144
New York State19,378,14419,499,24119,572,93219,624,44719,651,04919,654,66619,633,42819,589,57219,530,35119,453,56120,203,77219,848,27619,703,74719,737,36719,867,248
Mount Vernon67,31667,75167,84468,13368,21368,28168,24567,96667,65567,34573,90872,86671,95671,61871,999
New Rochelle77,11577,70178,32879,26579,34279,41979,45579,08478,82278,55779,75181,45882,52084,23585,512
Peekskill23,58923,74323,77223,89223,92323,94123,94423,99624,18724,29525,44225,84925,60025,60225,757
Rye City15,71115,80715,82415,89815,91615,92815,91415,84215,76915,69516,59916,45416,32016,30916,463
White Plains56,86657,18357,25557,64757,73358,02058,00058,38858,14158,10959,55859,68759,66261,78962,561
Yonkers196,026197,584198,057198,769199,367199,667200,077199,873199,883200,370211,575210,104208,768208,922211,040
Westchester County Towns
Bedford17,43617,55817,63217,85817,81817,90317,83817,82417,76417,65117,30016,77516,55916,51216,659
Cortlandt41,58541,88442,15542,33242,38942,46642,52942,47342,41242,29442,52441,98541,48741,41841,763
Eastchester32,32732,54032,58132,75332,85232,88132,87933,14633,04032,90634,62934,17433,74033,65833,860
Greenburgh88,37389,06690,10090,56390,79491,05491,65991,73091,39290,98995,40894,23493,43293,19493,955
Harrison27,45827,63427,74327,85628,00927,92527,94927,93527,90528,94328,20729,68729,61231,08431,321
Lewisboro12,40812,48512,51012,56912,61912,64612,66412,62112,57312,52212,25612,10512,05612,00212,083
Mamaroneck29,13829,33029,38129,53229,71329,75329,79429,67829,57029,49531,76331,37531,03130,97031,240
Mount Kisco10,77910,84810,86010,91810,93110,94710,94110,89210,84110,79510,96010,81910,68410,63510,698
Mount Pleasant43,71844,13444,21944,26344,46044,89245,00245,04545,01544,93344,47245,12744,82844,59845,052
New Castle17,57117,71917,75217,85417,88117,91718,00717,93417,87117,80118,30818,06017,83517,81618,082
North Castle11,89811,99112,03912,13312,16812,21112,27512,23212,21512,23112,39912,27612,13512,10212,264
North Salem5,1275,1595,1595,1785,1825,1875,1865,1625,1475,1245,2425,1895,1125,1295,151
Ossining37,65137,89937,83937,89937,99437,64137,56837,40337,87237,70240,04839,32739,14138,90839,203
Pelham12,37912,46412,47812,53412,55512,56712,56412,51312,46612,48113,07512,91112,81412,75513,192
Pound Ridge5,0885,1285,1415,1665,1755,1835,1855,1665,1495,1295,0885,0244,9724,9655,014
Rye45,92446,22246,28646,50146,59346,68346,77546,62246,57446,42549,60549,05748,49748,27248,568
Scarsdale17,12417,29017,40017,52317,62017,73617,82817,87017,87417,87118,25518,04617,88717,86518,036
Somers20,51620,82720,85320,95021,16921,22221,27321,73421,65821,57421,53621,35721,18221,08921,239
Yorktown36,09536,31536,37736,58136,62836,70336,71636,56036,41836,26936,55736,09035,65835,47935,735
Westchester County Villages
Ardsley4,3794,4144,4214,4434,4514,5164,5274,5054,4944,5025,0905,0214,9594,9464,974
Briarcliff Manor7,8507,9167,9107,9107,9437,5327,4667,4458,1298,0947,5827,4747,4057,3717,440
Bronxville6,2726,3116,3156,3436,3516,3586,3556,4636,4346,4086,6516,5586,4746,4436,479
Buchanan2,2172,2322,2332,2442,2482,2482,2502,2462,2422,2322,2992,2662,2382,2292,240
Croton-on-Hudson8,0708,1218,1238,1778,1848,1928,1848,1568,1248,0958,3288,2278,1258,1888,232
Dobbs Ferry10,92410,99211,01211,06511,09611,11011,11311,06511,01611,02711,54111,44211,37111,38811,513
Elmsford4,6824,7174,7464,7534,7614,7804,9995,2425,2305,2165,2745,2025,1345,1365,168
Village of Harrison27,45827,63427,74327,85628,00927,92527,94927,93527,90528,94328,20729,68729,61231,08431,321
Hastings-on-Hudson7,8397,8887,8857,9387,9577,9537,9557,9247,8907,8538,5958,4788,3768,3578,407
Irvington6,4186,4626,4866,5186,5366,5446,5466,5286,4986,4736,6566,5686,4846,4606,502
Larchmont5,8625,8975,9095,9466,0966,1066,1216,0936,0816,0876,6336,5546,5056,5326,640
Village of Mamaroneck18,90719,02919,05419,15319,18419,22219,27719,22919,16619,13120,19319,95519,71419,65219,783
Village of Mount Kisco10,77910,84810,86010,91810,93110,94710,94110,89210,84110,79510,96010,81910,68410,63510,698
Village of Ossining25,05025,19825,13125,17225,23025,25625,24125,11624,99124,81227,53326,93326,87526,69326,895
Village of Pelham6,8616,9036,9116,9396,9516,9596,9626,9326,9086,9477,3277,2367,2137,1847,579
Pelham Manor5,5185,5615,5675,5955,6045,6085,6025,5815,5585,5345,7485,6755,6015,5715,613
Pleasantville7,0767,1317,1367,1747,1907,1937,1977,2117,2347,2607,5207,4207,3327,2997,351
Port Chester28,97329,16429,20429,34529,40529,45429,48929,39529,30129,16331,74731,32830,92630,77630,957
Rye Brook9,3079,3649,3769,4079,4269,4539,4879,4479,5189,5219,9919,9499,8839,8369,900
Village of Scarsdale17,12417,29017,40017,52317,62017,73617,82817,87017,87417,87118,25518,04617,88717,86518,036
Sleepy Hollow9,8729,9429,95510,00010,17610,18310,15910,11610,07010,0469,98011,00611,02911,02611,427
Tarrytown11,23811,31711,34711,40211,44011,46811,48111,43511,40411,37011,83911,71611,79711,75111,829
Tuckahoe6,4986,5386,5536,5816,6026,6066,6036,5716,5796,5497,0916,9976,9096,9416,984

Source: U.S. Census Bureau








INDICATORS TREND | WESTCHESTER
Early Prenatal Care, by Mother's Race/Ethnicity 10 Not Applicable*
Infant Mortality Rate, by Race/Ethnicity 10 Not Applicable*
Children with Elevated Blood Lead Levels 0
Maintaining
Children Receiving Subsidized Child Care 0
Maintaining
Children Living in Poverty, by Race/Ethnicity 10 Not Applicable*
Disengaged Youth, Ages 16 to 19 -1
Decreasing
Single-Parent Families, by Race/Ethnicity 10 Not Applicable*
Single Female-Headed Households -1
Decreasing
Voter Registration Rate 1
Increasing
Voter Participation Rate -1
Decreasing
Serious Crimes -1
Decreasing
Reported Victims of Domestic Violence -1
Decreasing
Arrest Rates, by Race/Ethnicity 10 Not Applicable*
Households With Internet Access, by Race/Ethnicity 10 Not Applicable*
Households without Vehicles 0
Maintaining
Means of Transportation to Work, by Race/Ethnicity 10 Not Applicable*
Air Quality 1
Increasing
Population Density 0
Maintaining
Water Quality of the Long Island Sound 10 Not Applicable*
Open Space in Westchester County 10 Not Applicable*
Change in Total Population 1
Increasing
Change in Population, by Race/Ethnicity 10 Not Applicable*
Change in Population, by Age 10 Not Applicable*
People with Disabilities 1
Increasing
Language Diversity 1
Increasing
People 65 or Older Living Alone -1
Decreasing
Foreign-Born Population 1
Increasing
Change in Total Jobs 1
Increasing
Change in Jobs by Sector 10 Not Applicable*
Business Ownership, by Race/Ethnicity 10 Not Applicable*
Average Salary by Sector 10 Not Applicable*
Median Household Income, by Race/Ethnicity 10 Not Applicable*
Female to Male Earnings Ratio 0
Maintaining
Income in Relation to Poverty Level 10 Not Applicable*
Unemployment Rate, by Race/Ethnicity 10 Not Applicable*
People Living in Poverty 0
Maintaining
People Living in Poverty, by Race/Ethnicity 10 Not Applicable*
Seniors Living in Poverty 1
Increasing
Seniors Living in Poverty, by Race/Ethnicity 10 Not Applicable*
Food Insecurity -1
Decreasing
Households Receiving SNAP, by Race/Ethnicity 10 Not Applicable*
Public Assistance 0
Maintaining
People Receiving Supplemental Security Income 0
Maintaining
Homeownership Rate, by Race/Ethnicity 10 Not Applicable*
Cost of Homeownership, by Race/Ethnicity 10 Not Applicable*
Overall Housing Cost Burden -1
Decreasing
Cost of Rent, by Race/Ethnicity 10 Not Applicable*
Rent Burdened Households -1
Decreasing
Homelessness, by Race/Ethnicity 10 Not Applicable*
Homelessness, by Sex 10 Not Applicable*
Per-Student Spending 0
Maintaining
Student Suspensions -1
Decreasing
Student Performance on Grade 3 English, by Race/Ethnicity 10 Not Applicable*
High School Cohort Graduation Rate, by Race/Ethnicity 10 Not Applicable*
College Admission Rate, by Race/Ethnicity 10 Not Applicable*
College Enrollment Rate, by Race/Ethnicity 10 Not Applicable*
Education Levels of Adults, by Race/Ethnicity 10 Not Applicable*
People Without Health Insurance -1
Decreasing
Mortality Rate, by Race/Ethnicity 10 Not Applicable*
Mortality Rate from Chronic Lower Respiratory Disease, by Race/Ethnicity 10 Not Applicable*
Diabetes Mortality, by Race/Ethnicity 10 Not Applicable*
Suicide Rates, by Race/Ethnicity 10 Not Applicable*


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