Demographics
Change in Population, by Race/Ethnicity

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Source: U.S. Census Bureau

What does this measure?

The change in population of a geographic area broken down by racial and ethnic groups since 2000.

Why is this important?

Population measures provide insight on the changing size and face of communities. The racial and ethnic composition of a community can offer insights in to the strengths, needs and challenges of specific groups within the community.

How is Westchester County performing?

Westchester County has grown more diverse since 2000. The Hispanic population grew fastest, increasing by 68% from 2000 to 2016-20, followed by the Asian population (44%) and the African American population (9%). The white population decreased by 9% during this same time period but still makes up a large majority with over 598,000 residents.

Growth in Westchester County's Hispanic population was on par with the nation, outpaced the state (30%), but was slower than in Putnam (157%), Rockland (99%) and Nassau (73%) counties. Westchester County's Asian population growth was below the nation (80%), state (60%), and the counties of Nassau (121%) and Putnam (73%), but greater than Rockland (23%).

Notes about the data

The multi-year figures are from the Census Bureau's American Community Survey. The bureau combined five years of responses to the survey to provide estimates for smaller geographic areas and increase the precision of its estimates. However, because the information came from a survey, the samples responding to the survey were not always large enough to produce reliable results, especially in small geographic areas. CGR has noted on data tables the estimates with relatively large margins of error. Estimates with three asterisks have the largest margins, plus or minus 50% or more of the estimate. Two asterisks mean plus or minus 35%-50%, and one asterisk means plus or minus 20%-35%. For all estimates, the confidence level is 90%, meaning there is 90% probability the true value (if the whole population were surveyed) would be within the margin of error (or confidence interval).

Change in Total Population, by Race/Ethnicity, 2016-20
AsianBlack or African AmericanHispanicWhite
Westchester County44%9%68%-9%
Nassau County121%17%73%-15%
Putnam County73%114%157%-7%
Rockland County23%25%99%3%
New York State60%-0%30%-6%
Mount Vernon-1%*4%66%-29%
New Rochelle113%18%65%-11%
Peekskill-9%***-3%116%-26%
Rye City2%**73%***110%*-1%
White Plains86%-15%47%-4%
Yonkers33%19%56%-20%
Westchester County Towns
Bedford164%***-34%*179%*-14%
Cortlandt22%92%*181%-6%
Eastchester52%*-27%***73%-2%
Greenburgh25%-2%88%-4%
Harrison74%*297%**128%4%
Lewisboro69%**-38%***142%**-4%
Mamaroneck82%*30%***45%*-7%
Mount Kisco4%***-33%***60%*6%
Mount Pleasant52%21%*49%-8%
New Castle78%*170%***-17%**-6%
North Castle80%**85%***256%*-1%
North Salem476%***421%***84%**-15%
Ossining20%*-29%61%-8%
Pelham72%*105%**112%-10%
Pound Ridge82%***65%***149%***2%
Rye22%*-2%*47%-4%
Scarsdale29%-19%***151%**-11%
Somers67%**41%***298%**9%
Yorktown49%*90%**129%-10%
Westchester County Villages
Ardsley9%*155%***49%***-11%
Briarcliff Manor-19%**1%***212%**-6%
Bronxville34%***-3%***197%*-8%
Buchanan173%***1,267%***563%***-24%
Croton-on-Hudson70%**98%***91%*-1%
Dobbs Ferry-19%**-35%**128%*-0%
Elmsford22%**34%*110%*-26%*
Village of Harrison74%*297%**128%4%
Hastings-on-Hudson-10%***-44%***76%**5%
Irvington4%***10%***123%***-9%
Larchmont110%***57%***60%***-12%
Village of Mamaroneck31%*4%**50%*-9%
Village of Mount Kisco4%***-33%***60%*6%
Village of Ossining34%**-34%55%-9%
Village of Pelham61%**67%**126%*-9%
Pelham Manor95%***247%***87%*-10%
Pleasantville37%***88%***117%***-10%
Port Chester-17%**-15%**41%-6%
Rye Brook42%**0%***176%*4%
Village of Scarsdale29%-19%***151%**-11%
Sleepy Hollow-12%***-4%***18%-16%
Tarrytown37%**-33%***47%*-3%
Tuckahoe38%**-58%***39%**1%

Source: U.S. Census Bureau
Notes: Rate is percentage change from 2000. The Census Bureau asks people to identify their race (white, African-American, etc.) separate from their ethnicity (Hispanic or non-Hispanic). So the totals for these categories cannot be added together, as people show up in both a racial and ethnic group. Multiyear results are from rolling American Community Survey. * Margin of error between 20% & 35% of estimate; ** margin of error between 35% & 50%; *** margin of error greater than 50%.




Total Population by Race/Ethnicity, 2016-20
AsianBlack or African AmericanHispanicWhite
Westchester County59,474143,210241,442598,387
Nassau County139,462157,724230,740898,922
Putnam County2,0633,34915,38883,948
Rockland County19,47439,48558,036227,473
New York State1,674,2163,002,4013,720,70712,160,045
Mount Vernon1,437*42,38511,76513,994
New Rochelle4,98016,27423,90843,657
Peekskill485***5,58010,6229,486
Rye City989**328***1,510*13,216
White Plains4,4517,18818,37533,029
Yonkers12,69738,73879,49894,397
Westchester County Towns
Bedford948***848*3,834*13,654
Cortlandt1,2013,388*7,77032,068
Eastchester3,266*643***2,42926,771
Greenburgh9,47811,15914,74460,038
Harrison2,283*1,370**3,68522,458
Lewisboro435**91***740**11,314
Mamaroneck1,650*1,056***4,591*23,828
Mount Kisco441***403***3,924*8,237
Mount Pleasant2,1452,646*9,00333,577
New Castle1,732*648***404**15,015
North Castle775**354***1,598*9,945
North Salem288***203***347**4,174
Ossining1,984*3,73011,71823,714
Pelham810*1,112**1,5129,360
Pound Ridge142***94***289***4,618
Rye1,541*2,213*20,99729,899
Scarsdale2,887219***1,174**13,370
Somers570**442***2,163**18,961
Yorktown1,859*2,098**4,84229,607
Westchester County Villages
Ardsley577*166***271***3,202
Briarcliff Manor340**134***753**6,535
Bronxville422***73***571*5,539
Buchanan71***205***504***1,593
Croton-on-Hudson267**281***1,005*6,906
Dobbs Ferry648**506**1,697*8,539
Elmsford518**1,271*2,285*1,928*
Village of Harrison2,283*1,370**3,68522,458
Hastings-on-Hudson284***101***606**7,177
Irvington479***106***559***5,347
Larchmont384***69***466***5,406
Village of Mamaroneck863*809**4,924*14,439
Village of Mount Kisco441***403***3,924*8,237
Village of Ossining1,350**3,19510,30313,261
Village of Pelham511**710**1,040*4,823
Pelham Manor299***402***472*4,537
Pleasantville283***391***1,144***5,855
Port Chester478**1,652**18,21315,979
Rye Brook521**89***1,291*8,235
Village of Scarsdale2,887219***1,174**13,370
Sleepy Hollow151***465***4,8995,228
Tarrytown987**526***2,634*8,288
Tuckahoe836**261***763**4,643

Source: U.S. Census Bureau
Notes: The Census Bureau asks people to identify their race (white, African-American, etc.) separate from their ethnicity (Hispanic or non-Hispanic). So the totals for these categories cannot be added together, as people show up in both a racial and ethnic group. Multiyear results are from rolling American Community Survey. * Margin of error between 20% & 35% of estimate; ** margin of error between 35% & 50%; *** margin of error greater than 50%.








INDICATORS TREND | WESTCHESTER
Early Prenatal Care, by Mother's Race/Ethnicity 1
Increasing
Infant Mortality Rate, by Race/Ethnicity 10 Not Applicable*
Children with Elevated Blood Lead Levels 0
Maintaining
Children Receiving Subsidized Child Care -1
Decreasing
Children Living in Poverty, by Race/Ethnicity 1
Increasing
Disengaged Youth, Ages 16 to 19 -1
Decreasing
Single-Parent Families, by Race/Ethnicity 1
Increasing
Single Female-Headed Households 0
Maintaining
Contributions as a Percentage of Income 0
Maintaining
Voter Registration Rate 1
Increasing
Voter Participation Rate 1
Increasing
Serious Crimes -1
Decreasing
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 -1
Decreasing
Means of Transportation to Work, by Race/Ethnicity -1
Decreasing
Air Quality 1
Increasing
Population Density 0
Maintaining
Water Quality of the Long Island Sound 1
Increasing
Open Space in Westchester County 1
Increasing
Change in Total Population 1
Increasing
Change in Population, by Race/Ethnicity 1
Increasing
Change in Population, by Age -1
Decreasing
People with Disabilities 1
Increasing
Language Diversity 1
Increasing
People 65 or Older Living Alone 1
Increasing
Change in Total Jobs -1
Decreasing
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 0
Maintaining
Female to Male Earnings Ratio 0
Maintaining
Unemployment Rate, by Race/Ethnicity 1
Increasing
People Living in Poverty -1
Decreasing
People Living in Poverty, by Race/Ethnicity 0
Maintaining
Seniors Living in Poverty 0
Maintaining
Seniors Living in Poverty, by Race/Ethnicity 1
Increasing
Food Insecurity -1
Decreasing
Households Receiving SNAP, by Race/Ethnicity 0
Maintaining
Public Assistance 0
Maintaining
People Receiving Supplemental Security Income 1
Increasing
Homeownership Rate, by Race/Ethnicity 1
Increasing
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 1
Increasing
High School Cohort Graduation Rate, by Race/Ethnicity 1
Increasing
College Admission Rate, by Race/Ethnicity 1
Increasing
College Enrollment Rate, by Race/Ethnicity -1
Decreasing
Education Levels of Adults, by Race/Ethnicity 1
Increasing
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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