Williamsville, New York Population 2020

5,259
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Williamsville is a city located in New York. With a 2020 population of 5,259, it is the 164th largest city in New York and the 4609th largest city in the United States. Williamsville is currently growing at a rate of 0.23% annually but its population has decreased by -0.77% since the most recent census, which recorded a population of 5,300 in 2010. Williamsville reached it's highest population of 6,835 in 1970. Spanning over 1 miles, Williamsville has a population density of 4,181 people per square mile.

The average household income in Williamsville is $81,676 with a poverty rate of 10.45%. The median rental costs in recent years comes to $984 per month, and the median house value is $167,800. The median age in Williamsville is 46.7 years, 43.8 years for males, and 48.5 years for females. For every 100 females there are 82.9 males.

Williamsville Demographics

According to the most recent ACS, the racial composition of Williamsville was:

  • White: 91.12%
  • Black or African American: 3.58%
  • Asian: 2.97%
  • Two or more races: 1.45%
  • Native American: 0.53%
  • Other race: 0.34%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Williamsville, New York is 5,259, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 5,235.The last official US Census in 2010 recorded the population at 5,300.

Williamsville, New York Population 2020

Population by Race

Race Population Percentage
White4,78191.12%
Black or African American1883.58%
Asian1562.97%
Two or More Races761.45%
American Indian and Alaska Native280.53%
Some Other Race180.34%
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Williamsville Population Pyramid 2020

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Williamsville Median Age

46.7


Total

43.8


Male

48.5


Female

Williamsville Adults

There are 4,412 adults, (1,264 of whom are seniors) in Williamsville.

Williamsville Age Dependency

66.7

Age Dependency Ratio

40.2

Old Age Dependency Ratio

26.5

Child Dependency Ratio

Williamsville Sex Ratio

Female

2,868

54.66%

Male

2,379

45.34%

Williamsville Households and Families

Williamsville Renter vs Owner Occupied by Household Type

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Williamsville Household Types

Type Owner Renter
Married87.4%12.6%
All63.5%36.5%
Female58.4%41.6%
Non Family47.2%52.8%
Male31.8%68.2%

63.5%

Rate of Home Ownership

Type Count Average Size Owned
All2,4312.0863.5
Non Family1,1441.2247.2
Married9682.8787.4
Female2092.6558.4
Male1102.9831.8

2.78

Average Family Size

2.08

Average Household Size

6.4%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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Williamsville Education

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Education Attained Count Percentage
Less Than 9th Grade320.80%
9th to 12th Grade491.23%
High School Graduate60515.20%
Some College71317.91%
Associates Degree2075.20%
Bachelors Degree1,21030.40%
Graduate Degree1,16429.25%
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Williamsville Educational Attainment by Race

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Name Total High School Bachelors
White3,7263,6752,232
Black947328
Hispanic827860
Asian393426
Native American282828
Multiple Races20209
Other Race11117

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 100.00%.

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Name Average Male Female
Overall$43,103$41,271$44,619
Less Than High School$$$
High School Grad$19,483$27,875$16,806
Some College$30,856$31,603$27,115
Bachelors Degree$43,864$34,875$48,365
Graduate Degree$67,829$71,429$64,083

$43,103

Average Earnings

$41,271

Average Male

$44,619

Average Female

Williamsville Language

Williamsville Language by Age

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Williamsville Language

94.06% of Williamsville residents speak only English, while 5.94% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 2.43% of the population.

Williamsville Poverty

Williamsville Poverty by Race

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Name Total In Poverty Poverty Rate
White4,6173768.14%
Asian15613385.26%
Black1882111.17%
Multiple76911.84%

10.45%

Overall Poverty Rate

7.68%

Male Poverty Rate

12.74%

Female Poverty Rate

Poverty in Williamsville

The race most likely to be in poverty in Williamsville is Asian, with 85.26% below the poverty level.

The race least likely to be in poverty in Williamsville is White, with 8.14% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.62%. Among those working part-time, it was 11.23%, and for those that did not work, the poverty rate was 29.16%.

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Name Poverty
Less Than High School49.23%
High School14.61%
Some College9.99%
Bachelors or Greater7.83%
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Name Poverty
Male Employed4.66%
Female Employed2.79%
Female Unemployed0.00%
Male Unemployed0.00%

Williamsville Income

Williamsville Income by Household Type

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Name Median Mean
Households$62,168$81,676
Families$87,428$107,361
Married Families$107,159-
Non Families$41,923$52,781
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Williamsville Marital Status

Williamsville Marital Status

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Marriage Rates

41.4%

Overall Marriage Rate

46.5%

Male Marriage Rate

37.4%

Female Marriage Rate

Williamsville Married by Age and Sex

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Williamsville Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Williamsville Marital Status by Race

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Williamsville Veterans

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356

Number of Veterans

346

Male Veterans

10

Female Veterans

War Veterans
Vietnam110
Korea45
World War II26
Second Gulf War26
First Gulf War20
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Age Group Veterans
75+159
65 to 7496
55 to 6443
35 to 5432
18 to 3426
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Name Veterans % of Total
White3408.17%
Hispanic3036.59%
Black128.82%
Other436.36%

Williamsville Veterans by Education

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3.57%

Veteran Poverty Rate

36.90%

Veteran Disability Rate

Williamsville Employment Status

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65%

Labor Force Participation

63%

Employment Rate

3%

Unemployment Rate

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Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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75.72%

Born in New York

93.44%

Native Born

6.56%

Foreign Born

2.94%

Non Citizen

3.62%

Naturalized

Place of Birth

93.44% of Williamsville residents were born in the United States, with 75.72% having been born in New York. 2.94% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
20205,259120.23%
20195,247120.23%
20185,235-12-0.23%
20175,247120.23%
20165,235-34-0.65%
20155,269-10-0.19%
20145,279-22-0.42%
20135,301120.23%
20125,289-16-0.30%
20115,30550.09%
20105,300-273-0.50%
20005,573-10-0.02%
19905,583-434-0.75%
19806,017-818-1.27%
19706,8355190.79%
19606,3161,6673.11%
19504,6491,0352.55%
19403,6144951.48%
19303,1190.00%