Seneca County, New York Population 2020

Seneca County, New York's estimated population is 34,246 with a growth rate of -0.08% in the past year according to the most recent United States census data. Seneca County, New York is the 57th largest county in New York.

Year Population Growth Growth Rate
202034,246-27-0.08%
201934,273-27-0.08%
201834,300-27-0.08%
201734,327-404-1.16%
201634,731-83-0.24%
201534,814-73-0.21%
201434,887-340-0.97%
201335,227-111-0.31%
201235,338240.07%
201135,314530.15%
201035,2611,5784.68%
199033,683-50-0.15%
198033,733-1,350-3.85%
197035,0833,0999.69%
196031,9842,7319.34%
195029,2533,52113.68%
194025,7327493.00%
193024,9832481.00%
192024,735-2,237-8.29%
191026,972-1,142-4.06%
190028,114-113-0.40%
189028,227-1,051-3.59%
188029,2781,4555.23%
187027,823-315-1.12%
186028,1382,69710.60%
185025,4415672.28%
184024,8743,83318.22%
183021,041-2,578-10.91%
182023,6197,01042.21%
181016,6090.00%
2020 Growth Rate
-0.08%
County Website
Founded
1804
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Seneca County, New York Population Growth

Population by Race

Race Population Percentage
White31,66991.50%
Black or African American1,7074.93%
Two or More Races6251.81%
Asian2420.70%
Some Other Race2340.68%
American Indian and Alaska Native1350.39%
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Seneca County, New York Population Pyramid 2020

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Seneca County, New York Median Age

42.2


Total

40.5


Male

44.8


Female

Seneca County, New York Adults

There are 27,697 adults, (6,322 of whom are seniors) in Seneca County, New York.

Seneca County, New York Age Dependency

61.9

Age Dependency Ratio

29.6

Old Age Dependency Ratio

32.4

Child Dependency Ratio

Seneca County, New York Sex Ratio

Female

16,516

47.72%

Male

18,096

52.28%

Seneca County, New York Households and Families

Seneca County, New York Renter vs Owner Occupied by Household Type

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Seneca County, New York Household Types

Type Owner Renter
Married89.1%10.9%
All74%26%
Non Family62.2%37.8%
Female54%46%
Male53.7%46.3%

74.0%

Rate of Home Ownership

Type Count Average Size Owned
All13,5222.3374
Married6,530389.1
Non Family5,0071.2662.2
Female1,3162.7654
Male6692.8953.7

2.83

Average Family Size

2.33

Average Household Size

10.6%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

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Seneca County, New York Education

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Education Attained Count Percentage
Less Than 9th Grade1,2625.09%
9th to 12th Grade2,3509.47%
High School Graduate8,66534.94%
Some College4,41317.79%
Associates Degree2,93211.82%
Bachelors Degree2,98512.03%
Graduate Degree2,1968.85%
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Seneca County, New York Educational Attainment by Race

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Name Total High School Bachelors
White22,27419,5074,931
Black1,31574228
Hispanic72749555
Multiple Races35930178
Other Race1691102
Asian13211179
Native American1107214

The highest rate of high school graduation is among white people with a rate of 87.58%.

The highest rate of bachelors degrees is among asian people with a rate of 59.85%.

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Name Average Male Female
Overall$35,033$41,502$28,886
Less Than High School$20,054$24,918$12,966
High School Grad$30,289$37,972$21,268
Some College$34,219$40,218$30,964
Bachelors Degree$42,304$51,182$32,071
Graduate Degree$56,263$66,932$50,764

$35,033

Average Earnings

$41,502

Average Male

$28,886

Average Female

Seneca County, New York Language

Seneca County, New York Language by Age

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Seneca County, New York Language

92.91% of Seneca County, New York residents speak only English, while 7.09% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.24% of the population.

Seneca County, New York Poverty

Seneca County, New York Poverty by Race

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Name Total In Poverty Poverty Rate
White29,6323,38211.41%
Hispanic71518325.59%
Multiple54517832.66%
Asian22912253.28%
Black4034310.67%
Native1072220.56%
Other13043.08%

12.42%

Overall Poverty Rate

10.71%

Male Poverty Rate

14.06%

Female Poverty Rate

Poverty in Seneca County, New York

The race most likely to be in poverty in Seneca County, New York is Asian, with 53.28% below the poverty level.

The race least likely to be in poverty in Seneca County, New York is Other, with 3.08% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.26%. Among those working part-time, it was 17.07%, and for those that did not work, the poverty rate was 18.47%.

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Name Poverty
Less Than High School24.95%
High School13.50%
Some College6.60%
Bachelors or Greater4.23%
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Name Poverty
Male Unemployed24.18%
Female Unemployed20.22%
Female Employed8.81%
Male Employed5.74%

Seneca County, New York Income

Seneca County, New York Income by Household Type

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Name Median Mean
Households$54,695$69,516
Families$67,208$82,521
Married Families$77,385$92,514
Non Families$31,223$43,320
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Seneca County, New York Marital Status

Seneca County, New York Marital Status

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Marriage Rates

48.4%

Overall Marriage Rate

47.4%

Male Marriage Rate

49.5%

Female Marriage Rate

Seneca County, New York Married by Age and Sex

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Seneca County, New York Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Seneca County, New York Marital Status by Race

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Seneca County, New York Veterans

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2,433

Number of Veterans

2,268

Male Veterans

165

Female Veterans

War Veterans
Vietnam947
First Gulf War340
Second Gulf War281
Korea229
World War II119
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Age Group Veterans
65 to 74654
75+608
35 to 54539
55 to 64498
18 to 34134
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Name Veterans % of Total
White2,3309.23%
Black865.52%
Hispanic283.27%
2 or More102.70%
Indian75.83%

Seneca County, New York Veterans by Education

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7.28%

Veteran Poverty Rate

33.45%

Veteran Disability Rate

Seneca County, New York Employment Status

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56.5%

Labor Force Participation

54.5%

Employment Rate

3.5%

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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81.88%

Born in New York

97.78%

Native Born

2.22%

Foreign Born

0.88%

Non Citizen

1.34%

Naturalized

Place of Birth

97.78% of Seneca County, New York residents were born in the United States, with 81.88% having been born in New York. 0.88% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990