Jefferson County, New York Population 2020

Jefferson County, New York's estimated population is 109,139 with a growth rate of -1.18% in the past year according to the most recent United States census data. Jefferson County, New York is the 26th largest county in New York.

Year Population Growth Growth Rate
2020109,139-1,308-1.18%
2019110,447-1,308-1.17%
2018111,755-1,308-1.16%
2017113,063480.04%
2016113,015-3,388-2.91%
2015116,403-1,602-1.36%
2014118,005-510-0.43%
2013118,515-1,746-1.45%
2012120,2612,4922.12%
2011117,7691,1751.01%
2010116,5945,6515.09%
1990110,94322,79225.86%
198088,151-357-0.40%
197088,5086730.77%
196087,8352,3142.71%
195085,5211,5181.81%
194084,0034290.51%
193083,5741,3241.61%
192082,2501,8682.32%
191080,3823,6344.73%
190076,7487,94211.54%
189068,8062,7034.09%
188066,1036881.05%
187065,415-4,410-6.32%
186069,8251,6722.45%
185068,1537,16911.76%
184060,98412,49125.76%
183048,49315,54147.16%
182032,95217,812117.65%
181015,1400.00%
2020 Growth Rate
-1.18%
County Website
Founded
1805
County Seat
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Jefferson County, New York Population Growth

Population by Race

Race Population Percentage
White98,57086.13%
Black or African American6,8946.02%
Two or More Races4,6144.03%
Asian1,8841.65%
Some Other Race1,7081.49%
American Indian and Alaska Native5330.47%
Native Hawaiian and Other Pacific Islander2450.21%
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Jefferson County, New York Population Pyramid 2020

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Jefferson County, New York Median Age

32.4


Total

30.6


Male

34.5


Female

Jefferson County, New York Adults

There are 86,671 adults, (14,619 of whom are seniors) in Jefferson County, New York.

Jefferson County, New York Age Dependency

58.8

Age Dependency Ratio

20.3

Old Age Dependency Ratio

38.6

Child Dependency Ratio

Jefferson County, New York Sex Ratio

Female

54,517

47.63%

Male

59,931

52.37%

Jefferson County, New York Households and Families

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

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Jefferson County, New York Household Types

Type Owner Renter
Married67.3%32.7%
All55.7%44.3%
Male52.8%47.2%
Non Family44%56%
Female38.7%61.3%

55.7%

Rate of Home Ownership

Type Count Average Size Owned
All43,2672.555.7
Married22,1513.167.3
Non Family14,5681.2544
Female4,6653.2838.7
Male1,8833.1752.8

3.03

Average Family Size

2.5

Average Household Size

7%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

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Jefferson County, New York Education

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Education Attained Count Percentage
Less Than 9th Grade1,8452.55%
9th to 12th Grade4,6126.37%
High School Graduate24,59033.98%
Some College16,12422.28%
Associates Degree9,08312.55%
Bachelors Degree9,30512.86%
Graduate Degree6,8109.41%
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Jefferson County, New York Educational Attainment by Race

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Name Total High School Bachelors
White62,08256,78514,062
Hispanic3,8853,426555
Black3,6423,199659
Multiple Races1,6211,484368
Asian1,110960489
Other Race1,05890048
Native American31727832
Islander18618638

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

The highest rate of bachelors degrees is among asian people with a rate of 44.05%.

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Name Average Male Female
Overall$35,324$41,852$27,152
Less Than High School$21,619$29,508$12,278
High School Grad$27,675$34,961$19,962
Some College$33,698$42,329$26,017
Bachelors Degree$46,215$55,010$35,989
Graduate Degree$62,049$71,453$54,956

$35,324

Average Earnings

$41,852

Average Male

$27,152

Average Female

Jefferson County, New York Language

Jefferson County, New York Language by Age

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Jefferson County, New York Language

92.16% of Jefferson County, New York residents speak only English, while 7.84% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.06% of the population.

Jefferson County, New York Poverty

Jefferson County, New York Poverty by Race

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Name Total In Poverty Poverty Rate
White90,32811,74513.00%
Hispanic6,9831,53321.95%
Black5,5251,02818.61%
Multiple4,08989121.79%
Asian1,81742623.45%
Other1,10215213.79%
Native4386915.75%
Islander2285725.00%

14.24%

Overall Poverty Rate

12.34%

Male Poverty Rate

16.15%

Female Poverty Rate

Poverty in Jefferson County, New York

The race most likely to be in poverty in Jefferson County, New York is Islander, with 25.00% below the poverty level.

The race least likely to be in poverty in Jefferson County, New York is White, with 13.00% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.69%. Among those working part-time, it was 16.99%, and for those that did not work, the poverty rate was 21.89%.

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Name Poverty
Less Than High School25.78%
High School14.83%
Some College9.93%
Bachelors or Greater3.92%
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Name Poverty
Male Unemployed32.39%
Female Unemployed30.67%
Female Employed8.88%
Male Employed5.23%

Jefferson County, New York Income

Jefferson County, New York Income by Household Type

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Name Median Mean
Households$52,268$65,268
Families$61,483$74,522
Married Families$69,613$83,278
Non Families$33,407$43,778
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Jefferson County, New York Marital Status

Jefferson County, New York Marital Status

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Marriage Rates

52.3%

Overall Marriage Rate

50.8%

Male Marriage Rate

54.0%

Female Marriage Rate

Jefferson County, New York Married by Age and Sex

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Jefferson 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 45-54.

Jefferson County, New York Marital Status by Race

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Jefferson County, New York Veterans

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10,464

Number of Veterans

9,161

Male Veterans

1,303

Female Veterans

War Veterans
Second Gulf War4,697
First Gulf War2,931
Vietnam2,098
Korea683
World War II219
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Age Group Veterans
35 to 543,122
18 to 342,677
65 to 741,656
55 to 641,516
75+1,493
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Name Veterans % of Total
White8,85812.86%
Black1,07128.48%
Hispanic80320.83%
Other26925.16%
Asian928.23%
2 or More915.43%
Indian4715.26%
Hawaiian3631.30%

Jefferson County, New York Veterans by Education

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5.81%

Veteran Poverty Rate

26.65%

Veteran Disability Rate

Jefferson County, New York Employment Status

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64.4%

Labor Force Participation

50%

Employment Rate

6.5%

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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66.50%

Born in New York

96.21%

Native Born

3.79%

Foreign Born

1.74%

Non Citizen

2.05%

Naturalized

Place of Birth

96.21% of Jefferson County, New York residents were born in the United States, with 66.50% having been born in New York. 1.74% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  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