Jefferson, New Jersey Population 2024

20,483

Jefferson is a city located in New Jersey. Jefferson has a 2024 population of 20,483. Jefferson is currently declining at a rate of -0.08% annually and its population has decreased by 0% since the most recent census, which recorded a population of 20,484 in 2020.

The average household income in Jefferson is $138,484 with a poverty rate of 5.86%. The median age in Jefferson is 46 years: 45.8 years for males, and 46.2 years for females.

Jefferson Demographics

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

  • White: 83.14%
  • Two or more races: 8.03%
  • Black or African American: 3.74%
  • Asian: 3.74%
  • Other race: 1.18%
  • Native American: 0.1%
  • Native Hawaiian or Pacific Islander: 0.06%
Land Area (mi²)
39.0 sq mi
Density (mi²)
525.70/sq mi
Growth Since 2020
0% (-1)
The current population of Jefferson, New Jersey is 20,483 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 20,484.

Population by Race

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Race
Population
Percentage (of total)
White17,09083.14%
Two or more races1,6518.03%
Black or African American7693.74%
Asian7693.74%
Other race2431.18%
Native American200.1%
Native Hawaiian or Pacific Islander130.06%

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Jefferson Population by Race

Jefferson Population Pyramid 2024

Jefferson Median Age

46

Total

45.8

Male

46.2

Female

Jefferson Adults

There are 16,531 adults, (3,617 of whom are seniors) in Jefferson.

Jefferson Age Dependency

59.2

Age Dependency Ratio

28

Old Age Dependency Ratio

31.2

Child Dependency Ratio

Jefferson Sex Ratio

Female10,01848.74%
Male10,53751.26%

Jefferson Population by Age

Jefferson Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,0512.5590.49.6
Married4,7213.1596.33.7
Non Family2,5691.2579.820.2
Female5353.1784.115.9
Male2263.191000

3.12

Average Family Size

2.55

Average Household Size

90.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Jefferson Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade5973.96%
Associates Degree9276.16%
Bachelors Degree4,08427.12%
Graduate Degree2,20414.64%
High School Graduate4,05326.92%
Less Than 9th Grade1601.06%
Some College3,03220.14%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Jefferson Educational Attainment by Sex (over 25)

Jefferson Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White12,45311,8444,992
Hispanic1,2161,158394
2+ Races1,0631,026417
Asian530460436
Black474472274
Other Race16412546
Islander131313
Native American770

The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among islander people with a rate of 100%.

Jefferson Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$92,678$100,991$69,957
Graduate Degree$95,817$99,338$94,286
High School Graduate$56,123$68,277$16,881
Less Than 9th Grade$117,279$148,657$0
Overall$76,522$87,799$62,674
Some College$66,011$83,407$51,964

$76,522

Average Earnings

$87,799

Average Male

$62,674

Average Female

Jefferson Earnings by Educational Attainment

Jefferson Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Jefferson Language

86.63% of Jefferson residents speak only English, while 13.37% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 7.76% of the population.

Jefferson Language

Jefferson Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White16,3511,0156.21%
Hispanic1,7131538.93%
Multiple1,6061408.72%
Black749253.34%
Other243145.76%

5.86%

Overall Poverty Rate

6.23%

Male Poverty Rate

5.47%

Female Poverty Rate

Poverty in Jefferson

The race most likely to be in poverty in Jefferson is Hispanic, with 8.93% below the poverty level.

The race least likely to be in poverty in Jefferson is Black, with 3.34% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.37%. Among those working part-time, it was 7.86%, and for those that did not work, the poverty rate was 14.43%.

Jefferson Poverty

rate

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Rate
Poverty
Some College8.74%
Less Than 9th Grade6.34%
Bachelors or Greater5.76%
High School4.27%

Jefferson Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed23.01%
Female Unemployed17.01%
Female Employed2.92%
Male Employed1.38%

Jefferson Poverty Rate by Employment Status and Sex

Jefferson Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$142,000$164,617
Households$120,060$138,484
Married Families$153,380$-999,999,999
Non Families$69,767$81,166

mean

median

Income by Household Type

Jefferson Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

59.7%

Overall Marriage Rate

59.3%

Male Marriage Rate

60.1%

Female Marriage Rate

Jefferson Married by Age and Sex

male

female

Jefferson Marriage

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

Jefferson Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Jefferson Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,023

Number of Veterans

1,002

Male Veterans

21

Female Veterans

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War
Veterans
Vietnam370
Second Gulf War250
First Gulf War234
Korea43
World War II0

Jefferson Veterans by War

count

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Age Group
Veterans
35 to 54276
65 to 74271
75+236
55 to 64188
18 to 3452

Jefferson Veterans by Age

count

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Name
Veterans
% of Total
White9076.52%
Hispanic997.57%
Black6511.42%
Other Race3219.51%
2+ Races191.55%

Jefferson Veterans by Race

Jefferson Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.82%

Veteran Poverty Rate

23.95%

Veteran Disability Rate

Jefferson Veterans by Education

LaborForceParticipation

68.9%

Labor Force Participation

66%

Employment Rate

4%

Unemployment Rate

Jefferson Employment by Age

LaborForceParticipation

Jefferson Employment by Race

LaborForceParticipation

Jefferson Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

68.07%

Born in Jefferson

90.33%

Native Born

9.67%

Foreign Born

1.8%

Non Citizen

7.88%

Naturalized

Place of Birth

90.33% of Jefferson residents were born in the United States, with 68.07% having been born in New Jersey. 1.8% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Jefferson Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202920,398-17-0.08%
202820,415-17-0.08%
202720,432-17-0.08%
202620,449-17-0.08%
202520,466-17-0.08%
202420,483-17-0.08%
202320,500-17-0.08%
202220,517-17-0.08%
202120,534500.24%
202020,484-219-1.06%
201920,703-241-1.15%
201820,944-154-0.73%
201721,098-82-0.39%
201621,180-65-0.31%
201521,245-45-0.21%
201421,290-82-0.38%
201321,372-7-0.03%
201221,379150.07%
201121,364650.31%
201021,29900%

Jefferson Population by Year