Trenton, Illinois Population 2021

2,550
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Trenton is a city located in Clinton County Illinois. With a 2020 population of 2,550, it is the 443rd largest city in Illinois and the 6773rd largest city in the United States . Trenton is currently declining at a rate of -0.78% annually and its population has decreased by -6.08% since the most recent census, which recorded a population of 2,715 in 2010. Trenton reached it's highest population of 2,727 in 2011. Spanning over 2 miles, Trenton has a population density of 1,513 people per square mile.

The average household income in Trenton is $82,696 with a poverty rate of 10.03%. The median rental costs in recent years comes to $724 per month, and the median house value is $143,400. The median age in Trenton is 42.6 years, 40.4 years for males, and 43.8 years for females.

Trenton Demographics

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

  • White: 98.32%
  • Other race: 0.54%
  • Black or African American: 0.46%
  • Asian: 0.34%
  • Two or more races: 0.34%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Trenton, Illinois is 2,550 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 2,610.The last official US Census in 2010 recorded the population at 2,715.

Trenton, Illinois Population 2021

Population by Race

Race Population Percentage
White2,57098.32%
Some Other Race140.54%
Black or African American120.46%
Two or More Races90.34%
Asian90.34%
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Trenton Population by Race

Trenton Population Pyramid $2021

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Trenton Median Age

42.6


Total

40.4


Male

43.8


Female

Trenton Adults

There are 2,020 adults, (579 of whom are seniors) in Trenton.

Trenton Age Dependency

81.4

Age Dependency Ratio

40.2

Old Age Dependency Ratio

41.2

Child Dependency Ratio

Trenton Sex Ratio

Female

1,435

54.90%

Male

1,179

45.10%

Trenton Population by Age

Trenton Renter vs Owner Occupied by Household Type

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Trenton Household Types

Type Owner Renter
Married89.1%10.9%
All71%29%
Non Family58.2%41.8%
Male56.1%43.9%
Female47.5%52.5%

71.0%

Rate of Home Ownership

Trenton Households and Families

Type Count Average Size Owned
All1,1002.3671
Married5033.0789.1
Non Family4111.0958.2
Female1203.1547.5
Male663.4856.1

2.96

Average Family Size

2.36

Average Household Size

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Trenton Households by Type

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Education Attained Count Percentage
Less Than 9th Grade482.62%
9th to 12th Grade754.10%
High School Graduate48626.54%
Some College41622.72%
Associates Degree26114.25%
Bachelors Degree43923.98%
Graduate Degree1065.79%
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Trenton Educational Attainment by Sex (over 25)

Trenton Educational Attainment by Race

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Race Total High School Bachelors
White1,7851,662528
Hispanic26269
Other Race1414
Black1212
Asian555
2+ Races333

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

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

Trenton Educational Attainment by Race

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Name Average Male Female
Overall$41,813$53,816$32,418
Less Than 9th Grade$16,827$$16,058
High School Graduate$27,750$$23,750
Some College$39,417$50,234$31,336
Bachelors Degree$60,000$68,438$49,167
Graduate Degree$72,000$128,333$70,750

$41,813

Average Earnings

$53,816

Average Male

$32,418

Average Female

Trenton Earnings by Educational Attainment

Trenton Language by Age

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Trenton Language

97.14% of Trenton residents speak only English, while 2.86% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.89% of the population.

Trenton Language

Trenton Poverty by Race

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Name Total In Poverty Poverty Rate
White2,5232258.92%
Hispanic502754.00%
Multiple9666.67%
Black12325.00%

10.03%

Overall Poverty Rate

6.80%

Male Poverty Rate

12.68%

Female Poverty Rate

Poverty in Trenton

The race most likely to be in poverty in Trenton is Multiple, with 66.67% below the poverty level.

The race least likely to be in poverty in Trenton is White, with 8.92% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.86%. Among those working part-time, it was 16.67%, and for those that did not work, the poverty rate was 17.16%.

Trenton Poverty

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Name Poverty
High School18.11%
Some College8.86%
Bachelors or Greater4.59%
Less Than 9th Grade4.07%

Trenton Poverty Rate by Education

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Rate Poverty
Female Unemployed40.00%
Female Employed5.15%
Male Employed3.70%
Male Unemployed0.00%

Trenton Poverty Rate by Employment Status and Sex

Trenton Income by Household Type

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Name Median Mean
Households$60,214$82,696
Families$80,655$98,338
Married Families$89,650-
Non Families$26,528$53,059
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Income by Household Type

Trenton Marital Status

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Marriage Rates

50.3%

Overall Marriage Rate

55.5%

Male Marriage Rate

46.3%

Female Marriage Rate

Trenton Married by Age and Sex

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Trenton Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

Trenton Marital Status by Race

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Trenton Marital Status

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235

Number of Veterans

212

Male Veterans

23

Female Veterans

War Veterans
Vietnam87
First Gulf War75
Second Gulf War40
Korea33
World War II18

Trenton Veterans by War

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Age Group Veterans
75+75
35 to 5465
65 to 7458
55 to 6428
18 to 349

Trenton Veterans by Age

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Name Veterans % of Total
White22111.22%
Black975.00%
Asian5100.00%

Trenton Veterans by Race

Trenton Veterans by Education

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9.36%

Veteran Poverty Rate

25.53%

Veteran Disability Rate

Trenton Veterans by Education

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62.2%

Labor Force Participation

60.5%

Employment Rate

1.9%

Unemployment Rate

Trenton Employment by Age

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Trenton Employment by Race

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Trenton Employment by Education

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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75.25%

Born in Trenton

99.20%

Native Born

0.80%

Foreign Born

0.65%

Non Citizen

0.15%

Naturalized

Place of Birth

99.20% of Trenton residents were born in the United States, with 75.25% having been born in Illinois. 0.65% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Trenton Place of Birth

Year Population Growth Annual Growth Rate
20212,550-20-0.78%
20202,570-20-0.77%
20192,590-20-0.77%
20182,610-11-0.42%
20172,621-10-0.38%
20162,631-21-0.79%
20152,652-8-0.30%
20142,660-17-0.64%
20132,677-29-1.07%
20122,706-21-0.77%
20112,72790.33%
20102,7181080.41%
20002,6101060.21%
19802,5040.00%

Trenton Population by Year