Trenton, IL Profile: Facts, Map & Data


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Trenton, Illinois - Basic Facts

The City of Trenton had a population of 2,767 as of July 1, 2016. Trenton ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Illinois. See peer rankings below.

The primary coordinate point for Trenton is located at latitude 38.607 and longitude -89.6805 in Clinton County. The formal boundaries for the City of Trenton (see map below) encompass a land area of 1.32 sq. miles and a water area of 0 sq. miles. Clinton County is in the Central time zone (GMT -6). The elevation is 495 feet.

The City of Trenton (GNIS ID: 2397049) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The City of Trenton is located within Township of Sugar Creek, a minor civil division (MCD) of Clinton County.

Beneath the boundary map are tables with Trenton population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Neighborhood Data

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City of Trenton, IL Boundary Map

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Boundary Maps: Township of Sugar Creek | Clinton County | Illinois Counties

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Trenton, IL Data & Demographics (As of July 1, 2016)


Total Population 2,767
Population in Households 2,767
Population in Familes 2,182
Population in Group Qrtrs 0
Population Density1 2,102
Diversity Index2 10


Total Households 1,174
Average Household Size 2.36
Family Households 748
Average Family Size 3


Total Housing Units 1,258 (100%)
Owner Occupied HU 866 (68.8%)
Renter Occupied HU 307 (24.4%)
Vacant Housing Units 84 ( 6.7%)
Median Home Value $135,468
Average Home Value $166,368


Median Household Income $60,662
Average Household Income $71,877
Per Capita Income $30,274
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.3% 0.33%
Households 0.15% 0.2%
Families 0.24% 0.05%
Median Household Income   1.83%
Per Capita Income   1.23%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Trenton, IL - Peer Comparisons by Rank and Percentile

The table below compares Trenton to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 452 67th
Population Density1 # 250 82nd
Diversity Index2 # 856 38th
Median Household Income # 380 72nd
Per Capita Income # 350 74th

Additional comparisons and rankings can be made with a VERY EASY TO USE Illinois Census Data Comparison Tool.

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