Eldorado, IL Profile: Facts, Map & Data


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Eldorado, Illinois - Basic Facts

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The City of Eldorado had a population of 4,033 as of July 1, 2017.

The primary coordinate point for Eldorado is located at latitude 37.8117 and longitude -88.4416 in Saline County. The formal boundaries for the City of Eldorado (see map below) encompass a land area of 2.5 sq. miles and a water area of 0.04 sq. miles. Saline County is in the Central time zone (GMT -6). The elevation is 390 feet.

The City of Eldorado (GNIS ID: 2394639) 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 Eldorado is located within Township of East Eldorado, a minor civil division (MCD) of Saline County.

Beneath the boundary map are tables with Eldorado population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

Alternate Unofficial Names for Eldorado: El Dorado.

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City of Eldorado, IL Boundary Map

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Boundary Maps: Township of East Eldorado | Saline County | Illinois Counties

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Eldorado, IL Data & Demographics (As of July 1, 2017)


Total Population 4,033
Daytime Population: Workers 1,647
Daytime Population: Residents 2,746
Total Daytime Population (TDP) 4,393
Ratio TDP/Total Population1 1.09
Population in Households 3,882
Population in Familes 2,883
Population in Group Qrtrs 151
Population Density2 1,610
Diversity Index3 10


Median Household Income $35,183
Average Household Income $47,316
Per Capita Income $20,729


Total Housing Units 2,053 (100%)
Owner Occupied HU 1,088 (53.0%)
Renter Occupied HU 652 (31.8%)
Vacant Housing Units 313 (15.2%)
Median Home Value $48,614
Average Home Value $80,635


Total Households 1,740
Average Household Size 2.23
Family Households 998
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population -0.3% -0.29%
Households -0.44% -0.41%
Families -0.62% -0.55%
Median Household Income   1.2%
Per Capita Income   2.39%

Eldorado, IL - Peer Comparisons by Rank and Percentile

The table below compares Eldorado to the other 1,368 incorporated cities, towns and CDPs in Illinois by rank and percentile using July 1, 2017 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 # 379 72nd
Population Density # 416 70th
Diversity Index # 887 35th
Median Household Income # 1313 4th
Per Capita Income # 1236 10th

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

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