Eldorado Flag

Eldorado

County:
Saline County
County Seat:
No
Area (mi²):
2.503
State:
Illinois

Eldorado is a city located in Saline County, Illinois. Eldorado has a 2026 population of 3,508. Eldorado is currently declining at a rate of -1.04% annually and its population has decreased by -6% since the most recent census, which recorded a population of 3,732 in 2020.

The median household income in Eldorado is $37,154 with a poverty rate of 22.39%. The median age in Eldorado is 46.6 years: 44.3 years for males, and 51.2 years for females. For every 100 females there are 100.3 males.

3.5K
Total Population
1,401
Density (mi²)
-37 -1.04%
Growth

Eldorado Population

Eldorado Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,508-37-1.04%
20253,545-38-1.06%
20243,583-26-0.72%
20233,609-26-0.72%
20223,635-38-1.03%
20213,673-59-1.58%
20203,732-14-0.37%
20193,897-39-0.99%
20183,936-34-0.86%
20173,970-42-1.05%
20164,012-46-1.13%
20154,058-1-0.02%
20144,059-51-1.24%
20134,110-19-0.46%
20124,12900%
20114,12910.02%
20104,12860.15%
20004,534-2-0.04%
19904,536-662-12.74%
19805,1981,32234.11%
19703,8763038.48%
19603,573-927-20.6%
19504,500-391-7.99%
19404,8914099.13%
19304,482-522-10.43%
19205,0041,63848.66%
19103,36600%

Median Age

Overall: 46.6 years
Female: 51.2 years
Male: 44.3 years

Eldorado Adults

There are 3,106 adults, (885 of whom are seniors) in Eldorado.

Sex Ratio

Female: 1,883 (49.9%)
Male: 1,888 (50.1%)

Demographics

The racial composition of Eldorado includes 90.82% White, and smaller percentages for Asian, other race, Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,42590.82%
Two or more races2436.44%
Asian621.64%
Other race230.61%
Black or African American120.32%
Native American60.16%
Race
Population ↓
Percentage (of total)
Two or more races1734.59%
White130.34%
Race
Population ↓
Percentage (of total)
White3,41290.48%
Two or more races701.86%
Asian621.64%
Other race230.61%
Black or African American120.32%
Native American60.16%

Eldorado Marital Status

Economics and Income Statistics

Eldorado 's average per capita income is $37,113. Household income levels show a median of $37,154. The poverty rate stands at 22.39%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$63,561-
Families$61,136$120,056
Households$37,154$76,164
Non Families$19,681$30,000

$37,113

Average Income

$37,154

Median Household Income

22.39%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)