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Eldorado

A city of 3,771 people in Illinois
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Around town

The places and views that make it Eldorado

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Outdoors in Eldorado

Parks & trails →
Conserved land0.5%9 of 1,622 acres
Trails0.4 mi0.2 mi per sq mi
Parks & preserves12 conserved acres per 1,000 residents

Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

Old square piano in a home at Eldorado, Illinois1937
From Eldorado’s story

Old square piano in a home at Eldorado, Illinois, 1937

Photo · Library of Congress

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Know Eldorado

The town at a glance, and the guide to how things work

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About Eldorado

City in Illinois, United States
3,743Population
2.5 sq miArea
390 ftElevation

Eldorado () is a city in Saline County, Illinois, United States. As of the 2020 census, Eldorado had a population of 3,743. The population peaked in 1980 at 5,198. Although the city's name is spelled as if it were Spanish, the name was originally "Eldereado" or "Elder-Reado" (depending on the source)—a combination of the last names of the town's two founders, Judge Samuel Elder, his son William, grandson Francis Marion, and neighbor Joseph Read, and his brother William. According to legend, a signpainter for the railroad painted the name "Eldorado" on the train depot; as a result, the spelling and pronunciation (el-do-RAY-doh) was forever changed. Eldorado is included in the Illinois–Indian…

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code62930
Area code618
Living in Eldorado

Housing in Eldorado

$64K▼ 9.2% in a year Typical home value · Zillow

The typical Eldorado home is worth about $64,000, down 9.2% in a year, 78% below the Illinois typical home.

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Eldorado

C

Safety Grade C

Eldorado reports more crime per resident than most U.S. towns we grade: about 73% report less.

Violent crime per 1,000
Eldorado 7.6
Illinois 2.6
U.S. 3.3
Property crime per 1,000
Eldorado 17.2
Illinois 15.6
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Eldorado

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About one in 5 of Eldorado’s working residents works in town. The top destinations are Harrisburg (13%), Marion (6%) and Mount Vernon (4%). Half commute less than 26 miles.

Harrisburg
13%
Marion
6%
Mount Vernon
4%
East Eldorado
3%
Census LEHD 2023 · ACSWork & commute in Eldorado →

Health in Eldorado

D

Health Grade D

Healthier than 12% of U.S. towns on seven CDC estimates, and 63% of towns with similar incomes.

Compared with Illinois

19worse than IL

of 32 measures CDC estimates. The other 13 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Ferrell Hospital Community FoundationsEldorado · 0.2 mi · ER · rural critical access
Eldorado Rural Health ClinicEldorado · 0.7 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Eldorado · CMS · HRSAHealth in Eldorado →

Natural hazards in Eldorado

81
Very high

Expected storm and flood damage is higher than in 81% of U.S. communities.

🏚️ Earthquakes🌊 Inland flooding🌪️ Tornadoes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Eldorado →

Climate in Eldorado

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Eldorado has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 88°, a January night drops to 25°, and about 8 inches of snow falls in a normal winter.

45° / 27°Winter
67° / 46°Spring
87° / 66°Summer
69° / 47°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Eldorado →

Eldorado’s library

Library details →
Eldorado Memorial Public Library District1001 Grant Street · part of Eldorado Memorial Public Library District
52 hrs a week
IMLS Public Libraries Survey · FY2024Eldorado Memorial Public Library District →

Famous people from Eldorado

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Where Eldorado is

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Locator map of Eldorado
Wikimedia Commons · Map: DemocraticLuntz · DemocraticLuntz at English Wikipedia · CC BY-SA 4.0

Location map

How things work in Eldorado

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We left the porch light on

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01