Eldorado ZIP Codes — Saline County, IL

There is one unique ZIP code in Eldorado, Illinois and it is 62930. Area code: 618.
1
ZIP codes
70.43
sq mi land
0.49
sq mi water
618
area code
Eldorado, IL ZIP code map

About Eldorado, IL

Eldorado, Illinois, is a charming city located in Saline County. With its small-town atmosphere, it offers residents a close-knit community feel. The city is known for its welcoming nature and rich history.

Location & geography

Eldorado is strategically located in southern Illinois, approximately 12 miles southeast of Harrisburg and about 19 miles northwest of the city of Marion. The terrain consists of rolling hills typical of the region, and the city spans a land area of 70.43 square miles, with a small water area of 0.49 square miles. This makes Eldorado a mix of scenic landscapes and community-focused areas.

Community & economy

The character of Eldorado is defined by its friendly residents and vibrant community events that bring people together. While historically linked to mining and agriculture, the city's economy has diversified into various small businesses and local services. Daily life in Eldorado often revolves around community gatherings, local parks, and the warmth of rural living.

Transportation

Eldorado is accessible via Illinois Route 142, which connects it to larger highways for easier travel. The nearest major airport is Williamson County Regional Airport, located approximately 22 miles to the south. Public transportation options are limited, making personal vehicles the preferred mode of transit for residents.

History

Eldorado was founded in the mid-19th century and has historically been associated with mining, particularly coal mining. Key events in its past include the establishment of key industries that supported local economics and the city's growth over time. Notably, the city has weathered various economic changes while maintaining its historical roots.

Did you know?

A surprising fact about Eldorado is that it's home to the Eldorado Festivals, which celebrate local culture and attract visitors from surrounding areas. The city also holds the distinction of being one of the few places in Illinois where you can experience both mining heritage and a close-knit community atmosphere.

ZIP codes for Eldorado, IL (1)
ZIP code City County Map
62930 Eldorado Saline View map

Demographics & statistics

5,630
Population
48.7
Median age
$51,814
Median household income
$39,533
Per capita income
$75,800
Median home value
$714
Median monthly rent
76.3%
Home ownership
20.4%
Poverty rate
4.0%
Unemployment
2,355
Housing units
17.9%
Bachelor's or higher

Age distribution

Male Female
102
Under 5
106
136
5–9
142
146
10–14
152
82
15–19
86
140
20–24
146
303
25–34
314
321
35–44
333
347
45–54
359
259
55–59
269
288
60–64
298
367
65–74
381
183
75–84
189
89
85+
92
← Male
Female →

Age summary

GroupCount%
Under 1888115.6%
18 and over4,74984.4%
65 and over1,30123.1%
Median age48.7 years

Race & ethnicity

White 92.7%
Two or more races 2.6%
Hispanic or Latino 2%
Other race 1.3%
Asian 0.9%
Black or African American 0.3%
American Indian / Alaska Native 0.1%
GroupCount%
White5,32692.7%
Two or more races1512.6%
Hispanic or Latino1142%
Other race771.3%
Asian530.9%
Black or African American180.3%
American Indian / Alaska Native50.1%

Household income

Under $10k 5.6%
$10k–$15k 9.6%
$15k–$25k 12.4%
$25k–$35k 10.7%
$35k–$50k 8.7%
$50k–$75k 18.4%
$75k–$100k 10.7%
$100k–$150k 12.4%
$150k–$200k 3.5%
$200k+ 8.0%
Range% of households
Under $10k5.6%
$10k–$15k9.6%
$15k–$25k12.4%
$25k–$35k10.7%
$35k–$50k8.7%
$50k–$75k18.4%
$75k–$100k10.7%
$100k–$150k12.4%
$150k–$200k3.5%
$200k+8.0%
Median income$51,814

Housing

Home values

Under $50k 34.0%
$50k–$100k 24.0%
$100k–$150k 16.2%
$150k–$200k 8.8%
$200k–$300k 12.1%
$300k–$500k 4.0%
$500k–$1M 0.7%

Housing overview

MetricValue
Median home value$75,800
Median rent / month$714
Owner occupied76.3%
Renter occupied23.7%
Vacant11.0%
Single-family detached75.9%
Large apartment buildings0.2%
Mobile homes10.8%
Median rooms5.3
Avg household size (owned)2.26

Year built

Era%
2020 or later0.0%
2010–20193.6%
2000–20094.7%
1990–19995.9%
1980–198912.6%
1970–197919.6%
1960–196911.4%
1950–195913.2%
1940–194911.4%
1939 or earlier17.7%

Bedrooms

Size% of units
No bedroom (studio)0.7%
1 bedroom12.8%
2 bedrooms38.9%
3 bedrooms37.1%
4 bedrooms9.4%
5+ bedrooms1.1%

Vehicles per household

Vehicles% of households
No vehicle6.9%
1 vehicle36.9%
2 vehicles33.2%
3 or more23.0%

Heating fuel

Fuel type%
Utility gas63.2%
Electricity30.4%
Propane / LP gas5.8%
Wood0.2%

Households & families

Household typeCount%
Married-couple family1,22146.0%
Cohabiting couple1887.1%
Male householder, no spouse46417.5%
Female householder, no spouse78329.5%
Households with children under 1859222.3%
Households with seniors (65+)98036.9%
Average household size2.07

Marital status

StatusMaleFemale
Never married22.8%17.0%
Married56.6%48.6%
Separated4.2%2.0%
Widowed2.5%20.3%
Divorced14.0%12.1%

Education

Less than 9th grade 3.8%
Some HS, no diploma 6.7%
HS graduate 33.1%
Some college, no degree 26.1%
Associate's degree 12.5%
Bachelor's degree 12.5%
Graduate / professional 5.4%
Metric%
HS diploma or higher89.5%
Bachelor's or higher17.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool363.7%
Kindergarten434.4%
Elementary school51752.4%
High school12012.2%
College / grad school27027.4%

Employment

Industry of employment

Education & healthcare 37.8%
Manufacturing 12.6%
Retail trade 10.4%
Construction 8.2%
Agriculture & mining 5.8%
Professional & management 5.3%
Other services 4.8%
Finance & real estate 4.1%
Transportation & utilities 3.4%
Arts, food & hospitality 3.0%
Public administration 2.8%
Information 1.9%

Occupation

Category%
Management, business & arts30.0%
Service24.8%
Sales & office15.3%
Natural resources & construction16.0%
Production & transportation13.9%

Employment type

Type%
Private sector72.3%
Government18.5%
Self-employed9.2%
Unpaid family workers0.0%

Commute

Method%
Drive alone78.4%
Carpool13.4%
Public transit0.1%
Walk2.2%
Other means0.0%
Avg commute (minutes)25.1

Poverty

All people 20.4%
Under 18 years 20.5%
18 and over 20.4%
Married-couple families 6.6%
Female-led households 71.1%

Income support

Source% of households
Social Security45.9%
Retirement income24.4%
Supplemental Security7.3%
Cash public assistance2.4%
Food stamps / SNAP31.1%

Health indicators

Condition%
High blood pressure39.2%
High cholesterol36.5%
Heart disease9.2%
Stroke4.6%
Asthma11.0%
Arthritis32.7%
Kidney disease4.1%
Pulmonary disease11.2%
Cancer7.9%
Behavior / access%
Binge drinking13.7%
No physical activity31.2%
Less than 7 hrs sleep33.3%
Fair or poor health20.5%
Poor mental health14.5%
Poor physical health13.8%
No health insurance12.2%
Visited doctor (checkup)77.5%
Visited dentist56.5%
Cholesterol screening88.2%
Teeth loss21.0%

Veterans & disability

VeteransCount%
Civilian veterans2645.6%
Disability%
Any disability26.2%
Under 1813.6%
18–64 years23.4%
65 and over42.7%

Health insurance coverage

Type%
Private insurance61.0%
Public insurance49.5%
Uninsured under 191.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only5,42296.3%
Spanish971.8%
Other Indo-European651.2%
Asian & Pacific Islander00.0%
Other languages320.6%

Place of birth & citizenship

OriginCount%
Native born (US)5,49497.6%
Born in same state5,44896.8%
Born in different state3,89869.2%
Foreign born460.8%
Naturalized citizen1362.4%
Not a US citizen4331.6%

Ancestry

AncestryCount%
Italian98417.5%
French5479.7%
Arab2764.9%
AncestryCount%
Norwegian180.3%
English110.2%

Technology access

Metric% of households
Computer access47.2%
Internet access79.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does Eldorado, IL have?
Eldorado, IL has one ZIP code: 62930. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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