Eureka ZIP Codes — Woodford County, IL

There is one unique ZIP code in Eureka, Illinois and it is 61530. Area code: 309.
1
ZIP codes
63.74
sq mi land
0.08
sq mi water
309
area code
Eureka, IL ZIP code map

About Eureka, IL

Eureka, Illinois, nestled in Woodford County, is a charming small town that offers a blend of rich history and modern amenities. It is characterized by its close-knit community and picturesque landscapes, making it a welcoming place for residents and visitors alike. As part of the Peoria metropolitan area, Eureka serves as a quaint retreat from the hustle and bustle of nearby urban centers.

Location & geography

Eureka is strategically located in central Illinois, providing easy access to several neighboring cities. Just to the north, the city of Bloomington is approximately 20 miles away, while Peoria lies about 21 miles to the southwest. The region encompasses a land area of 63.74 square miles, accompanied by a small water area of 0.08 square miles, showcasing a primarily flat terrain ideal for agriculture.

Community & economy

The character of Eureka is defined by its friendly residents and a community spirit that thrives on local events and gatherings. Agriculture plays a vital role in the local economy, with various industries contributing to the town's sustainability. Daily life in Eureka involves engaging with local businesses, participating in community activities, and enjoying the tranquil environment that defines this quintessential Midwestern town.

Transportation

Eureka is conveniently accessible via several major highways, including U.S. Route 24, which connects the town to larger urban areas. The nearest airport for regional air travel is Peoria International Airport, located approximately 25 miles away. While there is no public transit system within Eureka, the town's infrastructure supports easy navigation for drivers and cyclists.

History

Eureka was established in the early 1850s, starting as a railroad town and quickly developing a vibrant community. Key industries during its early days included agriculture and rail transport, which continue to play a significant role today. Notably, Eureka is home to Eureka College, founded in 1855, which adds an educational presence to the town's historical narrative.

Did you know?

One little-known fact about Eureka is that it was named after the Greek word for 'I have found it,' reflecting the hope and optimism of its early settlers. Additionally, the town is known for its strong connections to the history of the Illinois Railway.

ZIP codes for Eureka, IL (1)
ZIP code City County Map
61530 Eureka Woodford View map

Demographics & statistics

6,614
Population
39.1
Median age
$62,009
Median household income
$39,801
Per capita income
$162,600
Median home value
$844
Median monthly rent
69.0%
Home ownership
10.9%
Poverty rate
6.4%
Unemployment
1,967
Housing units
35.2%
Bachelor's or higher

Age distribution

Male Female
188
Under 5
213
219
5–9
247
168
10–14
190
125
15–19
141
374
20–24
423
337
25–34
380
338
35–44
382
337
45–54
381
188
55–59
213
215
60–64
243
236
65–74
267
216
75–84
243
164
85+
186
← Male
Female →

Age summary

GroupCount%
Under 181,28219.4%
18 and over5,33280.6%
65 and over1,31219.8%
Median age39.1 years

Race & ethnicity

White 88.7%
Hispanic or Latino 3.5%
Other race 3.4%
Two or more races 2.3%
Black or African American 1.8%
Asian 0.3%
GroupCount%
White6,08288.7%
Hispanic or Latino2403.5%
Other race2313.4%
Two or more races1612.3%
Black or African American1201.8%
Asian200.3%

Household income

Under $10k 3.8%
$10k–$15k 3.7%
$15k–$25k 16.0%
$25k–$35k 5.9%
$35k–$50k 14.7%
$50k–$75k 16.4%
$75k–$100k 10.9%
$100k–$150k 14.7%
$150k–$200k 4.8%
$200k+ 9.0%
Range% of households
Under $10k3.8%
$10k–$15k3.7%
$15k–$25k16.0%
$25k–$35k5.9%
$35k–$50k14.7%
$50k–$75k16.4%
$75k–$100k10.9%
$100k–$150k14.7%
$150k–$200k4.8%
$200k+9.0%
Median income$62,009

Housing

Home values

Under $50k 7.4%
$50k–$100k 8.1%
$100k–$150k 26.0%
$150k–$200k 22.9%
$200k–$300k 22.5%
$300k–$500k 11.5%
$500k–$1M 0.5%
$1M+ 1.1%

Housing overview

MetricValue
Median home value$162,600
Median rent / month$844
Owner occupied69.0%
Renter occupied31.0%
Vacant3.0%
Single-family detached75.5%
Large apartment buildings3.8%
Mobile homes3.6%
Median rooms6.1
Avg household size (owned)2.33

Year built

Era%
2020 or later0.0%
2010–20194.1%
2000–20094.7%
1990–19999.1%
1980–19899.4%
1970–197919.9%
1960–19696.1%
1950–195922.5%
1940–19496.5%
1939 or earlier17.7%

Bedrooms

Size% of units
No bedroom (studio)1.3%
1 bedroom14.0%
2 bedrooms17.8%
3 bedrooms46.4%
4 bedrooms13.3%
5+ bedrooms7.2%

Vehicles per household

Vehicles% of households
No vehicle6.7%
1 vehicle32.1%
2 vehicles41.0%
3 or more20.2%

Heating fuel

Fuel type%
Utility gas71.6%
Electricity17.5%
Propane / LP gas5.5%
Wood0.5%
No fuel used3.4%

Households & families

Household typeCount%
Married-couple family1,51455.5%
Cohabiting couple1274.7%
Male householder, no spouse29911.0%
Female householder, no spouse78928.9%
Households with children under 1868225.0%
Households with seniors (65+)83530.6%
Average household size2.21

Marital status

StatusMaleFemale
Never married27.6%17.4%
Married61.4%53.7%
Separated0.0%0.0%
Widowed2.7%16.2%
Divorced8.3%12.6%

Education

Less than 9th grade 1.3%
Some HS, no diploma 3.5%
HS graduate 29.1%
Some college, no degree 18.7%
Associate's degree 12.2%
Bachelor's degree 22.3%
Graduate / professional 12.9%
Metric%
HS diploma or higher95.2%
Bachelor's or higher35.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1278.0%
Kindergarten503.2%
Elementary school70344.5%
High school815.1%
College / grad school62039.2%

Employment

Industry of employment

Education & healthcare 34.7%
Manufacturing 11.9%
Professional & management 10.2%
Retail trade 9.3%
Transportation & utilities 6.9%
Arts, food & hospitality 5.1%
Finance & real estate 4.6%
Construction 4.4%
Other services 3.9%
Wholesale trade 3.8%
Public administration 2.7%
Agriculture & mining 1.5%
Information 1.0%

Occupation

Category%
Management, business & arts47.6%
Service17.2%
Sales & office17.0%
Natural resources & construction2.0%
Production & transportation16.1%

Employment type

Type%
Private sector85.3%
Government12.0%
Self-employed2.7%
Unpaid family workers0.0%

Commute

Method%
Drive alone84.3%
Carpool5.7%
Public transit0.1%
Walk4.7%
Other means0.0%
Avg commute (minutes)25.0

Poverty

All people 10.9%
Under 18 years 3.9%
18 and over 12.7%
Married-couple families 6.9%
Female-led households 14.8%

Income support

Source% of households
Social Security33.2%
Retirement income29.1%
Supplemental Security2.7%
Cash public assistance1.2%
Food stamps / SNAP14.7%

Health indicators

Condition%
High blood pressure31.4%
High cholesterol30.3%
Heart disease6.6%
Stroke3.1%
Asthma9.7%
Arthritis26.3%
Kidney disease2.9%
Pulmonary disease6.7%
Cancer7.3%
Behavior / access%
Binge drinking15.4%
No physical activity23.2%
Less than 7 hrs sleep30.4%
Fair or poor health13.1%
Poor mental health12.8%
Poor physical health9.3%
No health insurance9.4%
Visited doctor (checkup)77.4%
Visited dentist65.6%
Cholesterol screening88.7%
Teeth loss13.5%

Veterans & disability

VeteransCount%
Civilian veterans1943.7%
Disability%
Any disability12.8%
Under 186.9%
18–64 years6.8%
65 and over39.5%

Health insurance coverage

Type%
Private insurance74.6%
Public insurance34.5%
Uninsured under 197.7%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only6,21393.9%
Spanish250.4%
Other Indo-European250.4%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)6,55099.0%
Born in same state6,52898.7%
Born in different state5,34180.8%
Foreign born220.3%
Naturalized citizen641.0%
Not a US citizen4367.2%

Ancestry

AncestryCount%
Italian72310.9%
French72010.9%
Arab3325%
Polish1312%
AncestryCount%
English1302%
Dutch1171.8%
Irish70.1%
German10%

Technology access

Metric% of households
Computer access41.3%
Internet access93.5%

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

Frequently asked questions
What ZIP codes does Eureka, IL have?
Eureka, IL has one ZIP code: 61530. Each ZIP code serves a distinct delivery area within the city and surrounding region.
Need the complete Illinois ZIP code database? Download all IL ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →