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Eureka, IL

City in Woodford County, Illinois.

Population

5,007

Land area

2.7sq mi

People per sq mi

1,830

ZIP codes

0

Eureka and its ZIP codes

Full map

Eureka at a glance

  • Eureka is about 8 times as dense as Illinois as a whole.
  • The median household income is $56,048, 33% below the Illinois median of $83,390.
  • A typical owner-occupied home is valued at $154,300 (41% below Illinois) and median rent is $692 a month.

Local data for Eureka, IL

Counts from official public data

Housing and community stats

Eureka, IL, American Community Survey 2020-2024

Full profile

Median household income

$56,048

Poverty rate

10.8%

Median home value

$154,300

Median rent

$692/mo

Homeownership

71.6%

Bachelor's or higher

32.2%

Median age

42.2

Average commute

31.7 min

Largest reported origins and ancestries: German Americans (1,995), Irish Americans (575), Dutch Americans (171).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, pay, income and spending are for Woodford County. PPP loans are for Eureka.

Details

Unemployment rate

3.0%

Aug 2026, -0.9 pts in a year

Average annual pay

$56,452

11,272 jobs, 2025

Income per person

$69,291

BEA, 2024

Federal spending

$243M

FY 2026, $6,325 per person

Woodford County economyFederal spending

How people get to work

Eureka, IL, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone77.0%
  • Carpooled7.3%
  • Public transit0.2%
  • Walked3.2%
  • Bicycle0.0%
  • Taxi, ride-hailing, motorcycle or other0.0%
  • Worked from home12.4%

Average one-way commute: 31.7 minutes for people who do not work from home.

Environment and hazard risk

Eureka, IL, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: cold wave

Storm events since 1996

509

Countywide, mostly thunderstorm wind

Flood insurance policies

103

0.6% of homes, county

July high / Jan low

86° / 17°F

37.5 inches of rain a year

Hazards, floods and storm historyCheck a flood zone

Health statistics

Share of adults in Eureka, IL, CDC PLACES estimates

All 40 measures

Obesity

37.2%

U.S. 33.3% +3.9 pts

Diabetes

10.9%

U.S. 12.1% -1.2 pts

Smoking

12.2%

U.S. 12.8% -0.6 pts

Uninsured (18-64)

6.5%

U.S. 11.1% -4.6 pts

Cities near Eureka

NameDistanceLand area (sq mi)
GoodfieldVillage6.3 mi1.7
Deer CreekVillage6.6 mi0.5
RoanokeVillage6.9 mi0.9
MetamoraVillage7.3 mi2.3
SecorVillage7.6 mi0.3
WashingtonCity7.8 mi8.6
CongervilleVillage7.8 mi1
Germantown HillsVillage11 mi1.7
LowpointCensus-designated place11 mi0.2
CarlockVillage12 mi0.4
Heritage LakeCensus-designated place12 mi1.1
MortonVillage12 mi12.9
BensonVillage12 mi0.2
MackinawVillage13 mi1.2
El PasoCity14 mi2.1
DanversVillage14 mi0.8

Frequently asked questions

What county is Eureka, IL in?
Eureka is in Woodford County, Illinois.
What is the population of Eureka, IL?
About 5,007 people live in Eureka, based on American Community Survey 5-year estimates.
What cities are near Eureka?
Nearby places include Goodfield (6.3 mi), Deer Creek (6.6 mi), Roanoke (6.9 mi), Metamora (7.3 mi), Secor (7.6 mi).

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023