What are the schools like in Eureka, IL?

Eureka is served primarily by Eureka CUD 140. The district operates 3 elementary schools, 1 middle schools, and 1 high schools with a student-to-teacher ratio of 15.3:1.

What is the median household income in Eureka?

The median household income in Eureka, IL is $48,250 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 7.6%.

What is the weather like in Eureka, IL?

Eureka has an average high temperature of 33.2°F in January and 85.5°F in July. Annual precipitation averages 37.9 inches and annual snowfall averages 21.2 inches.

Eureka, IL Cost of Living, Crime & Is It a Good Place to Live? (2026)

Q: Is Eureka, IL affordable or expensive?

Eureka's cost of living index is 89, where 100 represents the national average. This means Eureka is 11% less expensive than the average US city. The median home value is $150,700 and the median rent is $844 per month.

Q: What is the crime rate in Eureka, IL?

Crime rate data for Eureka is not currently available from the FBI's reported data.

Is Eureka, IL a Good Place to Live?

Eureka is a small town of 5,504 in Illinois, with a median household income of $48,250 and a 7.6% unemployment rate. Its cost of living index is 89 (US average = 100), which is 11% below the national average.

Strengths: Eureka stands out for an affordable cost of living, below-average home prices, solid school ratings (B).

Trade-offs: Potential downsides include an elevated unemployment rate. Whether Eureka is right for you depends on your priorities — the full breakdown is below.

All Eureka city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.

Cost of Living

Index: 88.6

Eureka's overall cost of living index is 88.6, where 100 represents the US national average. Living in Eureka costs roughly 11% less than the average American city.

Metric	Eureka, IL	National Avg
Median Home Value	$150,700	$244,900
Median Monthly Rent	$844	$1,163
Homeownership Rate	65.8%	65.9%
Median Household Income	$48,250	$74,755

Crime & Safety

Crime data for Eureka is not currently available from the FBI's Uniform Crime Reporting program. Not all local agencies report to the UCR each year.

Schools & Education

Eureka is served primarily by Eureka CUD 140. The student-to-teacher ratio is 15.3:1 (better than the national average of ~16:1).

Metric	Eureka, IL	National Avg
School District	Eureka CUD 140	—
Elementary Schools	3	—
Middle Schools	1	—
High Schools	1	—
Student/Teacher Ratio	15.3:1	16:1
Bachelor's Degree or Higher	31.2%	35.4%
High School Diploma or Higher	94.2%	91.1%

Weather & Climate

Eureka sees average highs of 33.2°F in January and 85.5°F in July, with 37.9 inches of annual precipitation and 21.2 inches of snow per year.

Metric	Eureka, IL
Average High — January	33.2°F
Average High — July	85.5°F
Annual Precipitation	37.9"
Annual Snowfall	21.2"

Demographics

Metric	Eureka, IL	National Avg
Population	5,504	—
Median Age	39.6	38.9
Unemployment Rate	7.6%	3.7%
Avg Commute Time	26.9 min	26 min
White (non-Hispanic)	91.2%	59.3%
Black or African American	1.7%	13.6%
Hispanic or Latino	4.4%	18.9%
Asian	0.4%	6.3%
Under 18	17.3%	22.2%
65 and over	20.0%	16.8%

Nearby Cities

Goodfield, IL 6 mi Deer Creek, IL 7 mi Roanoke, IL 7 mi Metamora, IL 7 mi Secor, IL 8 mi

ZIP Codes in Eureka

Eureka, IL is covered by 1 ZIP code:

61530

Eureka vs Other Cities

Eureka, IL vs Goodfield, IL Eureka, IL vs Deer Creek, IL Eureka, IL vs Roanoke, IL Eureka, IL vs Metamora, IL Eureka, IL vs Secor, IL

Frequently Asked Questions

Is Eureka, IL affordable or expensive?

Eureka's cost of living index is 89, where 100 is the national average. That makes Eureka roughly 11% less expensive than a typical US city — a meaningful affordability advantage. The median home price is $150,700 and median rent is $844/month.

What is the crime rate in Eureka, IL?

Crime data for Eureka is not available in the current FBI UCR reporting year. Not all jurisdictions submit data annually.

What are the schools like in Eureka?

Public schools in Eureka are operated by Eureka CUD 140. The district has 3 elementary, 1 middle, and 1 high schools. The student-to-teacher ratio is 15.3:1. 31.2% of adults 25+ hold a bachelor's degree or higher.

Is Eureka, IL a good place to live?

Eureka, IL has a population of 5,504, a median household income of $48,250, and an unemployment rate of 7.6%. It offers below-average costs of living, which stretches take-home pay further than in most American cities. Whether it's right for you depends on your priorities — use the compare tool above to stack it against another city you're considering.

What is the weather like in Eureka?

Eureka averages 33.2°F in January and 85.5°F in July. Annual rainfall is 37.9 inches with about 21.2 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).

What ZIP codes are in Eureka?

Eureka, IL is covered by 1 ZIP code: 61530.

What is the population of Eureka?

The population of Eureka, Illinois is 5,504 with a median age of 39.6. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in Eureka?

Key numbers for living in Eureka: cost of living index 89 (100 = US average), median home $150,700, median household income $48,250, schools rated B. Whether these are benefits or drawbacks depends on where you're coming from — compare Eureka side by side with your current city to see the trade-offs.