What are the schools like in Mark, IL?

School district data for Mark is sourced from the National Center for Education Statistics (NCES).

What is the median household income in Mark?

The median household income in Mark, IL is $82,500 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 1.0%.

What is the weather like in Mark, IL?

Mark has an average high temperature of 32.8°F in January and 86.2°F in July. Annual precipitation averages 38.6 inches and annual snowfall averages 28.5 inches.

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

Q: Is Mark, IL affordable or expensive?

Mark's cost of living index is 94, where 100 represents the national average. This means Mark is 6% less expensive than the average US city. The median home value is $153,400 and the median rent is $814 per month.

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

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

Is Mark, IL a Good Place to Live?

Mark is a small town of 531 in Illinois, with a median household income of $82,500 and a 1.0% unemployment rate. Its cost of living index is 94 (US average = 100), which is 6% below the national average.

Strengths: Mark stands out for an affordable cost of living, below-average home prices, short average commutes.

Trade-offs: No major red flags stand out in the available data. Whether Mark is right for you depends on your priorities — the full breakdown is below.

All Mark 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: 93.7

Mark's overall cost of living index is 93.7, where 100 represents the US national average. Living in Mark costs roughly 6% less than the average American city.

Metric	Mark, IL	National Avg
Median Home Value	$153,400	$244,900
Median Monthly Rent	$814	$1,163
Homeownership Rate	76.9%	65.9%
Median Household Income	$82,500	$74,755

Crime & Safety

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

Schools & Education

Metric	Mark, IL	National Avg
School District	N/A	—
Elementary Schools	N/A	—
Middle Schools	N/A	—
High Schools	N/A	—
Student/Teacher Ratio	N/A	16:1
Bachelor's Degree or Higher	22.4%	35.4%
High School Diploma or Higher	97.1%	91.1%

Weather & Climate

Mark sees average highs of 32.8°F in January and 86.2°F in July, with 38.6 inches of annual precipitation and 28.5 inches of snow per year.

Metric	Mark, IL
Average High — January	32.8°F
Average High — July	86.2°F
Annual Precipitation	38.6"
Annual Snowfall	28.5"

Demographics

Metric	Mark, IL	National Avg
Population	531	—
Median Age	44.1	38.9
Unemployment Rate	1.0%	3.7%
Avg Commute Time	23.3 min	26 min
White (non-Hispanic)	100.0%	59.3%
Black or African American	0.0%	13.6%
Hispanic or Latino	0.0%	18.9%
Asian	0.0%	6.3%
Under 18	23.9%	22.2%
65 and over	17.9%	16.8%

Nearby Cities

Granville, IL 1 mi Hennepin, IL 3 mi Standard, IL 4 mi De Pue, IL 5 mi Spring Valley, IL 6 mi

ZIP Codes in Mark

Mark, IL is covered by 1 ZIP code:

61340

Mark vs Other Cities

Mark, IL vs Granville, IL Mark, IL vs Hennepin, IL Mark, IL vs Standard, IL Mark, IL vs De Pue, IL Mark, IL vs Spring Valley, IL

Frequently Asked Questions

Is Mark, IL affordable or expensive?

Mark's cost of living index is 94, where 100 is the national average. That makes Mark roughly 6% less expensive than a typical US city — a meaningful affordability advantage. The median home price is $153,400 and median rent is $814/month.

What is the crime rate in Mark, IL?

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

What are the schools like in Mark?

School district information is sourced from NCES Common Core of Data.

Is Mark, IL a good place to live?

Mark, IL has a population of 531, a median household income of $82,500, and an unemployment rate of 1.0%. 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 Mark?

Mark averages 32.8°F in January and 86.2°F in July. Annual rainfall is 38.6 inches with about 28.5 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).

What ZIP codes are in Mark?

Mark, IL is covered by 1 ZIP code: 61340.

What is the population of Mark?

The population of Mark, Illinois is 531 with a median age of 44.1. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in Mark?

Key numbers for living in Mark: cost of living index 94 (100 = US average), median home $153,400, median household income $82,500. Whether these are benefits or drawbacks depends on where you're coming from — compare Mark side by side with your current city to see the trade-offs.