What are the schools like in Third Lake, IL?

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

What is the median household income in Third Lake?

The median household income in Third Lake, IL is $152,593 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 3.7%.

What is the weather like in Third Lake, IL?

Third Lake has an average high temperature of 29.9°F in January and 82.3°F in July. Annual precipitation averages 39.9 inches and annual snowfall averages 43.4 inches.

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

Q: Is Third Lake, IL affordable or expensive?

Third Lake's cost of living index is 103, where 100 represents the national average. This means Third Lake is 3% more expensive than the average US city. The median home value is $318,400 and the median rent is N/A per month.

Q: What is the crime rate in Third Lake, IL?

Third Lake has a violent crime rate of 116.6 incidents per 100,000 residents and a property crime rate of 769.4 per 100,000. The national average violent crime rate is approximately 380 per 100,000.

Is Third Lake, IL a Good Place to Live?

Third Lake is a small town of 1,214 in Illinois, with a median household income of $152,593 and a 3.7% unemployment rate. Its cost of living index is 103 (US average = 100), which is 3% above the national average.

Strengths: Third Lake stands out for a well-educated population.

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

All Third Lake 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: 102.6

Third Lake's overall cost of living index is 102.6, where 100 represents the US national average. Living in Third Lake costs roughly 3% more than the average American city.

Metric	Third Lake, IL	National Avg
Median Home Value	$318,400	$244,900
Median Monthly Rent	N/A	$1,163
Homeownership Rate	99.3%	65.9%
Median Household Income	$152,593	$74,755

Crime & Safety

Very Safe

Third Lake's violent crime rate is 116.6 per 100,000 residents — 69% lower than the national average of ~380 per 100,000.

Violent Crime

116.6 /100k

Property Crime

769.4 /100k

Vertical marker = national average. Source: FBI UCR Program.

Schools & Education

Metric	Third Lake, 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	68.0%	35.4%
High School Diploma or Higher	99.0%	91.1%

Weather & Climate

Third Lake sees average highs of 29.9°F in January and 82.3°F in July, with 39.9 inches of annual precipitation and 43.4 inches of snow per year.

Metric	Third Lake, IL
Average High — January	29.9°F
Average High — July	82.3°F
Annual Precipitation	39.9"
Annual Snowfall	43.4"

Demographics

Metric	Third Lake, IL	National Avg
Population	1,214	—
Median Age	50.3	38.9
Unemployment Rate	3.7%	3.7%
Avg Commute Time	28.1 min	26 min
White (non-Hispanic)	91.6%	59.3%
Black or African American	0.0%	13.6%
Hispanic or Latino	2.2%	18.9%
Asian	1.6%	6.3%
Under 18	17.4%	22.2%
65 and over	23.0%	16.8%

Nearby Cities

Gages Lake, IL 2 mi Grandwood Park, IL 2 mi Grayslake, IL 2 mi Venetian Village, IL 3 mi Lindenhurst, IL 3 mi

Third Lake vs Other Cities

Third Lake, IL vs Gages Lake, IL Third Lake, IL vs Grandwood Park, IL Third Lake, IL vs Grayslake, IL Third Lake, IL vs Venetian Village, IL Third Lake, IL vs Lindenhurst, IL

Frequently Asked Questions

Is Third Lake, IL affordable or expensive?

Third Lake's cost of living index is 103, where 100 is the national average. That puts Third Lake roughly 3% above the national average in cost. The median home price is $318,400 and median rent is N/A/month.

What is the crime rate in Third Lake, IL?

Third Lake's violent crime rate is 116.6 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 769.4 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.

What are the schools like in Third Lake?

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

Is Third Lake, IL a good place to live?

Third Lake, IL has a population of 1,214, a median household income of $152,593, and an unemployment rate of 3.7%. 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 Third Lake?

Third Lake averages 29.9°F in January and 82.3°F in July. Annual rainfall is 39.9 inches with about 43.4 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).

What is the population of Third Lake?

The population of Third Lake, Illinois is 1,214 with a median age of 50.3. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in Third Lake?

Key numbers for living in Third Lake: cost of living index 103 (100 = US average), median home $318,400, median household income $152,593, crime index 33 (100 = US average, lower is safer). Whether these are benefits or drawbacks depends on where you're coming from — compare Third Lake side by side with your current city to see the trade-offs.