What are the schools like in St. John, IN?

St. John is served primarily by Lake Central School Corporation. The district operates 6 elementary schools, 3 middle schools, and 1 high schools with a student-to-teacher ratio of 17.4:1.

What is the median household income in St. John?

The median household income in St. John, IN is $123,799 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 3.5%.

What is the weather like in St. John, IN?

St. John has an average high temperature of 31.1°F in January and 83.9°F in July. Annual precipitation averages 39.5 inches and annual snowfall averages 26.6 inches.

St. John, IN Cost of Living, Crime & Is It a Good Place to Live? (2026)

Q: Is St. John, IN affordable or expensive?

St. John's cost of living index is 103, where 100 represents the national average. This means St. John is 3% more expensive than the average US city. The median home value is $346,900 and the median rent is $909 per month.

Q: What is the crime rate in St. John, IN?

St. John has a violent crime rate of 24.2 incidents per 100,000 residents and a property crime rate of 129.1 per 100,000. The national average violent crime rate is approximately 380 per 100,000.

Is St. John, IN a Good Place to Live?

St. John is a small city of 20,727 in Indiana, with a median household income of $123,799 and a 3.5% unemployment rate. Its cost of living index is 103 (US average = 100), which is 3% above the national average.

Strengths: St. John stands out for lower-than-average crime, solid school ratings (B+), a well-educated population.

Trade-offs: Potential downsides include longer commutes. Whether St. John is right for you depends on your priorities — the full breakdown is below.

All St. John 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

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

Metric	St. John, IN	National Avg
Median Home Value	$346,900	$244,900
Median Monthly Rent	$909	$1,163
Homeownership Rate	97.4%	65.9%
Median Household Income	$123,799	$74,755

Crime & Safety

Very Safe

St. John's violent crime rate is 24.2 per 100,000 residents — 94% lower than the national average of ~380 per 100,000.

Violent Crime

24.2 /100k

Property Crime

129.1 /100k

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

Schools & Education

St. John is served primarily by Lake Central School Corporation. The student-to-teacher ratio is 17.4:1 (slightly above the national average of ~16:1).

Metric	St. John, IN	National Avg
School District	Lake Central School Corporation	—
Elementary Schools	6	—
Middle Schools	3	—
High Schools	1	—
Student/Teacher Ratio	17.4:1	16:1
Bachelor's Degree or Higher	40.0%	35.4%
High School Diploma or Higher	94.8%	91.1%

Weather & Climate

St. John sees average highs of 31.1°F in January and 83.9°F in July, with 39.5 inches of annual precipitation and 26.6 inches of snow per year.

Metric	St. John, IN
Average High — January	31.1°F
Average High — July	83.9°F
Annual Precipitation	39.5"
Annual Snowfall	26.6"

Demographics

Metric	St. John, IN	National Avg
Population	20,727	—
Median Age	42.0	38.9
Unemployment Rate	3.5%	3.7%
Avg Commute Time	32.6 min	26 min
White (non-Hispanic)	85.7%	59.3%
Black or African American	2.8%	13.6%
Hispanic or Latino	8.1%	18.9%
Asian	1.7%	6.3%
Under 18	24.0%	22.2%
65 and over	17.4%	16.8%

Nearby Cities

Schererville, IN 3 mi Willowbrook, IL 3 mi Plum Valley, IL 4 mi Dyer, IN 4 mi Cedar Lake, IN 5 mi

ZIP Codes in St. John

St. John, IN is covered by 1 ZIP code:

46373

St. John vs Other Cities

St. John, IN vs Schererville, IN St. John, IN vs Willowbrook, IL St. John, IN vs Plum Valley, IL St. John, IN vs Dyer, IN St. John, IN vs Cedar Lake, IN

Frequently Asked Questions

Is St. John, IN affordable or expensive?

St. John's cost of living index is 103, where 100 is the national average. That puts St. John roughly 3% above the national average in cost. The median home price is $346,900 and median rent is $909/month.

What is the crime rate in St. John, IN?

St. John's violent crime rate is 24.2 per 100,000 residents — the national average is ~380 per 100,000. Property crime is 129.1 per 100,000 (national avg ~2,100). Data from the FBI Uniform Crime Reporting Program.

What are the schools like in St. John?

Public schools in St. John are operated by Lake Central School Corporation. The district has 6 elementary, 3 middle, and 1 high schools. The student-to-teacher ratio is 17.4:1. 40.0% of adults 25+ hold a bachelor's degree or higher.

Is St. John, IN a good place to live?

St. John, IN has a population of 20,727, a median household income of $123,799, and an unemployment rate of 3.5%. 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 St. John?

St. John averages 31.1°F in January and 83.9°F in July. Annual rainfall is 39.5 inches with about 26.6 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).

What ZIP codes are in St. John?

St. John, IN is covered by 1 ZIP code: 46373.

What is the population of St. John?

The population of St. John, Indiana is 20,727 with a median age of 42.0. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in St. John?

Key numbers for living in St. John: cost of living index 103 (100 = US average), median home $346,900, median household income $123,799, crime index 6 (100 = US average, lower is safer), schools rated B+. Whether these are benefits or drawbacks depends on where you're coming from — compare St. John side by side with your current city to see the trade-offs.