What are the schools like in Petersburg, IL?

Petersburg is served primarily by Porta CUSD 202. The district operates 2 elementary schools, several middle schools, and 1 high schools with a student-to-teacher ratio of 12.6:1.

What is the median household income in Petersburg?

The median household income in Petersburg, IL is $70,762 according to the most recent US Census American Community Survey 5-year estimates. The unemployment rate is 3.4%.

What is the weather like in Petersburg, IL?

Petersburg has an average high temperature of 34.4°F in January and 85.5°F in July. Annual precipitation averages 37.6 inches and annual snowfall averages 15.2 inches.

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

Q: Is Petersburg, IL affordable or expensive?

Petersburg's cost of living index is 90, where 100 represents the national average. This means Petersburg is 10% less expensive than the average US city. The median home value is $176,900 and the median rent is $673 per month.

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

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

Is Petersburg, IL a Good Place to Live?

Petersburg is a small town of 2,426 in Illinois, with a median household income of $70,762 and a 3.4% unemployment rate. Its cost of living index is 90 (US average = 100), which is 10% below the national average.

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

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

All Petersburg 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: 90.5

Petersburg's overall cost of living index is 90.5, where 100 represents the US national average. Living in Petersburg costs roughly 10% less than the average American city.

Metric	Petersburg, IL	National Avg
Median Home Value	$176,900	$244,900
Median Monthly Rent	$673	$1,163
Homeownership Rate	58.5%	65.9%
Median Household Income	$70,762	$74,755

Crime & Safety

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

Schools & Education

Petersburg is served primarily by Porta CUSD 202. The student-to-teacher ratio is 12.6:1 (better than the national average of ~16:1).

Metric	Petersburg, IL	National Avg
School District	Porta CUSD 202	—
Elementary Schools	2	—
Middle Schools	N/A	—
High Schools	1	—
Student/Teacher Ratio	12.6:1	16:1
Bachelor's Degree or Higher	29.8%	35.4%
High School Diploma or Higher	89.6%	91.1%

Weather & Climate

Petersburg sees average highs of 34.4°F in January and 85.5°F in July, with 37.6 inches of annual precipitation and 15.2 inches of snow per year.

Metric	Petersburg, IL
Average High — January	34.4°F
Average High — July	85.5°F
Annual Precipitation	37.6"
Annual Snowfall	15.2"

Demographics

Metric	Petersburg, IL	National Avg
Population	2,426	—
Median Age	38.8	38.9
Unemployment Rate	3.4%	3.7%
Avg Commute Time	24.9 min	26 min
White (non-Hispanic)	95.4%	59.3%
Black or African American	0.5%	13.6%
Hispanic or Latino	0.0%	18.9%
Asian	0.5%	6.3%
Under 18	20.9%	22.2%
65 and over	17.4%	16.8%

Nearby Cities

Lake Petersburg, IL 2 mi Tallula, IL 7 mi Greenview, IL 7 mi Athens, IL 7 mi Oakford, IL 9 mi

Petersburg vs Other Cities

Petersburg, IL vs Lake Petersburg, IL Petersburg, IL vs Tallula, IL Petersburg, IL vs Greenview, IL Petersburg, IL vs Athens, IL Petersburg, IL vs Oakford, IL

Frequently Asked Questions

Is Petersburg, IL affordable or expensive?

Petersburg's cost of living index is 90, where 100 is the national average. That makes Petersburg roughly 10% less expensive than a typical US city — a meaningful affordability advantage. The median home price is $176,900 and median rent is $673/month.

What is the crime rate in Petersburg, IL?

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

What are the schools like in Petersburg?

Public schools in Petersburg are operated by Porta CUSD 202. The district has 2 elementary, several middle, and 1 high schools. The student-to-teacher ratio is 12.6:1. 29.8% of adults 25+ hold a bachelor's degree or higher.

Is Petersburg, IL a good place to live?

Petersburg, IL has a population of 2,426, a median household income of $70,762, and an unemployment rate of 3.4%. 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 Petersburg?

Petersburg averages 34.4°F in January and 85.5°F in July. Annual rainfall is 37.6 inches with about 15.2 inches of snow per year. Based on NOAA 30-year climate normals (1991–2020).

What is the population of Petersburg?

The population of Petersburg, Illinois is 2,426 with a median age of 38.8. Source: US Census ACS 5-Year Estimates.

What are the pros and cons of living in Petersburg?

Key numbers for living in Petersburg: cost of living index 90 (100 = US average), median home $176,900, median household income $70,762, schools rated B+. Whether these are benefits or drawbacks depends on where you're coming from — compare Petersburg side by side with your current city to see the trade-offs.