Median Income
$124,643
66% higher than US avg
Home Value
$336,200
19% higher than US avg
Violent Crime
0/100K
100% lower than US avg
Bachelor's+
40.6%
20% higher than US avg
Obesity Rate
37.6%
17% higher than US avg
Unemployment
1.6%
56% lower than US avg
Poverty Rate
0.0%
100% lower than US avg
How Lake Petersburg Compares to the U.S. Average (100% = U.S. avg)
People
Population769
Median Age59.0 yrs
Density425/mi²
Male / Female53% / 47%
Largest GroupWhite 92%
Veterans23.8%
Economy
A+
Median Income$124,643
Per Capita$67,272
Unemployment1.6%
Poverty0.0%
County GDP$15,669M
Commute35 min
Housing
A+
Home Value$336,200
Ownership100.0%
Zillow$202,729
Housing Units461
Rent Burden28.3%
Crime
C+
Violent0/100K
Property124/100K
Health
Obesity37.6%
Uninsured7.1%
Smoking14.3%
Depression24.2%
Heart Disease5.2%
Climate
Avg Temp52°F (11°C)
AQI43 (Good)
Rain38.4 in/yr
Sunny Days302/yr
Elevation594 ft (181 m)
Education
A
Bachelor's+40.6%
High School+98.9%
Graduate+12.8%
School Score5.36
Community
2024 VoteR 52% / D 47%
Commute35 min
Broadband100.0%
EV Stations1
Libraries13
Is Lake Petersburg a Good Place to Live?
Based on current data, Lake Petersburg receives an overall livability score of 4.2 out of 5.0, earning a grade of A. Key strengths include above-average household incomes, low unemployment, low crime rates, a highly educated population. Lake Petersburg stands out as an excellent place to live, with strong marks across most quality-of-life indicators.
Economy & Jobs
The median household income in Lake Petersburg is $124,643, which is significantly higher than the national average / 66% above $75,149. This places Lake Petersburg among higher-income communities. The job market is very strong with unemployment at just 1.6%. Only 0.0% of residents live below the poverty line, well below the national rate of 12.4%. Workers commute an average of 35 minutes.
Cost of Living & Housing
The median home value in Lake Petersburg is $336,200, 19% above the national median. At just 2.7x median income, home prices are very affordable relative to local earnings.
Safety & Crime
Lake Petersburg is a very safe community with a violent crime rate of 0 per 100,000 residents / well below the national average of 380. Property crime occurs at a rate of 124 per 100,000, 94% below the national average.
Education
Educational attainment is solid, with 40.6% holding a bachelor's degree or higher, near the national average. 98.9% have completed high school. Area schools have an average test score of 5.4/10.
Climate & Weather
Lake Petersburg experiences four distinct seasons with an average temperature of 52°F. Winters average 26°F in January while summers reach 75°F in July. With 302 sunny days per year, residents enjoy well above the national average of sunshine. Annual precipitation totals 38.4 inches. Air quality is rated Good with a median AQI of 43.
Lake Petersburg has a population of 769 with a density of 425 people per square mile, spread across 2.0 square miles. The median age is 59.0 years, 52% older than the national median of 38.9. The gender split is 46.9% female and 53.1% male. The city is predominantly White (92.2%). English is the primary language spoken at home by 92.7% of residents, while 7.3% speak Spanish. 23.8% of the population are veterans, above the national rate of 6.0%. 4.8% of residents have a disability (below the 13.0% national average). 95.3% have health insurance coverage.
Population
59.0yrs
Median Age
52% above US avg
Race & Ethnicity
Lake Petersburg vs U.S. Average
Language Spoken at Home
English Only
92.7%
18% above US avg
Spanish
7.3%
46% below US avg
Social Characteristics
Lake Petersburg vs U.S. Average
The median household income in Lake Petersburg is $124,643, which is 66% above the national average of $75,149. Per capita income is $67,272 (above the $39,052 national figure). The average weekly wage is $1,334. The unemployment rate is 1.6% (below the 3.6% US average). 0.0% of residents live below the poverty line, lower than the national rate of 12.4%. The area has 4,970 business establishments, including 544 restaurants. The cost of living index is 100, roughly in line with the national average. Workers commute an average of 35 minutes (longer than the 28-minute US average). 11.6% of workers work from home (below the 15.2% national rate).
Income: Lake Petersburg vs U.S.
Income
| Median HH Income | $124,643 |
| 66% above US avg |
| Per Capita Income | $67,272 |
| Avg Weekly Wage | $1,334 |
| IRS Avg AGI | $83,001 |
| Gini Index | 0.460 (0=equal, 1=unequal) |
Employment & Poverty
| Unemployment | 1.6% |
| 56% below US avg |
| Poverty Rate | 0.0% |
| 100% below US avg |
| Establishments (County) | 4,970 |
| County GDP | $15,669M |
Business (County)
| Restaurants | 544 |
| Healthcare | 489 |
| Retail | 672 |
| Manufacturing | 92 |
Tax & Cost of Living
| Property Tax (IRS) | $7,281 |
| 108% above US avg |
| Cost of Living | 100.00 (100=avg) |
| Effective Tax Rate | 2.17% |
Commute & Transportation
| Commute Time | 34.6 min |
| Drive Alone | 78.2% |
| Public Transit | 0.0% |
| Work from Home | 11.6% |
The median home value in Lake Petersburg is $336,200, 19% above the national median of $281,900. Zillow estimates the typical home value at $202,729, lower than the Census estimate. Fair market rent ranges from $854 for a one-bedroom to $1,063 for a two-bedroom apartment. 100.0% of housing units are owner-occupied (above the 65.4% national rate). There are 461 total housing units in the city. The median year a home was built is 1973. The average annual property tax is $7,281 (higher than the $3,500 national average). 28.3% of renters spend 30% or more of their income on housing. The home price-to-income ratio is 2.7x, well within the affordable range.
Home Values
| Census Median | $336,200 |
| 19% above US avg |
| Zillow ZHVI | $202,729 |
Real Estate Market (Redfin)
Rental Costs
HUD Fair Market Rent
| Studio | $774 |
| 1 Bedroom | $854 |
| 2 Bedrooms | $1,063 |
| 3 Bedrooms | $1,370 |
| 4 Bedrooms | $1,561 |
Ownership & Property
| Homeownership | 100.0% |
| Owner-Occupied | 100.0% |
| Renter-Occupied | 0.0% |
| Housing Units | 461 |
| Median Year Built | 1973 |
Property Tax
| Avg Tax (IRS) | $7,281 |
| 108% above US avg |
| Effective Rate | 2.17% |
In Lake Petersburg, 37.6% of adults are obese, above the national rate of 32.1%. 9.1% have diabetes. Heart disease affects 5.2% of residents. 30.4% have high blood pressure. 14.3% are current smokers. 20.7% report binge drinking. 21.0% are physically inactive, below the national average. 24.2% report depression (above the 20.0% national average). 18.3% experience frequent mental distress. 7.1% of residents lack health insurance. The primary care physician ratio is 1:829. The dentist ratio is 1:1,165. 87.6% of residents have access to exercise opportunities. The food environment index is 8.3 out of 10.
Health Metrics: Lake Petersburg vs U.S. Average (%)
Chronic Conditions
| Obesity | 37.6% |
| 17% above US avg |
| Diabetes | 9.1% |
| Heart Disease | 5.2% |
| High Blood Pressure | 30.4% |
| Asthma | 10.7% |
| COPD | 6.4% |
| Cancer | 7.6% |
| Stroke | 2.8% |
Behaviors & Mental Health
| Smoking | 14.3% |
| 2% above US avg |
| Binge Drinking | 20.7% |
| Physical Inactivity | 21.0% |
| Depression | 24.2% |
| Mental Distress | 18.3% |
| Physical Distress | 12.4% |
| Short Sleep | 35.8% |
Healthcare Access
| Insurance Rate | 95.3% |
| Uninsured | 7.1% |
| 17% below US avg |
| Primary Care | 1:829 |
| Dentists | 1:1,165 |
| Mental Health | 1:310 |
| Checkup Rate | 75.7% |
| Dental Visits | 63.5% |
| Premature Death | 8,880/100K |
Food & Exercise
| Food Environment | 8.3/10 |
| Exercise Access | 87.6% |
| Healthcare Facilities | 489 |
Lake Petersburg has a violent crime rate of 0 per 100,000 residents, 100% below the national average of 380. Property crime stands at 124 per 100,000, 94% below the U.S. average. The county recorded 30 fatal traffic crashes. Overall, Lake Petersburg receives a safety grade of C+.
Crime Rates: Lake Petersburg vs U.S. Average (per 100,000)
Violent Crime
| Total Violent | 0.0/100K |
| 100% below US avg |
| |
Property Crime
| Total Property | 123.9/100K |
| 94% below US avg |
Traffic Safety
| Fatal Crashes (County/yr) | 30 |
| Avg Accident Severity | 0.0 / 4.0 |
Safety Score
| Safety Grade | C+ |
| Safety Score | 2.5 / 5.0 |
Lake Petersburg experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 26°F in January while summers reach 75°F in July. The area gets 302 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 38.4 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 594 feet.
Temperature
26°F Jan (-3°C)
75°F Jul (24°C)
| Annual Average | 52.0°F |
| 4% below US avg |
| January Average | 26°F (-3°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 594 ft (181 m) |
| Area | 2.0 sq mi (5.3 km²) |
| Population Density | 425/sq mi |
| Coordinates | 39.9843°N, 89.8562°W |
| Timezone | America/Chicago |
| County | Sangamon County County |
| Nearest Airport | General Downing - Peoria International (PIA)
48 miles away |
Precipitation & Snow
Annual Rainfall
38.4"
1% above US avg
Wettest Month (May)
4.25"
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0483 ppm |
| PM2.5 (Fine Particles) | 8.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.7 / 100 |
| Social Vulnerability | 32.0 / 100 |
| Community Resilience | 92.2 / 100 |
Hazard Breakdown
| Tornado |
Relatively High |
| Hurricane |
Very Low |
| Earthquake |
Relatively Moderate |
| Wildfire |
Very Low |
| Flood |
Relatively Moderate |
| Hail |
Relatively High |
| Strong Wind |
Relatively High |
| Heat Wave |
Relatively Moderate |
| Winter Weather |
Relatively High |
| Lightning |
Relatively High |
| Ice Storm |
Relatively Moderate |
| Drought |
Relatively High |
| Cold Wave |
Relatively High |
| Landslide |
Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
6 earthquakes (M2.5+) within 150 km since 1990.
Strongest: M3.4. Most recent: M3.3 on May 13, 2025.
| Mar 2, 1990 |
9 km NW of Vernon, Illinois |
M3.4 |
139 km |
| May 13, 2025 |
7 km SSW of Lerna, Illinois |
M3.3 |
148 km |
| Jan 29, 1993 |
7 km WNW of Brownstown, Illinois |
M3.2 |
127 km |
| Jul 1, 2017 |
9 km SSE of Mulberry Grove, Illinois |
M3.1 |
137 km |
| Sep 5, 2004 |
3 km WNW of Saint Peter, Illinois |
M2.9 |
148 km |
| Sep 19, 2024 |
1 km S of Old Monroe, Missouri |
M2.6 |
141 km |
Source: USGS (M2.5+, 1990–2025)
Tornado History
734 tornadoes (EF0+) within 100 km since 1950.
Strongest: EF4. Total: 22 fatalities, 863 injuries.
| Date |
Rating |
Distance |
Fatalities |
| Nov 17, 2013 |
EF4 |
75 km |
3 |
| May 13, 1995 |
EF4 |
57 km |
0 |
| May 5, 1977 |
EF4 |
59 km |
0 |
| Jun 29, 1976 |
EF4 |
91 km |
0 |
| Mar 20, 1976 |
EF4 |
92 km |
0 |
| Jun 14, 1957 |
EF4 |
29 km |
2 |
| Apr 4, 2023 |
EF3 |
55 km |
0 |
| Dec 1, 2018 |
EF3 |
75 km |
0 |
| Apr 19, 2011 |
EF3 |
60 km |
0 |
| Dec 31, 2010 |
EF3 |
1 km |
0 |
| Aug 19, 2009 |
EF3 |
25 km |
0 |
| May 10, 2003 |
EF3 |
56 km |
0 |
| Jun 1, 1999 |
EF3 |
76 km |
1 |
| Apr 19, 1996 |
EF3 |
61 km |
0 |
| Apr 19, 1996 |
EF3 |
57 km |
0 |
| May 13, 1995 |
EF3 |
49 km |
0 |
| May 9, 1995 |
EF3 |
16 km |
0 |
| May 1, 1983 |
EF3 |
84 km |
0 |
| Jun 21, 1981 |
EF3 |
71 km |
1 |
| Jul 26, 1978 |
EF3 |
22 km |
0 |
Source: NOAA SPC (EF0+, 1950–2024)
Monthly Weather
| Month |
Avg Temperature |
Precipitation |
Summary |
| January |
26°F (-3°C) |
1.5 in |
Coldest, Driest |
| February |
30°F (-1°C) |
1.7 in |
|
| March |
41°F (5°C) |
3.1 in |
|
| April |
53°F (12°C) |
3.6 in |
|
| May |
63°F (17°C) |
4.3 in |
Wettest |
| June |
72°F (22°C) |
3.8 in |
|
| July |
75°F (24°C) |
3.7 in |
Warmest |
| August |
74°F (23°C) |
3.4 in |
|
| September |
67°F (19°C) |
3.4 in |
|
| October |
55°F (13°C) |
2.7 in |
|
| November |
42°F (5°C) |
3.0 in |
|
| December |
30°F (-1°C) |
2.6 in |
|
Lake Petersburg has a seasonal temperature swing of 49°F / from 26°F in January to 75°F in July. Total annual precipitation is 36.9 inches, with May being the wettest month (4.3") and January the driest (1.5").
Average costs for common services in Lake Petersburg. Prices are estimated based on regional cost of living data and may vary by provider.
Healthcare
| Doctor Visit (Primary Care) |
$250 ($150–$400) |
| Specialist Visit |
$350 ($200–$550) |
| Urgent Care Visit |
$200 ($100–$350) |
| Emergency Room Visit |
$2,200 ($800–$5,000) |
| Dental Cleaning |
$130 ($75–$200) |
| Dental Filling |
$250 ($150–$400) |
View all 40 services
Auto Repair
| Oil Change (Conventional) |
$45 ($25–$75) |
| Oil Change (Synthetic) |
$75 ($50–$120) |
| Brake Pad Replacement |
$300 ($150–$500) |
| Tire Rotation |
$40 ($20–$75) |
| New Tires (Set of 4) |
$600 ($400–$1,000) |
| Battery Replacement |
$200 ($100–$350) |
View all 18 services
Home Services
| Plumber (Per Hour) |
$100 ($60–$150) |
| Electrician (Per Hour) |
$90 ($50–$140) |
| HVAC Repair |
$400 ($150–$800) |
| HVAC System Install |
$7,000 ($4,000–$12,000) |
| Roof Repair |
$1,000 ($400–$2,000) |
| Roof Replacement |
$9,000 ($5,500–$15,000) |
View all 25 services
Legal
| Divorce (Uncontested) |
$1,500 ($500–$3,500) |
| Divorce (Contested) |
$15,000 ($5,000–$30,000) |
| DUI Defense |
$5,000 ($2,000–$10,000) |
| Bankruptcy (Chapter 7) |
$1,500 ($800–$3,000) |
| Will Preparation |
$500 ($200–$1,000) |
| Trust Preparation |
$2,500 ($1,000–$5,000) |
View all 12 services
Personal Care
| Men's Haircut |
$25 ($15–$45) |
| Women's Haircut |
$55 ($30–$100) |
| Hair Coloring (Full) |
$150 ($75–$250) |
| Manicure |
$25 ($15–$45) |
| Pedicure |
$40 ($25–$65) |
| Massage (1 Hour) |
$80 ($50–$130) |
View all 12 services
Food & Grocery
| Gallon of Milk (per gallon) |
$4.10 ($3.00–$5.50) |
| Dozen Eggs (per dozen) |
$3.50 ($2.50–$5.00) |
| Loaf of Bread |
$3.80 ($2.50–$5.50) |
| Chicken Breast (per lb) |
$4.50 ($3.00–$6.50) |
| Ground Beef (per lb) |
$5.50 ($4.00–$7.50) |
| Rice (per lb) |
$1.00 ($0.60–$1.80) |
View all 20 services
Utilities
| Electricity (Monthly) |
$140 ($80–$250) |
| Natural Gas (Monthly) |
$70 ($30–$150) |
| Water/Sewer (Monthly) |
$70 ($40–$120) |
| Internet (Monthly) |
$70 ($40–$100) |
| Cell Phone Plan (Monthly) |
$65 ($30–$100) |
| Cable TV (Monthly) |
$85 ($50–$150) |
View all 8 services
Transportation
| Monthly Parking (Downtown) |
$200 ($75–$500) |
| Car Insurance (Annual) |
$2,000 ($1,200–$3,500) |
| Bus Pass (Monthly) |
$70 ($30–$130) |
| Taxi/Uber (5-Mile Ride) |
$15 ($8.00–$25) |
| Car Registration (Annual) |
$100 ($30–$250) |
| Driver's License Renewal |
$30 ($15–$75) |
View all 8 services
Education & Childcare
| Daycare (Infant, Monthly) |
$1,200 ($600–$2,500) |
| Daycare (Toddler, Monthly) |
$1,000 ($500–$2,000) |
| After-School Care (Monthly) |
$400 ($200–$700) |
| Tutoring (Per Hour) |
$50 ($25–$100) |
| SAT/ACT Prep Course |
$1,000 ($400–$2,500) |
| Private School (K-12, Annual) |
$12,500 ($5,000–$30,000) |
View all 8 services
Pets
| Vet Visit (Routine Checkup) |
$60 ($30–$100) |
| Dog Vaccination (Annual) |
$100 ($50–$200) |
| Dog Grooming |
$60 ($30–$100) |
| Pet Boarding (Per Night) |
$40 ($20–$75) |
| Dog Spay/Neuter |
$300 ($150–$500) |
| Cat Spay/Neuter |
$200 ($100–$400) |
View all 9 services
Childcare
| Center-Based (monthly) |
| Infant | $848 |
| Toddler | $815 |
| Preschool | $758 |
| Family Childcare (monthly) |
| Infant | $783 |
| Toddler | $748 |
| Preschool | $686 |
Source: DOL Women's Bureau (2022)
Frequently Asked Questions About Lake Petersburg
What is the population of Lake Petersburg?
Lake Petersburg has a population of 769 residents and is located in Illinois. The population density is 425 people per square mile, spread across 2.0 square miles. The median age of residents is 59.0 years, which is older than the national median of 38.9 years. The population is 46.9% female and 53.1% male.
Is Lake Petersburg expensive to live in?
Lake Petersburg has a cost of living roughly in line with the national average, with an index of 100 (baseline: 100). The median household income is $124,643, 66% above the national average of $75,149. The median home value is $336,200 (19% above the U.S. median). The home price-to-income ratio is 2.7x, indicating housing is reasonably affordable relative to local income levels.
Is Lake Petersburg safe?
Lake Petersburg is considered a very safe city with a violent crime rate of 0 per 100,000 residents, well below the national average of 380. Property crime occurs at a rate of 124 per 100,000 (below the national average). Overall, Lake Petersburg receives a safety grade of C+ based on combined crime data.
What is the weather like in Lake Petersburg?
Lake Petersburg has a four-season climate with an average annual temperature of 52°F (11°C). Winter temperatures average 26°F in January, while summers reach an average of 75°F in July. The area receives 302 sunny days per year, well above the national average of 205. Annual rainfall totals 38.4 inches. Air quality is rated Good with a median Air Quality Index (AQI) of 43.
How is the job market in Lake Petersburg?
The job market in Lake Petersburg is very strong, with unemployment at just 1.6% / well below the national rate of 3.6%. The average weekly wage is $1,334. There are 4,970 business establishments in the area, including 544 restaurants and food service locations. The average commute time is 35 minutes, and 11.6% of workers work from home.
How much does housing cost in Lake Petersburg?
The median home value in Lake Petersburg is $336,200. Zillow estimates the typical home value at $202,729. The homeownership rate is 100.0%. The average annual property tax is $7,281.
How are the schools in Lake Petersburg?
Schools in Lake Petersburg score 5.4 out of 10 on standardized testing, near the national average. 40.6% of adults in Lake Petersburg hold a bachelor's degree or higher, above the national average of 33.7%. 98.9% have completed high school. 12.8% hold a graduate or professional degree.
How healthy is Lake Petersburg?
The obesity rate in Lake Petersburg is 37.6% (above the national rate of 32.1%). 14.3% of adults are smokers. 21.0% are physically inactive. 24.2% of residents report depression. 7.1% lack health insurance (below the national rate). 87.6% of residents have access to exercise opportunities. The primary care physician ratio is 1:829.
What is transportation like in Lake Petersburg?
The average commute in Lake Petersburg is 35 minutes, longer than the national average of 28 minutes. 78.2% of workers drive alone to work, and 11.6% work from home.
What are the demographics of Lake Petersburg?
The racial and ethnic makeup of Lake Petersburg is 92.2% White. 92.7% of residents speak only English at home, while 7.3% speak Spanish. 23.8% of the population are military veterans. 4.8% of residents have a disability. 95.3% have health insurance coverage.
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