The Town Files

Glen Carbon, Illinois

Village in Madison County · population 13,842 (2020 Census)

Map: where Glen Carbon is in IllinoisGlen Carbon
Median home
$282,000
Household income
$97,168
Jan low / Jul high
22° / 87°
Snow a year
11 in
Tornadoes ≤10 mi since 1950
49
Median age
40.4

Glen Carbon is a village of 13,842 people in Madison County, Illinois. The median home is worth $282,000, above the typical Illinois town ($156,600). It ranks better for young professionals than 97% of Illinois towns, more upscale than 92% of Illinois towns, more vibrant than 79% of Illinois towns.

How Glen Carbon ranks

Percentile among Illinois towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Illinois towns.

Glen Carbon lifestyle rankings vs other Illinois townsRetirement47th pctFamilies37th pctQuiet13th pctWalkability67th pctFirst-time buyersbottomYoung professionals97th pctVibrancy79th pctHip & trendy77th pctCollege town73rd pctUpscale92nd pctVacation homesbottomSeaside characterbottomCyclingbottomTransit62nd pctDriving19th pcttypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Glen Carbon is worth $282,000, above the typical Illinois town ($156,600). Homes cost about 2.9 times the median household income of $97,168, which is more affordable than 24% of Illinois towns. Median rent is $1,097 a month. 69.2% of households own their home.

Glen Carbon vs Madison County vs typical Illinois townGlen CarbonMadison CountyTypical Illinois townHome value$282,000$173,000$156,600Household income$97,168$75,793$72,500Monthly rent$1,097$1,024$960
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Illinois towns with 500+ people.
HousingGlen CarbonTypical Illinois town
Median home value$282,000$156,600
Median rent$1,097$960
Median household income$97,168$72,500
Home value ÷ income2.9×2.2×
Homeownership69.2%76.6%
Median year built19901967
Seasonal / vacation homes0.0%—

Who lives in Glen Carbon

PeopleGlen CarbonTypical Illinois town
Median age40.440.4
Age 65 and over20.7%18.7%
Under 1822.4%—
Bachelor's degree or higher50.8%21.8%
Below the poverty line4.9%9.9%
Veterans7.6%—
Born outside the U.S.1.6%—
Work from home20.9%8.9%
Average commute26.4 min26.1 min
Homes with broadband93.1%90.4%

Weather in Glen Carbon

July highs average 87.3°F and January lows 21.7°F. About 41.9 inches of rain and melted snow fall a year, with 10.8 inches of snow (typical Illinois town: 24.2 in). Expect about 29 days a year at 90°F or hotter and 85 nights at or below freezing.

Glen Carbon monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing39°22°Jan44°25°Feb54°35°Mar66°45°Apr75°56°May84°66°Jun87°69°Jul86°67°Aug80°60°Sep68°48°Oct54°37°Nov44°27°DecPrecipitation (in) · snow (in) in blue2.53.72.52.53.51.04.90.15.53.44.03.33.42.93.40.22.63.3
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Alton - Melvin Price L&D station (11.7 mi away); snow from Edwardsville 2 W (3.7 mi).

Tornadoes, storms and disasters

49 tornadoes have passed within 10 miles of Glen Carbon since 1950, compared with 27 for the typical Illinois town. 18 rated (E)F2 or stronger. The strongest, an F4, struck on April 3, 1981 about 2.4 miles from the town center. Tornadoes within 10 miles have caused 9 deaths and 282 injuries since 1950. The most recent was on April 27, 2026.

Tornadoes within 10 miles of Glen Carbon by decade71950s71960s41970s51980s21990s92000s82010s72020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 136 times; the largest was 3.00 inches on June 28, 1965.

Severe weather in Madison County since 1996

Storm events in Madison County since 1996 by typeHail293Heat35Flood14Drought4Tornado39High Wind9Lightning5Heavy Snow14
NOAA Storm Events Database, Madison County, 1996–2026 (all event types recorded since 1996). 21 deaths recorded.

Madison County has been included in 16 federal disaster or emergency declarations since 1953, most often for flood, tornado, hurricane.

DeclaredIncidentDeclaration
December 13, 2021TornadoEM-3577: Severe Storms, Straight-Line Winds, And Tornadoes
March 26, 2020BiologicalDR-4489: Covid-19 Pandemic
March 13, 2020BiologicalEM-3435: Covid-19
September 19, 2019FloodDR-4461: Severe Storms And Flooding
June 24, 2008Severe StormDR-1771: Severe Storms And Flooding

Jobs and pay in Madison County

Madison County had 105,166 jobs in 2024, paying an average of $57,153 a year. Unemployment was 4.1% in 2023; in Glen Carbon itself the ACS puts it at 4.4%.

Largest industries in Madison CountyHealth care & social assistan…15,366 jobs · $60,070Transportation & warehousing12,203 jobs · $58,033Retail11,991 jobs · $37,015Hotels & restaurants11,107 jobs · $22,457Manufacturing9,524 jobs · $85,621Construction6,696 jobs · $79,540
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Madison County, 2000–20230%2%4%6%8%10%12%2000200420082012201620202023Madison 4.1%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Glen Carbon

2 public schools with 815 students, about 16.0 students per teacher.

SchoolGradesStudentsPer teacher
Albert Cassens Elementary3-547814.9
Glen Carbon Elem SchoolPK-233717.7

Towns near Glen Carbon

Glen Carbon questions

Is Glen Carbon, Illinois a good place to retire?

On The Town Files lifestyle rankings, Glen Carbon scores better for retirees than 47% of Illinois towns and quieter than 13%. 20.7% of residents are 65 or older (median age 40.4).

How much does a house cost in Glen Carbon?

The median owner-occupied home in Glen Carbon is valued at $282,000 (Census ACS 2020–2024), against a median household income of $97,168, so homes cost about 2.9 times income. Median rent is $1,097 a month.

What is the weather like in Glen Carbon?

July highs average 87.3°F and January lows 21.7°F (NOAA 1991–2020 normals). It gets about 41.9 inches of precipitation a year and 10.8 inches of snow.

Does Glen Carbon get tornadoes?

49 tornadoes have passed within 10 miles of Glen Carbon since 1950 (NOAA Storm Events); the strongest was a F4 on April 3, 1981. The typical Illinois town has had 27.

How this page is made. Every number comes from public data, matched to Glen Carbon's Census boundary (GEOID 1729639). Comparisons use the median of Illinois towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.