The Town Files

Marion, Illinois

City in Williamson County · population 16,855 (2020 Census)

Map: where Marion is in IllinoisMarion
Median home
$158,300
Household income
$56,912
Jan low / Jul high
23° / 88°
Snow a year
11 in
Tornadoes ≤10 mi since 1950
18
Median age
42.2

Marion is a city of 16,855 people in Williamson County, Illinois. The median home is worth $158,300, close to the typical Illinois town ($156,600). It ranks better for cycling than 91% of Illinois towns, hipper than 84% of Illinois towns, better for young professionals than 79% of Illinois towns.

How Marion 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.

Marion lifestyle rankings vs other Illinois townsRetirement49th pctFamilies14th pctQuiet30th pctWalkability68th pctFirst-time buyers58th pctYoung professionals79th pctVibrancy60th pctHip & trendy84th pctCollege town32nd pctUpscale51st pctVacation homesbottomSeaside characterbottomCycling91st pctTransit57th pctDriving31st 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 Marion is worth $158,300, close to the typical Illinois town ($156,600). Homes cost about 2.8 times the median household income of $56,912, which is more affordable than 27% of Illinois towns. Median rent is $921 a month. 63.3% of households own their home.

Marion vs Williamson County vs typical Illinois townMarionWilliamson CountyTypical Illinois townHome value$158,300$156,400$156,600Household income$56,912$65,604$72,500Monthly rent$921$930$960
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Illinois towns with 500+ people.
HousingMarionTypical Illinois town
Median home value$158,300$156,600
Median rent$921$960
Median household income$56,912$72,500
Home value ÷ income2.8×2.2×
Homeownership63.3%76.6%
Median year built19811967
Seasonal / vacation homes1.1%—

Who lives in Marion

PeopleMarionTypical Illinois town
Median age42.240.4
Age 65 and over23.5%18.7%
Under 1821.0%—
Bachelor's degree or higher28.5%21.8%
Below the poverty line13.3%9.9%
Veterans9.6%—
Born outside the U.S.2.3%—
Work from home11.3%8.9%
Average commute21.9 min26.1 min
Homes with broadband84.3%90.4%

Weather in Marion

July highs average 88.1°F and January lows 23.4°F. About 49.0 inches of rain and melted snow fall a year, with 10.6 inches of snow (typical Illinois town: 24.2 in). Expect about 38 days a year at 90°F or hotter and 103 nights at or below freezing.

Marion monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing41°23°Jan46°26°Feb56°35°Mar68°44°Apr77°55°May85°64°Jun88°68°Jul87°65°Aug81°56°Sep70°44°Oct56°35°Nov45°27°DecPrecipitation (in) · snow (in) in blue3.42.93.13.24.51.25.50.15.24.64.13.23.43.70.24.50.13.72.9
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the Carbondale Sewage Plt station (12.3 mi away); snowfall estimated from the 4 nearest snow stations, weighted by distance.

Tornadoes, storms and disasters

18 tornadoes have passed within 10 miles of Marion since 1950, compared with 27 for the typical Illinois town. 7 rated (E)F2 or stronger. The strongest, an EF4, struck on May 16, 2025 about 5.3 miles from the town center. Tornadoes within 10 miles have caused 10 deaths and 207 injuries since 1950. The most recent was on May 16, 2025.

Tornadoes within 10 miles of Marion by decade01950s11960s11970s11980s21990s32000s62010s42020s
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 50 times; the largest was 3.00 inches on June 30, 2023.

Severe weather in Williamson County since 1996

Storm events in Williamson County since 1996 by typeHail113Heat62Flood28Drought29Dense Fog107Flash Flood40Strong Wind79Frost/Freeze55
NOAA Storm Events Database, Williamson County, 1996–2026 (all event types recorded since 1996). 3 deaths recorded.

Williamson County has been included in 9 federal disaster or emergency declarations since 1953, most often for tornado, hurricane, snowstorm.

DeclaredIncidentDeclaration
March 26, 2020BiologicalDR-4489: Covid-19 Pandemic
March 13, 2020BiologicalEM-3435: Covid-19
June 7, 2011Severe StormDR-1991: Severe Storms And Flooding
July 2, 2009Severe StormDR-1850: Severe Storms, Flooding, And Tornadoes
September 7, 2005HurricaneEM-3230: Hurricane Katrina Evacuation

Jobs and pay in Williamson County

Williamson County had 28,465 jobs in 2024, paying an average of $53,081 a year. Unemployment was 4.4% in 2023; in Marion itself the ACS puts it at 3.5%.

Largest industries in Williamson CountyHealth care & social assistan…5,537 jobs · $58,247Manufacturing3,487 jobs · $58,515Retail3,235 jobs · $38,013Hotels & restaurants3,223 jobs · $25,768Finance & insurance1,509 jobs · $61,415Administrative & support1,230 jobs · $38,648
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in Williamson County, 2000–20230%2%4%6%8%10%2000200420082012201620202023Williamson 4.4%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Marion

10 public schools with 3,863 students, about 13.4 students per teacher.

SchoolGradesStudentsPer teacher
Marion High School9-121,10513.3
Marion Jr High School6-870414.1
Lincoln Elem SchoolK-549313.7
Washington Elem SchoolK-547912.6
Crab Orchard Elementary SchoolPK-834517.3
Jefferson Elem SchoolPK-534414.3
Longfellow Elem SchoolK-525213.3
Crab Orchard High School9-1214110.1
Williamson Co Intensive ProgramOther——
Williamson Co Learning CntrOther——

Towns near Marion

Marion questions

Is Marion, Illinois a good place to retire?

On The Town Files lifestyle rankings, Marion scores better for retirees than 49% of Illinois towns and quieter than 30%. 23.5% of residents are 65 or older (median age 42.2).

How much does a house cost in Marion?

The median owner-occupied home in Marion is valued at $158,300 (Census ACS 2020–2024), against a median household income of $56,912, so homes cost about 2.8 times income. Median rent is $921 a month.

What is the weather like in Marion?

July highs average 88.1°F and January lows 23.4°F (NOAA 1991–2020 normals). It gets about 49.0 inches of precipitation a year and 10.6 inches of snow.

Does Marion get tornadoes?

18 tornadoes have passed within 10 miles of Marion since 1950 (NOAA Storm Events); the strongest was an EF4 on May 16, 2025. The typical Illinois town has had 27.

How this page is made. Every number comes from public data, matched to Marion's Census boundary (GEOID 1746916). 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 2026-11-12.