Marion

City in Williamson County, Illinois

View of Marion, Illinois
Photo: Aaron Price, Reporter · Public domain

Marion is a city in Williamson County, Illinois, with 16,855 residents (2020 Census). It sits at 518 ft (158 m) above sea level. The nearest town is Spillertown, 2.4 miles NE.

About Marion

Marion is a city in and the county seat of Williamson County, Illinois, United States. The population was 16,855 according to the 2020 census. It is part of a dispersed urban area that developed out of early 20th-century coal fields.

Marion serves as the largest retail trade center in Southern Illinois with its central location along Interstate 57 and Illinois Route 13. The city is part of the Marion-Herrin micropolitan area and is a part of the Carbondale-Marion-Herrin, Illinois combined statistical area with 123,272 residents, the sixth-most populous Combined statistical area in Illinois.

Text: Wikipedia · CC BY-SA 4.0

Marion weather: 7-day forecast

Loading the National Weather Service forecast…

Hourly forecast & alerts ›

Source: National Weather Service (NOAA).

Nearest webcams to Marion

There are no webcams in Marion itself. These are the closest, 49 miles away or more.

All 6 webcams near Marion ›

Webcams: Windy.com

Living in Marion

Median household income
$56,912
Median home value
$158,300
Median rent
$921/mo
Median age
42.2
Cost of living and demographics of Marion ›

Do you know Marion? Tell us about it

Help other travelers: share what makes Marion special. We review every message before publishing it.

Map of Marion

Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Marion Street View

Loading Street View…

Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.

Open in Google Maps ›

Marion, IL population

Marion had 16,855 residents in the 2020 Census.

2020 Census16,855
Density1,176 per sq mi (454 per km²)

Source: U.S. Census Bureau, Decennial Census.

Marion at a glance

StateIllinois (IL)
CountyWilliamson County
TypeCity
Population16,855 (2020)
Land area14.34 sq mi (37.1 km²)
Water area0.21 sq mi (0.55 km²)
Elevation518 ft (158 m)
Coordinates37.7342° N, 88.9443° W
ZIP code62959
Official websitecityofmarionil.gov
Census code (GEOID)1746916

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Marion

Straight-line distance between town centers.

Frequently asked questions about Marion

What county is Marion in?

Marion is in Williamson County, Illinois.

What is the population of Marion, IL?

16,855 people lived in Marion at the 2020 Census.

What is the ZIP code of Marion, IL?

The ZIP code of Marion is 62959.

What is the elevation of Marion?

518 feet (158 m) above sea level.

What towns are near Marion?

Spillertown (2.4 mi), Whiteash (3.5 mi), Energy (5.0 mi), Pittsburg (5.9 mi), Johnston City (6.1 mi).

Last updated: