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Omega

A township of 495 people in Marion County, Illinois
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Headlines via Google News · Articles belong to their publishers.

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Around town

The places and views that make it Omega

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Outdoors in Omega

Parks & trails →
Conserved land11%2,494 of 23,100 acres
Trails0.2 mi0 mi per sq mi
Parks & preserves1named on the map

Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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Know Omega

The town at a glance, and the guide to how things work

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About Omega

Township in Illinois, United States
495Population
36.3 sq miArea
574 ftElevation

Omega Township is located in Marion County, Illinois. As of the 2010 census, its population was 501 and it contained 212 housing units.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

Living in Omega

Work & commute in Omega

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Most working residents leave Omega for work: only 1% work in town. The top destinations are Salem (24%), Mount Vernon (6%) and Centralia (5%). Half commute less than 22 miles.

Salem
24%
Mount Vernon
6%
Centralia
5%
Kinmundy
4%
Census LEHD 2023 · ACSWork & commute in Omega →

Health in Omega

Compared with Illinois

3better than IL·8worse

of 32 measures CDC estimates. The other 21 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Salem Township HospitalSalem · 11.3 mi · ER · rural critical access
Sihf Healthcare - SalemSalem · 12 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 62849, 62854 · CMS · HRSAHealth in Omega →

Natural hazards in Omega

57
Moderate

Expected storm and flood damage is higher than in 57% of U.S. communities.

🏚️ Earthquakes🌊 Inland flooding🥶 Cold waves
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Omega →

Climate in Omega

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Omega has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 22°, and about 15 inches of snow falls in a normal winter.

41° / 25°Winter
65° / 44°Spring
86° / 65°Summer
67° / 45°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Omega →

Libraries near Omega

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Nearest: Kinmundy Public LibraryKinmundy · 7.6 miles · 31 hrs a week

Famous people from Omega

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Where Omega is

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Locator map of Omega
Wikimedia Commons · Map: Omnedon · Public domain

Location map

Illinois · IL · Marion CountyTown boundary on OpenStreetMap →

How things work in Omega

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You’re in Omega, ILMarion CountyView boundary

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01