Omega, Illinois
Omega: township in Marion County, Illinois
About
Omega is a township located in the county of Marion in the U.S. state of Illinois. Its population at the 2010 census was 501 and a population density of 14 people per km². After 10 years in 2020 city had an estimated population of 466 inhabitants.
Quick Facts about Omega
| Population | 466 (2020) |
| Country | United States of America |
| State | Illinois (United States) |
| County | Marion County |
| Area | 36.33 km2 |
| Latitude & Longitude | 38.7045,-88.7806 |
| Altitude | 1,883 feet / 574 meters |
| Time Zone | America/Chicago |
| Local time | 21:01:06 (22nd April 2026) |
| Density | 13 Pop. per km² as of 2020 |
| Population growth | -7.51% (2010-2020) |
| Weather | 56℉ Mostly Clear 7-days weather |
Geography
Omega is located at 38°42'16"N 88°46'50"W (38.7044900, -88.7806100).
Omega map
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Weather
Mostly clear. Low around 56, with temperatures rising to around 60 overnight. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
7-Day ForecastDemographics
According to census records, the population of Omega decreased by 7.51% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 501 | - | census |
| 2011 | 497 | -0.8% | estimation process |
| 2012 | 498 | 0.2% | estimation process |
| 2013 | 494 | -0.81% | estimation process |
| 2014 | 492 | -0.41% | estimation process |
| 2015 | 490 | -0.41% | estimation process |
| 2016 | 486 | -0.82% | estimation process |
| 2017 | 484 | -0.41% | estimation process |
| 2018 | 479 | -1.04% | estimation process |
| 2019 | 477 | -0.42% | estimation process |
| 2020 | 466 | -2.36% | estimation process |
Nearby Schools and Colleges
Schools and campuses linked to Omega, IL. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 146366 | Kaskaskia College | Centralia (IL) | 62801 |
Nearby Transit Stations (9)
Rail and bus stations connected to Omega, IL. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| CEN | Centralia station | 108 East Broadway | RAIL |
| MVI | Mt. Vernon, IL | 102 Potomac Boulevard | BUS |
| EFG | Effingham | 401 West National Ave. | RAIL |
| DQN | Du Quoin | 20 North Chestnut St. | RAIL |
| MAT | Mattoon station | 1718 Broadway Ave. | RAIL |
Closest post offices linked to Omega.
| Post Office Name | City | ZIP |
|---|---|---|
| Kinmundy Post Office | Kinmundy (IL) | 62854 |
Other places with the same name (1)
- Omega, Georgia city in Colquitt and Tift Counties, Georgia, United States with a population of 1,222 people.
Other cities in Marion County
Cities, towns, neighborhoods & other populated places in Marion County , IL. (more)
| City Name | Population | Title |
|---|---|---|
| Centralia | 12,142 | Township in Marion County, Illinois |
| Salem | 6,952 | City in Illinois |
| Sandoval | 1,205 | Village in Marion County, Illinois, United States |
| Wamac | 1,117 | City in Marion County, Illinois, United States |
| Central City | 1,107 | City in Illinois, USA |
| Odin | 1,004 | Village in Illinois |
| Kinmundy | 919 | Township in Marion County, Illinois |
| Tonti | 903 | Township in Marion County, Illinois |
| Patoka | 544 | Township in Marion County, Illinois |
| Iuka | 495 | Township in Marion County, Illinois |
| Junction City | 468 | Human settlement in Illinois, United States of America |
| Hickory Hill | 398 | City in Cook County, Illinois, United States |
| Alma | 302 | City in Illinois, USA |
| Kell | 204 | Human settlement in Illinois, United States of America |
| Vernon | 119 | Village in Illinois, United States |
| Walnut Hill | 101 | Human settlement in Illinois, United States of America |