Explore Mason, Illinois, with this interactive street and satellite map.
| City | Mason |
| State | Illinois (IL) |
| County | Union County |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 38.954328 |
| Longitude | -88.627068 |
| Population | 323 |
| Density | 96.9 /km² |
| Incorporated | Yes |
| ZIP Codes | 62920, 62443 |
| Area Code | 618, 217 |
| County Seat | Jonesboro |
| School District | Effingham Community Unit School District 40 |
Mason occupies a vast, level expanse of the Illinois interior, where the horizon stretches flat and wide under an immense, unyielding sky. It lies 14.2 miles south of Carbondale, IL (from Carbondale, IL: bearing 188°T), and is situated 4.4 miles north of Anna. The landscape surrounding Mason remains dominated by the quiet persistence of agricultural cycles, defined by the seasonal shift from dark, turned earth to the high, verdant stalks of corn and soybeans that absorb the summer heat. To the west, the cooling influence of Clear Creek cuts through the terrain, while the dense, shadowed canopy of the Trail of Tears State Forest provides a wilder contrast to the orderly grid of the fields. In the distance, the rugged, elevated silhouette of Atwood Ridge breaks the monotony of the plains, acting as a permanent, stoic sentinel against the encroaching clouds that drift across the center of the continent.
History in Mason lingers in the weathered grain of wooden barns and the sturdy, pragmatic architecture that prioritizes function over ornament. The local economy persists through a deliberate, steady rhythm of harvest and commerce, tethered to the land and the quiet movement of goods along the regional veins of transport. Residents often find respite in the Shawnee Purchase Unit, a sprawling expanse that invites a slower pace of life, or observe the stillness of the Anna State Hospital Reservoir, where the water reflects the gray, bruised light of late autumn afternoons. Beyond the immediate reach of Kratzinger Hollow, the life of the place is measured not in grand gestures but in the recurring, familiar labor of those who work the soil, ensuring that the character of Mason remains as enduring as the deep, black loam beneath it.
Loading news…
Loading news-world…
Loading news-world…
This page provides an embedded street and satellite map of Mason, Illinois. Coordinates: 38.954328, -88.627068. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.
Detailed location data for Mason includes the ZIP code (62920, 62443), telephone area code (618, 217), county seat of Union County (Jonesboro), and school district assignment (Effingham Community Unit School District 40).
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.
| Page generated | August 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |