Explore Dorchester, Illinois, with this interactive street and satellite map. You can “grab” the Dorchester, IL street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
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| City | Dorchester |
| State | Illinois (IL) |
| County | Macoupin |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 39.085602 |
| Longitude | -89.8876 |
| Population | 182 |
| Density | 99.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 62033 |
| Area Code | 309 |
| County Seat | Carlinville |
| School District | Gillespie Community Unit School District 7 |
Dorchester is a locality in Macoupin County, Illinois, United States. It is a small community with a population of 182. The population density is 99.0 people per km². Dorchester is located at 39.0856°N, 89.8876°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 62033.
Dorchester lies in the gentle swell of Macoupin County, where cornfields unfurl like emerald carpets beneath a vast, indifferent sky. It lies 19.3 miles north of Edwardsville, IL (from Edwardsville, IL: bearing 11°T), and is situated 7.2 miles north-west of Staunton. The land here is a patient canvas, shaped by slow, persistent rain and the patient hand of the plow. A quietude settles over the landscape in the late afternoon, a stillness broken only by the distant hum of a tractor or the whisper of wind through the stalks. The horizon is a clean, unbroken line, a promise of endless possibility or perhaps just more of the same, depending on the day and the mood. The air itself carries the scent of damp earth and sun-baked grain, a perfume of sustenance and endless cycles. This corner of Illinois carries the echoes of a different kind of labor, a time when the earth yielded not just grain but coal. Though the deep mines that once defined Dorchester are largely silent now, their legacy is etched into the very character of the place, a stoic resilience born from hard-won sustenance. The economy, like the land, has adapted, relying now on the bounty of the fields, the steady rhythm of agriculture providing a predictable pulse. Local life unfolds at a pace dictated by the seasons and the needs of the farms, a communal understanding that binds neighbors together in shared purpose. Dorchester remembers its past, not with grand monuments, but with the quiet dignity of a community that has weathered change and continues to draw strength from the earth.
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This page provides an embedded street and satellite map of Dorchester, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.085602, -89.8876. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Dorchester and Macoupin County.
Detailed location data for Dorchester includes the ZIP code (62033), telephone area code (309), county seat of Macoupin County (Carlinville), and school district assignment (Gillespie Community Unit School District 7). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Dorchester is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 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. Location verified by proximity — not name matching alone. |