Diamond City, Illinois

Diamond City: a city in Hamilton County, Illinois.

About

Diamond City is a city located in the county of Hamilton in the U.S. state of Illinois.

Quick Facts about Diamond City

State Illinois (United States)
County Hamilton County
Latitude & Longitude 38.0892,-88.5526
Time Zone America/Chicago
Local time 23:18:38 (6th November 2026)
Weather 56℉ Mostly Sunny 7-days weather

Geography

Diamond City is located at 38°5'21"N 88°33'9"W (38.0892100, -88.5525500).

Diamond City map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

56°F
Mostly Sunny
8 to 13 mph NNW Today

Mostly sunny. High near 56, with temperatures falling to around 52 in the afternoon. North northwest wind 8 to 13 mph.

7-Day Forecast

Nearby Schools and Colleges

Schools and campuses linked to Diamond City, IL. Select a name to open its map and contact details.

Code Name City ZIP
148256 Rend Lake College Ina (IL) 62846
403469 Frontier Community College Fairfield (IL) 62837
148937 Southeastern Illinois College Harrisburg (IL) 62946

Nearby Transit Stations (9)

Rail and bus stations connected to Diamond City, IL. Select a station to open its map and address details.

Code Name Address Type
MVI Mt. Vernon, IL 102 Potomac Boulevard BUS
MAI Marion, IL 2100 West Main Street BUS
DQN Du Quoin 20 North Chestnut St. RAIL
CDL Carbondale station 401 South Illinois St. RAIL
CEN Centralia station 108 East Broadway RAIL

Closest post offices linked to Diamond City.

Post Office Name City ZIP
Mc Leansbor Post Office Mc Leansboro (IL) 62859
Macedonia Post Office Macedonia (IL) 62860
Dahlgren Post Office Dahlgren (IL) 62828
Broughton Post Office Broughton (IL) 62817
Enfield Post Office Enfield (IL) 62835

Other cities in Hamilton County

Cities, towns, neighborhoods & other populated places in Hamilton County , IL.

City Name Population Title
McLeansboro 2,730 City in Illinois