Posey, Illinois

Posey: a city in Clinton County, Illinois.

About

Posey is a city located in the county of Clinton in the U.S. state of Illinois.

Quick Facts about Posey

State Illinois (United States)
County Clinton County
Latitude & Longitude 38.5370,-89.3526
Time Zone America/Chicago
Local time 21:35:19 (8th November 2026)
Weather 64℉ Sunny 7-days weather

Geography

Posey is located at 38°32'13"N 89°21'9"W (38.5369900, -89.3525800).

Posey map

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

Weather

64°F
Sunny
3 to 9 mph W Today

Sunny. High near 64, with temperatures falling to around 59 in the afternoon. West wind 3 to 9 mph.

7-Day Forecast

Nearby Schools and Colleges

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

Code Name City ZIP
146366 Kaskaskia College Centralia (IL) 62801

Nearby Transit Stations (10)

Rail and bus stations connected to Posey, 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
DQN Du Quoin 20 North Chestnut St. RAIL
STL Gateway Transportation Center 551 South 16th St. RAIL
ALN Alton 3400 College Ave. RAIL

Closest post offices linked to Posey.

Post Office Name City ZIP
Hoffman Post Office Hoffman (IL) 62250

Other cities in Clinton County

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

City Name Population Title
Breese 4,538 City in Illinois, USA; suburb of Greater St.
New Baden 3,205 City in Illinois, United States of America
Carlyle 3,148 City in Illinois, United States
Trenton 2,566 City in Illinois
Aviston 2,156 Village in United States of America