Alexander County, Illinois
Alexander County profile, demographic data, and geographic information.
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
COUNTY OF ALEXANDER
GUS Population: 4,594 (2024)
ID: 162119
|
County | Official County Government |
Contact: ALEXANDER COUNTY TREASURER
2000 WASHINGTON AVE, CAIRO IL 62914-1717
|
|
CITY OF CAIRO
GUS Population: 1,523 (2024)
ID: 162175
|
Municipal | Municipal Government Within County |
Contact: MAYOR
1501 WASHINGTON AVE, CAIRO IL 62914-1811
|
|
VILLAGE OF TAMMS
GUS Population: 373 (2024)
ID: 162176
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK
PO BOX 69, TAMMS IL 62988-0069
|
|
VILLAGE OF EAST CAPE GIRARDEAU
GUS Population: 253 (2024)
ID: 124858
|
Municipal | Municipal Government Within County |
Contact: TREASURER
50 BROOKWOOD DR, MC CLURE IL 62957-9723
|
|
VILLAGE OF MCCLURE
GUS Population: 224 (2024)
ID: 215761
|
Municipal | Municipal Government Within County |
Contact: CLERK
PO BOX 117, MC CLURE IL 62957-0117
|
|
VILLAGE OF THEBES
GUS Population: 182 (2024)
ID: 102561
|
Municipal | Municipal Government Within County |
Contact: VILLAGE CLERK
PO BOX 159, THEBES IL 62990-0159
|