Massac County, Illinois
Massac 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 MASSAC
GUS Population: 13,627 (2024)
ID: 124847
|
County | Official County Government |
Contact: CHAIRPERSON
COUNTY BUILDING, METROPOLIS IL 62960
|
|
GUS Population: 5,776 (2024)
ID: 207843
|
Municipal | Municipal Government Within County |
Contact: CORPORATE FINANCIAL OFFICE
PO BOX 682, METROPOLIS IL 62960-0682
|
|
CITY OF BROOKPORT
GUS Population: 691 (2024)
ID: 125016
|
Municipal | Municipal Government Within County |
Contact: CITY CLERK
209 OHIO ST, BROOKPORT IL 62910-2813
|
|
VILLAGE OF JOPPA
GUS Population: 333 (2024)
ID: 162534
|
Municipal | Municipal Government Within County |
Contact: CLERK
PO BOX 99, JOPPA IL 62953-0099
|