St. Clair County
St. Clair County Details
SEE MAP FOR
Map Coord - Letter
Map Coord - Number
| City/Township | Realcomp Map Area |
| ALGONAC | 10281 |
| ALGONAC | 10232 |
| BERLIN TOWNSHIP | 10111 |
| BROCKWAY TOWNSHIP | 10021 |
| BURTCHVILLE TOWNSHIP | 10051 |
| CAPAC | 10062 |
| CASCO TOWNSHIP | 10181 |
| CHINA TOWNSHIP | 10191 |
| CLAY TOWNSHIP | 10231 |
| CLYDE TOWNSHIP | 10091 |
| COLUMBUS TOWNSHIP | 10161 |
| COTTRELLVILLE TOWNSHIP | 10221 |
| EAST CHINA TOWNSHIP | 10201 |
| EMMETT | 10072 |
| EMMETT TOWNSHIP | 10071 |
| FORT GRATIOT TOWNSHIP | 10101 |
| GRANT TOWNSHIP | 10041 |
| GREENWOOD TOWNSHIP | 10031 |
| IRA TOWNSHIP | 10211 |
| KENOCKEE TOWNSHIP | 10081 |
| KIMBALL TOWNSHIP | 10141 |
| LYNN TOWNSHIP | 10011 |
| MARINE CITY | 10222 |
| MARYSVILLE | 10171 |
| MARYSVILLE | 10153 |
| MEMPHIS | 10122 |
| MUSSEY TOWNSHIP | 10061 |
| PORT HURON | 10152 |
| PORT HURON CITY | 10161 |
| PORT HURON TOWNSHIP | 10151 |
| RILEY TOWNSHIP | 10121 |
| ST CLAIR CITY | 10201 |
| ST. CLAIR | 10172 |
| ST. CLAIR TOWNSHIP | 10171 |
| WALES TOWNSHIP | 10131 |
| YALE | 10022 |