{"id":2868,"date":"2023-04-19T07:38:57","date_gmt":"2023-04-19T07:38:57","guid":{"rendered":"https:\/\/townsvillages.com\/us\/?p=2868"},"modified":"2026-08-18T00:28:44","modified_gmt":"2026-08-18T00:28:44","slug":"putnam-county-illinois","status":"publish","type":"post","link":"https:\/\/townsvillages.com\/us\/putnam-county-illinois\/","title":{"rendered":"Putnam County, Illinois"},"content":{"rendered":"

Putnam County is a county in Illinois, United States, on the Illinois River roughly 100 miles southwest of Chicago. It had a population of 5,637 at the 2020 census and covers 172 square miles (450 km2) centred near 41\u00b012\u2032N 89\u00b017\u2032W — the smallest county by area in Illinois.<\/p>\n

Hennepin is the county seat, and its postal code is 61327. The county has 6 incorporated villages, several unincorporated communities and 4 townships. It sits in the Central time zone.<\/p>\n

Towns & Villages in Putnam County<\/h2>\n

Putnam County has 6 incorporated villages plus a handful of unincorporated communities. Village = incorporated municipality; Unincorp. = an unincorporated community with no municipal government.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Place<\/th>\nType<\/th>\nTownship<\/th>\nPop.<\/th>\nZIP<\/th>\n<\/tr>\n<\/thead>\n
Granville<\/td>\nVillage<\/td>\nGranville<\/td>\n—<\/td>\n61326<\/td>\n<\/tr>\n
Hennepin<\/td>\nVillage · seat<\/td>\nHennepin<\/td>\n—<\/td>\n61327<\/td>\n<\/tr>\n
Magnolia<\/td>\nVillage<\/td>\nMagnolia<\/td>\n—<\/td>\n61336<\/td>\n<\/tr>\n
Mark<\/td>\nVillage<\/td>\nSenachwine<\/td>\n—<\/td>\n61340<\/td>\n<\/tr>\n
McNabb<\/td>\nVillage<\/td>\nMagnolia<\/td>\n—<\/td>\n61335<\/td>\n<\/tr>\n
Standard<\/td>\nVillage<\/td>\nHennepin<\/td>\n—<\/td>\n61363<\/td>\n<\/tr>\n
Florid<\/td>\nUnincorp.<\/td>\nSenachwine<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Putnam<\/td>\nUnincorp.<\/td>\nSenachwine<\/td>\n—<\/td>\n61560<\/td>\n<\/tr>\n
Walnut Grove<\/td>\nUnincorp.<\/td>\nHennepin<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Mount Palatine, an unincorporated crossroads community sometimes listed under Putnam County, actually sits mostly across the county line in LaSalle County and is not included here.<\/p>\n

Townships<\/h2>\n
\n\n\n\n\n\n\n\n\n
Township<\/th>\nPop. (2020)<\/th>\nMain settlements<\/th>\n<\/tr>\n<\/thead>\n
Granville<\/td>\n—<\/td>\nGranville<\/td>\n<\/tr>\n
Hennepin<\/td>\n—<\/td>\nHennepin, Standard, Walnut Grove<\/td>\n<\/tr>\n
Magnolia<\/td>\n—<\/td>\nMagnolia, McNabb<\/td>\n<\/tr>\n
Senachwine<\/td>\n—<\/td>\nMark, Florid, Putnam<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

ZIP Codes<\/h2>\n