{"id":2757,"date":"2023-04-15T19:25:13","date_gmt":"2023-04-15T19:25:13","guid":{"rendered":"https:\/\/townsvillages.com\/us\/?p=2757"},"modified":"2026-08-21T16:17:35","modified_gmt":"2026-08-21T16:17:35","slug":"jersey-county","status":"publish","type":"post","link":"https:\/\/townsvillages.com\/us\/jersey-county\/","title":{"rendered":"Jersey County, Illinois"},"content":{"rendered":"

Jersey County is a county in Illinois, United States, wedged between the Mississippi and Illinois rivers in the southwestern part of the state. It had a population of 21,512 at the 2020 census and covers 377 square miles (980 km2) centred near 39\u00b005\u2032N 90\u00b022\u2032W.<\/p>\n

Jerseyville is the county seat, and its postal code is 62052. The county holds a handful of incorporated cities and villages, several unincorporated communities, and a set of civil townships. It sits in the Central time zone and is part of the St. Louis, MO–IL Combined Statistical Area.<\/p>\n

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

Jersey County’s map holds a small cluster of incorporated cities and villages along the river bluffs and inland farmland, plus a longer list of unincorporated crossroads communities and hamlets carried over from the county’s historical record. CDP = census-designated place; Unincorp. = unincorporated community with no town government.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Place<\/th>\nType<\/th>\nPop.<\/th>\nZIP<\/th>\n<\/tr>\n<\/thead>\n
Jerseyville<\/td>\nCity · seat<\/td>\n8,337<\/td>\n62052<\/td>\n<\/tr>\n
Grafton<\/td>\nCity<\/td>\n626<\/td>\n62037<\/td>\n<\/tr>\n
Elsah<\/td>\nVillage<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Fidelity<\/td>\nVillage<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Otterville<\/td>\nVillage<\/td>\n87<\/td>\n—<\/td>\n<\/tr>\n
Beltrees<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Brighton<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Camden<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Chautauqua<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Delhi<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Democrat Spring<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Dow<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
East Newbern<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Fieldon<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Kemper<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Lake Piasa<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Lockhaven<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
McClusky<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
New Delhi<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Newbern<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Nutwood<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Reardon<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Reddish<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Rosedale<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Spankey<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Jerseyville anchors the county’s inland farmland; Grafton and Elsah sit on the bluffs above the Mississippi and Illinois rivers, both known for river tourism rather than population size.<\/p>\n

ZIP Codes<\/h2>\n