{"id":3706,"date":"2023-05-28T22:27:33","date_gmt":"2023-05-28T22:27:33","guid":{"rendered":"https:\/\/townsvillages.com\/us\/?p=3706"},"modified":"2026-08-16T19:08:25","modified_gmt":"2026-08-16T19:08:25","slug":"linn-county-kansas","status":"publish","type":"post","link":"https:\/\/townsvillages.com\/us\/linn-county-kansas\/","title":{"rendered":"Linn County, Kansas"},"content":{"rendered":"

Linn County is a county in Kansas, United States, on the Missouri border in the east-central part of the state. It had a population of 9,591 at the 2020 census and covers 606 square miles (1,570 km2) centred near 38\u00b013\u2032N 94\u00b051\u2032W.<\/p>\n

Mound City is the county seat, and its postal code is 66056. The county holds seven incorporated cities and eight unincorporated communities, and the entire county is classified rural by the Census Bureau. Linn County sits in the Central time zone, and its FIPS code is 20107.<\/p>\n

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

Fifteen named places appear on the map of Linn County: seven incorporated cities and eight unincorporated communities, including one Census-designated place. No 2020 per-place population counts are published for Linn County’s small cities, so the table below marks those cells with a dash rather than an estimate.<\/p>\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
Mound City<\/td>\nCity · seat<\/td>\n—<\/td>\n66056<\/td>\n<\/tr>\n
Pleasanton<\/td>\nCity<\/td>\n—<\/td>\n66075<\/td>\n<\/tr>\n
La Cygne<\/td>\nCity<\/td>\n—<\/td>\n66040<\/td>\n<\/tr>\n
Linn Valley<\/td>\nCity<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Blue Mound<\/td>\nCity<\/td>\n—<\/td>\n66010<\/td>\n<\/tr>\n
Parker<\/td>\nCity<\/td>\n—<\/td>\n66072<\/td>\n<\/tr>\n
Prescott<\/td>\nCity<\/td>\n—<\/td>\n66767<\/td>\n<\/tr>\n
Centerville<\/td>\nCDP<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Trading Post<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Boicourt<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Cadmus<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Critzer<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Farlinville<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Goodrich<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Mantey<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Linn Valley and Trading Post have no post office of their own and use neighboring ZIP codes for mail. Pleasanton is Linn County’s largest city by population even though Mound City is the seat, a split that carries over from the county’s 1867 organization.<\/p>\n

ZIP Codes<\/h2>\n