▁school ▁facilities , ▁and ▁the ▁periodic ▁need ▁to ▁help ▁with ▁family ▁farm ▁har v ests ▁have ▁resulted ▁in ▁approximately ▁a ▁ 7 ▁percent ▁abs ente e ism ▁rate ▁among ▁primary ▁school ▁children . ▁ ▁References ▁▁▁ ▁Category : G ren ad ian ▁society <0x0A> </s> ▁Lyon ▁County ▁is ▁a ▁county ▁in ▁the ▁U . S . ▁state ▁of ▁Minnesota . ▁As ▁of ▁the ▁ 2 0 1 0 ▁United ▁States ▁Census , ▁the ▁population ▁was ▁ 2 5 , 8 5 7 . ▁Its ▁county ▁seat ▁is ▁Marshall . ▁ ▁Lyon ▁County ▁compr ises ▁the ▁Marshall , ▁M N ▁Mic ropol itan ▁Statist ical ▁Area . ▁ ▁History ▁The ▁county ▁was ▁established ▁by ▁two ▁acts ▁of ▁the ▁Minnesota ▁state ▁legisl ature , ▁dated ▁March ▁ 6 , ▁ 1 8 6 8 , ▁and ▁March ▁ 2 , ▁ 1 8 6 9 . ▁The ▁county ▁seat ▁was ▁designated ▁as ▁Marshall . ▁The ▁county ▁was ▁named ▁for ▁Nathan iel ▁Lyon , ▁an ▁Army ▁officer ▁who ▁served ▁in ▁the ▁Dak ota ▁and ▁Minnesota ▁territ ories ▁before ▁being ▁killed ▁in ▁the ▁Civil ▁War ▁in ▁ 1 8 6 1 . ▁He ▁had ▁achieved ▁the ▁rank ▁of ▁general ▁by ▁his ▁death . ▁The ▁county ▁was ▁much ▁larger ▁until ▁an ▁act ▁passed ▁on ▁March ▁ 6 , ▁ 1 8 7 3 , ▁made ▁the ▁western ▁ 4 3 % ▁the ▁new ▁Lincoln ▁County . ▁ ▁Geography ▁The ▁Y ellow ▁Medicine ▁River ▁flows ▁n ortheast ▁through ▁the ▁upper ▁portion ▁of ▁the ▁county , ▁the ▁Red wood ▁River