 fairfield is a city in clay county, nebraska, united states. the population was 387 at the 2010 census. it is part of the hastings, nebraska micropolitan statistical area. ==history== fairfield had its start in the year 1872 by the building of the railroad through that territory.{{cite book | url=http://books.google.com/books?id=inm_aaaayaaj&pg=pa104#v=onepage&q&f=false | title=history of hamilton and clay counties, nebraska, volume 1 | publ
Cities_in_Clay_County,_Nebraska Cities_in_Nebraska Hastings_Micropolitan_Statistical_Area