IL · CountyHenry County, Illinois15 cities in the directoryCitiesCityPopulationRegionAlpha653—Andover539—Annawan860—Atkinson930—Bishop Hill112—Cambridge2,034—Cleveland153—Coal Valley3,883—Colona4,960—Galva2,396—Geneseo6,503—Hooppole173—Kewanee12,146—Orion1,714—Woodhull733—