Adams County is the westernmost county in the U.S. state of Illinois. As of the 2020 census, the population was 65,737. Its county seat is Quincy. Adams County is part of the Quincy, IL–MO Micropolitan Statistical Area. History Adams County was formed in 1825 out of Pike County. Its name is in honor of the sixth President of the United States, John Quincy Adams. Geography According to the U.S. Census Bureau, the county has a total area of, of which is land and (1.9%) is water. Adjacent counties Hancock County - north Brown County - east Schuyler County - east Pike County - south Marion County, Missouri - west Lewis County, Missouri - west Major highways Interstate 172 US Route 24 US Route 36 Illinois Route 57 Illinois Route 61 Illinois Route 94 Illinois Route 96 Illinois Route 104 Illinois Route 336 National protected area Great River National Wildlife Refuge (part) Climate and weather In recent years, average temperatures in the county seat
Adams County es el condado más occidental del estado de Illinois de los Estados Unidos. A partir del censo de 2020, la población era de 65,737. Su sede de condado es Quincy. Adams County es parte de la Quincy, IL-MO Micropolitan Statistical Area. Historia Adams County se formó en 1825 de Pike County. Su nombre es en honor del sexto presidente de los Estados Unidos, John Quincy Adams. Geografía De acuerdo con el U.S. Census Bureau, el condado tiene una superficie total de, de la cual es tierra y (1.9%) es agua. Condados adyacentes Hancock County - North Brown County - East Schuyler County - East Pike County - South Marion County, Missouri - West Lewis County, Missouri - Major Highways Interstate US Route 172 Route 24 Route USA Route 36 Illinois Route 57 Illinois Route 61 Route Illinois Route 94 Illinois Route Illinois Route 104 Route Illinois Route 336 Gran área protegida del Refugiado Nacional en los años recientes del clima del río Wildlife