Allen County is the name of several counties in the United States:
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Allen County, Indiana
Allen County is a county in the U.S. state of Indiana. As of the 2020 Census, the population was 385,410, making it the third-most populous county in Indiana. The county seat and largest city is Fort Wayne, the second largest city in Indiana. ...
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Allen County, Kansas
Allen County (county code AL) is a county located in the southeast portion of the U.S. state of Kansas. It is 504 square miles, or 322,560 acres in size. As of the 2020 census, the population was 12,526. Its county seat and most populous city ...
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Allen County, Kentucky
Allen County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 20,588. Its county seat is Scottsville. The county is named for Colonel John Allen, a state senator and soldier who was killed leading ...
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Allen County, Ohio
Allen County is a county located in the northwestern part of the U.S. state of Ohio. The county seat is Lima. The county was created in 1820 and organized in 1831. The county is named in honor of Colonel John Allen, who was killed leading his ...
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Allen Parish, Louisiana
Allen Parish (french: Paroisse d'Allen) is a parish located in the U.S. state of Louisiana. As of the 2010 census, the population was 25,764. The parish seat is Oberlin and the largest city is Oakdale. Allen Parish is in southwestern Louisia ...
{{geodis, uscounty