The City of Onslow, Iowa

Est. 1871


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Welcome to the City of Onslow's home page. Look around and get to know us. Onslow is a small town with a population of about 217. It is located at the junction of highway 136 and county road E29. This places the town about 18 miles east of the city of Anamosa which is the Jones county seat. The city of Onslow is the only one in the USA and only one of Three in the world. Can you guess where the others are located? See the History page to the answer.
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