About Us


We are located in Belvidere which is the county seat of Boone County Illinois.  Boone County was established in 1837 and as of the 2010 census, has a population of approximately 54,165 encompassing approximately 282.02 square miles.  The county is divided into nine townships, the largest of which in terms of population and housing units, is Belvidere Township.  Belvidere Township was first settled in 1849 and as of the 2010 census has a population of 30,109.

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Mission Statement

Our mission is to assess property within Belvidere Township in an accurate, fair and impartial manner and carryout all related duties as required by law to serve the needs of all residents in the township.  The assessor and staff will courteously and promptly answer any questions or concerns you may have related to your property assessments.  The Belvidere Township Assessor’s office is here to serve the needs of all its residents, so feel free to stop by or call our office at any time.

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