IRON MOUNTAIN — Property tax rates in 2025 are mostly unchanged in Dickinson County, except for townships in the North Dickinson County School District where voters in August 2024 approved a sinking fund levy of up to 1 mill, or $1 per $1,000 of taxable value. The new North Dickinson levy raises the total school debt/extra-voted millage in the district to 3 mills, up from 2 mills in 2024, according to the 2025 Apportionment Report released in October by Equalization Director Matthew Baumgartner. The sinking fund is for infrastructure needs, including buses. Property owners in Breen ...