The Marengo-Union Elementary School District 165 district serves all or some of: Marengo and Union. Marengo-Union Elementary School District 165 currently has 17 single family homes for sale with an average list price of $362,105.88, 1 townhouse for sale with a list price of $299,900, and 8 lots for sale with an average list price of $157,875 that attend the district. The average annual property tax for Marengo-Union Elementary School District 165 is $4,373.61.