Income Tax

The City of Sidney enacted a municipal income tax in 1957. The tax is applicable to all residents of the city as well as all non-residents working within the city and all businesses located or performing services here. The Income Tax Division is responsible for administering the Income Tax Ordinance.

2020 Tax Return Filing Deadline has been extended to Monday, May 17, 2021.


The income tax rate through December 31, 2019, is 1.75%.

The income tax rate starting January 1, 2020, is 1.65%.

Mandatory Filing

Every Sidney resident 18 years of age and older must file a Sidney income tax return, even if Sidney income tax is fully withheld.

Annual Interest Rate for Late Payment Calculation

View the Annual Interest Rates (PDF) for the annual interest rates for late payments.