Ii, Finland

Ii
Ijo
Municipality
Iin kunta
Ijo kommun
Roadsign marking the entrance to Ii (in uppercase)
Location of Ii in Finland
Coordinates: 65°19′N 025°22′E / 65.317°N 25.367°E / 65.317; 25.367
Country Finland
RegionNorth Ostrobothnia
Sub-regionOulunkaari
Charter1445
Government
  Municipal managerAri Alatossava
Area
 (2018-01-01)
  Total
2,872.44 km2 (1,109.06 sq mi)
  Land1,615.71 km2 (623.83 sq mi)
  Water1,256.69 km2 (485.21 sq mi)
  Rank42nd largest in Finland
Population
 (2025-03-31)
  Total
9,789
  Rank98th largest in Finland
  Density6.06/km2 (15.7/sq mi)
Population by native language
  Finnish98.8% (official)
  Swedish0.2%
  Others1%
Population by age
  0 to 1422.5%
  15 to 6456.2%
  65 or older21.3%
Time zoneUTC+02:00 (EET)
  Summer (DST)UTC+03:00 (EEST)
Websitewww.ii.fi/en

Ii (Finnish pronunciation: []; Swedish: Ijo) is a municipality of Finland. It is situated by the Bothnian Bay, at the mouth of river Iijoki, and it is part of the Northern Ostrobothnia region. The municipality has a population of 9,789 (31 March 2025) and covers an area of 2,872.44 km2 (1,109.06 sq mi) of which 1,256.69 km2 (485.21 sq mi) is water. The population density is 6.06/km2 (15.7/sq mi).

The municipality is unilingually Finnish.

Ii merged with Kuivaniemi on 1 January 2007. The new municipality retained the name Ii, but adopted the coat of arms of Kuivaniemi.

Beginning in 2008, Ii is home to the ART Ii Biennale of Northern Environmental and Sculpture Art, an international art fair.

The city has ambition to become the first zero waste town in the world, and its municipal manager claims that it does not use fossil fuels for energy.