Portland is a city located in Ionia County, Michigan. As of the 2000 census, the city had a total population of 3,789. The city is situated in the south central portion of Portland Township, but is politically independent.

Geography
According to the United States Census Bureau, the city has a total area of 6.5 km² (2.5 mi²). 6.2 km² (2.4 mi²) of it is land and 0.3 km² (0.1 mi²) of it is water. The total area is 4.76% water.

Demographics
As of the census2 of 2000, there are 3,789 people, 1,507 households, and 1,054 families residing in the city. The population density is 609.6/km² (1,577.7/mi²). There are 1,574 housing units at an average density of 253.2/km² (655.4/mi²). The racial makeup of the city is 97.68% White, 0.50% African American, 0.24% Native American, 0.18% Asian, 0.00% Pacific Islander, 0.34% from other races, and 1.06% from two or more races. 1.32% of the population are Hispanic or Latino of any race.