Demographics of Rio de Janeiro
Rio de Janeiro City is home to more than 6 million people, accounting for about 35% of the population of Rio de Janeiro State. Portuguese remains the most widely spoken language and Rio de Janeiro is the second city in the Portuguese speaking world.
Rio, Wisconsin
As of the census of 2000, there were 938 people, 379 households, and 258 families residing in the village. The population density was 751.4 people per square mile (289.7/km²). There were 401 housing units at an average density of 321.2 per square mile (123.9/km²). The racial makeup of the village was 98.08% White, 0.11% African American, 0.21% Native American, 0.75% from other races, and 0.85% from two or more races. Hispanic or Latino of any race were 1.71% of the population.