As of the census of 2000, there were 1,721 people, 750 households, and 527 families residing in Pine Island Center. The population density was 400.4 people per square mile. There were 953 housing units at an average density of 221.7/sq mi (85.6/km²). The racial makeup of the Pine Island Center was 96.75% White, 1.16% Native American, 0.23% Asian, 1.16% from other races, and 0.70% from two or more races. Hispanic or Latino of any race were 2.44% of the population.
There were 750 households out of which 23.3% had children under the age of 18 living with them, 57.1% were married couples living together, 9.2% had a female householder with no husband present, and 29.7% were non-families. 23.7% of all households were made up of individuals and 10.0% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.67.
In 2000 the population was spread out with 20.3% under the age of 18, 5.3% from 18 to 24, 23.0% from 25 to 44, 29.1% from 45 to 64, and 22.3% who were 65 years of age or older. The median age was 46 years. For every 100 females there were 103.7 males. For every 100 females age 18 and over, there were 101.0 males.
The median income for a household was $37,011, and the median income for a family was $46,212. Males had a median income of $26,587 versus $30,357 for females. The per capita income was $19,632. About 1.9% of families and 9.6% of the population were below the poverty line, including none of those under age 18 and 19.0% of those age 65 or over. Credit Wikipedia