According to the United States Census Bureau, the city has a total area of 5.28 square miles (13.68 km2), of which 5.23 square miles (13.55 km2) is land and 0.05 square miles (0.13 km2) is water.[7]
As of the census[9] of 2010, there were 2,910 people, 1,188 households, and 765 families residing in the city. The population density was 556.4 inhabitants per square mile (214.8/km2). There were 1,293 housing units at an average density of 247.2 per square mile (95.4/km2). The racial makeup of the city was 94.7% White, 0.5% African American, 0.9% Native American, 0.6% Asian, 1.5% from other races, and 1.8% from two or more races. Hispanic or Latino of any race were 6.2% of the population.
There were 1,188 households, of which 31.7% had children under the age of 18 living with them, 46.0% were married couples living together, 13.7% had a female householder with no husband present, 4.6% had a male householder with no wife present, and 35.6% were non-families. 30.6% of all households were made up of individuals, and 14.9% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.88.
The median age in the city was 39.2 years. 23.9% of residents were under the age of 18; 8.9% were between the ages of 18 and 24; 25.2% were from 25 to 44; 26.7% were from 45 to 64; and 15.2% were 65 years of age or older. The gender makeup of the city was 47.5% male and 52.5% female.
Ithaca has four parks within the city limits. These include the Woodland Park, Atkinson Park, McNabb Park, and the Ithaca Dog Park. Woodland park is a large park for children, including a playscape and much playground equipment like slides and swings. The park also has a large sledding hill and an ice skating rink. Inside the Woodland park to the North end site the Ithaca Dog park which was started and finished in the summer of 2012. Atkinson Park is much quieter and is a senior favorite as it is very close to the community Senior Center and senior housing. McNabb Park can be found in the South of the town and is home to many events throughout the year, including the Gratiot Agricultural Society Expo and AYSO soccer games. McNabb park also has several biking and hiking paths to enjoy.
Schools
Ithaca has one unified public school system, which is spread out over three buildings (covering the communities of Ithaca, Sumner, North Star and the surrounding townships). The school mascot is Jack, a yellow jacket. The high school has tennis facilities which host matches with area teams. The school's football and soccer stadium was recently renovated with funding from both public and private donors. The stadium was completed over the course of the summer of 2012 and features renovated concessions and bathroom facilities, as well as renovated seating and a new concourse.
Since 1998 there has been a student exchange program with a German school, Goethe-Gymnasium Ludwigslust. Every year, a small group of students and a chaperone travel to Germany for two weeks to experience German life with their host family. They, in turn, host a German student for two weeks later in the school year.
Along with the Native Americans, the first recorded settler in Ithaca was James J. Bush from Howell, Michigan in 1850. John Jeffery, from New York State, bought land in 1853, and permanently relocated on the land in 1855. He platted the area in 1856, assisted by Sidney S. Hastings, calling it Gratiot Center and laying out streets, lots, blocks, and even alleys. Gratiot Center was the name of its first post office, granted on November 16, 1855 with John Knight as the first postmaster. In 1856 the site was named as the county seat of Gratiot County. The settlement's name was changed on April 13, 1857 to Ithaca, after Ithaca, New York. Ithaca was incorporated as a village in 1869 and became a city in 1961.