to the Köppen Climate Classification system, Osceola has a hot-summer humid continental climate, abbreviated "Dfa" on climate maps. Demographics 2010 census At the 2010 census there were 4,929 people, 1,974 households, and 1,208 families living in the city. The population density was . There were 2,184 housing units at an average density of . The racial makup of the city was 91.0% White, 0.6% African American, 0.4% Native American, 0.6% Asian, 0.1% Pacific Islander, 6.2% from other races, and 1.2% from two or more races. Hispanic or Latino people of any race were 17.6%. Of the 1,974 households 32.3% had children under the age of 18 living with them, 45.4% were married couples living together, 11.5% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 38.8% were non-families. 32.8% of households were one person and 15.8% were one person aged 65 or older. The average household size was 2.43 and the average family size was 3.10. The median age was 36.8 years. 26.1% of residents were under the age of 18; 9.3% were between the ages of 18 and 24; 23.5% were from 25 to 44; 23.8% were from 45 to 64; and 17.3% were 65 or older. The gender makeup of the city was 48.5% male and 51.5% female. 2000 census As of the census of 2000, there were 4,659 people, 1,945 households, and 1,229 families living in the city. The population density was . There were 2,118 housing units at an average density of . The racial makup of the city was 95.73% White, 0.11% African American, 0.19% Native American, 0.58% Asian, 0.06% Pacific Islander, 2.75% from other races, and 0.58% from two or more races. Hispanic or Latino people of any race were 6.25% of the population. Of the 1,945 households 29.8% had children under the age of 18 living with them, 49.7% were married couples living together, 10.1% had a female householder with no husband present, and 36.8% were non-families. 31.7% of households were one person and 17.4% were one person aged 65 or older. The average household size was 2.36 and the average family size was 2.98. The age distribution was25.6% under the age of 18, 8.5% from 18 to 24, 25.6% from 25 to 44, 21.4% from 45 to 64, and 18.8% 65 or older. The median age was 38 years. For every 100 females,