Hubbard is located at . It is completely surrounded by Hubbard Township. According to the United States Census Bureau, the city has a total area of, of which is land and is water.
As of the census of 2010, there were 7,874 people, 3,442 households, and 2,185 families living in the city. The population density was. There were 3,701 housing units at an average density of. The racial makeup of the city was 96.5% White, 1.5% African American, 0.1% Native American, 0.3% Asian, 0.1% Pacific Islander, 0.3% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 1.3% of the population. There were 3,442 households, of which 26.7% had children under the age of 18 living with them, 46.7% were married couplesliving together, 12.1% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 36.5% were non-families. 32.6% of all households were made up of individuals, and 15.2% 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 2.90. The median age in the city was 43.9 years. 20.3% of residents were under the age of 18; 8.7% were between the ages of 18 and 24; 22.3% were from 25 to 44; 29.6% were from 45 to 64; and 19.1% were 65 years of age or older. The gender makeup of the city was 47.6% male and 52.4% female.
2000 census
As of the census of 2000, there were 8,284 people, 3,456 households, and 2,322 families living in the city. The population density was 2,402.3 people per square mile. There were 3,666 housing units at an average density of 1,063.1 per square mile. The racial makeup of the city was 98.08% White, 0.92% African American, 0.11% Native American, 0.14% Asian, 0.01% Pacific Islander, 0.14% from other races, and 0.59% from two or more races. Hispanic or Latino of any race were 0.46% of the population. There were 3,457 households, out of which 28.0% had children under the age of 18 living with them, 53.7% were married couples living together, 10.2% had a female householder with no husband present, and 32.8% were non-families. 30.0% of all households were made up of individuals, and 15.1% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.99. In the city, the population was spread out, with 23.2% under the age of 18, 7.6% from 18 to 24, 26.2% from 25 to 44, 24.7% from 45 to 64, and 18.3% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 89.7 males. For every 100 females age 18 and over, there were 85.1 males. The median income for a household in the city was $34,657, and the median income for a family was $42,077. Males had a median income of $34,572 versus $25,052 for females. The per capita income for the city was $19,838. About 5.3% of families and 8.6% of the population were below the poverty line, including 15.4% of those under age 18 and 4.8% of those age 65 or over.
The city is served by several AM radio stations, such as WLOA , WPIC , WKBN , and by several FM radio stations such as WYFM/"Y-103" , WLLF/"The River" , WYLE/"Willie 95.1" , WMXY/"Mix 98.9" and WWIZ/"Z-104"
