Union first appeared in the 1850 U.S. Census as "Unionville", with a recorded total population of 554.
2020 census As of the
2020 census, Union had a population of 8,174, a median age of 42.0 years, 24.0% of residents under the age of 18, 20.5% of residents age 65 or older, 81.9 males per 100 females overall, and 77.4 males per 100 females age 18 and over. 97.7% of residents lived in urban areas, while 2.3% lived in rural areas. There were 3,568 households in Union, of which 29.7% had children under the age of 18 living in them, 27.9% were married-couple households, 20.5% were households with a male householder and no spouse or partner present, and 45.6% were households with a female householder and no spouse or partner present. About 37.3% of all households were made up of individuals and 16.9% had someone living alone who was 65 years of age or older. There were 4,192 housing units, of which 14.9% were vacant; the homeowner vacancy rate was 3.3% and the rental vacancy rate was 8.2%.
2000 census As of the
census of 2000, there were 8,793 people, 3,791 households, and 2,399 families residing in the city. The population density was . There were 4,240 housing units at an average density of . The racial makeup of the city was 56.48%
White, 42.12%
African American, 0.24%
Native American, 0.38%
Asian, 0.01%
Pacific Islander, 0.05% from
other races, and 0.73% from two or more races.
Hispanic or
Latino of any race were 0.68% of the population. There were 3,791 households, out of which 25.5% had children under the age of 18 living with them, 38.5% were
married couples living together, 21.3% had a female householder with no husband present, and 36.7% were non-families. 33.7% of all households were made up of individuals, and 16.5% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.91. In the city, the population was spread out, with 22.9% under the age of 18, 8.3% from 18 to 24, 25.6% from 25 to 44, 23.1% from 45 to 64, and 20.0% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 79.5 males. For every 100 females age 18 and over, there were 74.3 males. The median income for a household in the city was $26,110, and the median income for a family was $34,714. Males had a median income of $29,071 versus $19,966 for females. The
per capita income for the city was $16,175. About 17.6% of families and 20.8% of the population were below the
poverty line, including 29.1% of those under age 18 and 15.3% of those age 65 or over. ==Arts and Culture==